1.
A Study On The Chemotherapy And Taxonomy Of Mange Mites In Ovine And Its Effect On Different Blood Parameters
by Rafique Rana, M | Dr. Muhammad Afzal | Dr. Mubasher Saeed Mian | Prof. Dr. SAghir | Faculty of Veterinary Sciences.
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Publisher: 1993Dissertation note: A study was carried out to find out the taxonomy, chemotherapy of mange mites in sheep and its effect on different blood parameters. A total of 30 flocks comprising of fifteen hundred sheep of different age and sexes were examined in the city and villages around Lahore. Out of above mentioned animals 200 suspected sheep were thoroughly examined and 30 (15%) were found positive for mange mites infestation. Species of three genera namely Sarcoptes, Psoroptes and Chorioptes were found infesting these animals.
The average number of mites recovered from the species of each genera were recorded as 851, 825 and 815 for Psoroptes, Sarcoptes and Chorioptes respectively. For the identification of different species of mange mites microscopic examination was carried out and mites were first seen under low power and then high power of magnification. The slides were mounted with mites and then examined to study their morphological characteristics.
The three genera identified were Sarcoptes, Psoroptes and Chorioptes in sheep.
Chemotherapeutic trials were carried out in suspected sheep by using two concentrations of neguvon solution i.e. 0.10% and 0.15% at ten days intervals. For this purpose sheep were divided into three groups. Group A was treated with 0.10% solution of neguvon, group B with 0.15% solution of neguvon and group C was kept as untreated control group. The data obtained on reduction of mites due to acaricide application were subjected to statistical analysis by applying completely randomized design and results were recorded. It was noticed that 0.15% neguvon was highly effective against mange mites infestation when it was replied twice after ten days interval.
The effect of mange mites on different blood parameters was also recorded. For this purpose sheep were divided into three groups. Group I comprised of clinically infested sheep, group II subclinically infested sheep and group C included healthy sheep which was kept as control for the comparison. The effect of mange mites on different blood parameters of two infested groups of sheep i.e. I and II was recorded before and after two applications of 0.10% and 0.15% neguvon solution at ten days interval and results were compared with group C for comparison.
The findings of this study indicated that the infestation of mange mites is a quite common problem in sheep population of this area. The sheep suffering from mange mites exhibit poor feed intake, severe irritation, scratching, bleeding, loss of wool, low body growth, reduced production and damaged skin. Such infested sheep are also susceptible to various viral and bacterial diseases which makes sheep production uneconomical and put extra burden on the sheep breeders.
Keeping all this in view suitable and prompt measures should be taken for early diagnosis and treatment of the infested animals. This will result not only for the control of the disease, but also help to improve the economical condition of the owners. It will also increase the gross national product of Pakistan.
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2.
Identification And Chemotherapy Of Ectoparasites Of Camels (Camel Us Dromedarius) In Dera Ghazi Khan
by Muhammad Iqbal | Prof. Dr. H. A. Hashmi | Dr. Kamran Ashraf | Dr. Syed | Faculty of Veterinary Sciences.
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Publisher: 2005Dissertation note: The present project has been designed for identification and chemotherapy of
ecto-parasites of camels (Camelus dromedarius) from different areas of Dera-Ghazi-Khan. For this purpose 300 camels were examined during the period October to November 2004. Out of 300 camels 109(36.3%) were found infested with ecto-parasites. Two types of ectoparasites were found to be active during those days. Sixty three camels were infested with ticks. After collection these ticks were mounted for identification, with the help of their morphological characters. The only tick found to be identified was Hyalomma dromedarii and the tick infestation was found to be 21% in those areas during October-November 2004.
Similarly, 85 suspected camels were examined by skin scraping in the District Veterinary Diagnostic Laboratory, Dera-Ghazi-Khan, for identification of mites 46 camels weie found to be infested with mange mites and the mange mites infestation was 15.3%. The species of mites identified was Sarcoptes scabiei var. cameli.
For chemotherapeutic trails 60 positive ecto-parasitic camels were divided into 3 groups i.e. A, B and C, 20 camels in each group. For further procedures these groups were divided into sub-groups i.e. A (Al + A2), B (Bi + B2) and C (Cl + C2) where each sub-group contained 10 animals (camels). Al, Bi and Cl were infested with mites and A2, B2 and C2 with ticks. The group A was treated with Ivermectin (Baymec; Bayer) at dose rate of 1 m1150 kg body weight sub/cut. Similarly the group B was treated with Neguvon (0.15%) solution with spray machine. Where the group C acted as infected, non-medicated control group.
The efficacy of Baymec on 7th day was 75% and on 14th day was 80%. But the efficacy of Neguvon (0.15% solution) on 7th day was 65% and on 14th day was 75%. The camels of group C were not treated and acted as control.
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3.
Occurrence And Importance Of Enteric Protozoan Infections On Different Goat Farms In District Swat
by Farooq Shah | Dr. Kamran Ashraf | Dr. Muhammad | Prof. Dr. Haji Ahmed hashmi | Faculty of Veterinary Sciences.
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Publisher: 2005Dissertation note: A study was conducted to ascertain the prevalence and importance of enteric protozoa in goat population. A total of 225 faecal samples were collected from fifteen different goat farms in district Swat. These samples were collected from three age groups i.e Group I (day 1 to 6 months), Group II (7 - 12 months) and Group III (over one year). These samples were processed by Direct Smear method, Sheather's Flotation and Zinc Sulphate Flotation technique for the detection of Giardia, Cryptosporidium and Eimeria cysts and oocysts. Overall prevalence of Eimeria 37.77%, Giardia 12.44% and Cryptosporidium 6.22% was recorded. Age related prevalence showed highest the number of Eimeria 53.33%, Giardia 18.66% and Cryptosporidium 8% in Group I which comprised animals of I day to 6 month. Among 225 faecal samples 73, were collected from diarrhoeic and 152 from non diarrhoeic animals. The infection rates were higher in diarrhoeic animals, Eimeria 45.22%, Giardia 21.9% and Cryptosporidium 10.99% than non diarrhoeic animal. 34.6% faecal samples were found positive for other parasites such as Haemonchus 10.22%, Trichostrongylus 8%, Trichuris 20%, Strongyloids 6.6%. A large number of faecal samples (58.66%) were found positive for parasitic infections. Results of this study indicated widespread prevalence of' parasitic diseases in goat population and especially Eimeria and Giardia are the predominant protozoan parasites
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4.
Comparison Of Different Diagnostic Techniques Against Fasciolosis In Buffaloes
by Muhammad Mutee-us-Salam | Prof. Dr. H. A. Hashmi | Dr. Azhar Maqbool | Prof. Dr. Zafar | Faculty of Veterinary Sciences.
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; Nature of contents: ; Literary form: Publisher: 2005Dissertation note: The present study as conducted to find out the most reliable technique for the diagnosis of fasciolosis in buffaloes and to calculate economic losses due to fasciolosis. A total 0 F 1 00 faecal samples were examined by Director Smear, Zinc-sulfate flotation and Sedimentation techniques. Prevalence was 2, 4 and 5 percent respectively. Although they are very cheap and simple techniques but detection of the disease in early stages is not possible. Where as Agar Gel Precipitation technique gave positive results as 8% is laborious technique. But the diagnosis during the early stages is possible. Prevalence of Fasciolosis in Young animals (below 2 years) was found 0% Direct Smear Method. 3.33% by Zinc sulfate Flotation Technique. 6.67° by Sedimentation Technique and 6.67% by using Agar Gel Precipitation technique. In Adult (above 2 years) the Prevalence was found 2.85% by Direct Smear Method, 4.28% by Zinc sulfate Flotation Technique. 4.28% by Sedimentation technique and 8.57% by using Agar Gel Precipitation Technique. In Males the Prevalence was found 0% by Direct Smear Method. 0% by Zinc sulfate Flotation Technique, 6.26% by Sedimentation Technique and 6.26% by using Agar Gel Precipitation Technique. In Females the Prevalence was Found 2.38% by Direct Smear Method. 4.76% by Zinc sulfate Flotation Technique. 4.76% , by Sedimentation Technique and 8.33% by using Agar ( el Precipitation Technique. In Neeli Ravi the Prevalence was found 2.35% by direct Smear Method. 4.76°/o by Zinc sulfate Flotation Technique. 4.76°/o by Sedimentation technique and 8.23% by using Agar Gel Precipitation Technique. In Kundi the Prevalence was found 0% by direct Smear Method. 0° b Zinc sulfate Flotation Technique. 6.66% by Sedimentation Technique and 6.66% by using Agar Gel Precipitation Technique. From the results ii appears that AGPT Sedimentation technique, Zinc-sulfate flotation and Direct Smear Method can be ranked as No. I. 2. 3. and 4 respectively in terms of their efficacy. Total economic losses due to fasciolosis during three months (Oct.-Dec.2004) were very high i.e. Rs.1016400.
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5.
Seroprevalence Of Ftoxoplasma Gondii Infection In Sheep And Goats
by Sher Hayat Khan | Prf.Dr. Azhar Maqbool | Dr. Muhammad | Prof. Dr. Haji Ahmad Hashmi | Faculty of Veterinary Sciences.
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Publisher: 2005Dissertation note: Keeping in view the zoonotic importance of Toxoplasmosis the present study was carried out to determine the seroprevalence of Toxoplasma gondii infection in sheep and goats using commercially available kit "Toxopalasmosis Latex" based on the principal of Latex agglutination. . For this purpose 100 blood samples (50 sheep & 50 goats) were collected randomly from slaughter house of Lahore and local sheep & goat forms, the serum was separated and analyzed for anti Toxoplasma antibodies. The animals were divided in three groups, Group I included animals below one year, Group II 1-4 years and Group III included animals aged 4 years and above. The overall 8% and 6% seroprevalence were recorded in sheep and goats respectively. Age titer relationship in sheep showed that Group III had (12.5%), Group 11(7.6 %) and Group I had no positive cases in sheep examined. In goats Group III had (10 %), Group II (5.7%) and no seropositive cases in Group I could be recorded. These results indicate that the infection was higher in older animal than young ones, Breed wise seroprevalence indicated that, Kchhi sheep 14.28%, Desi (non descript) 8.33% and no seropositive case in Lohi and Thali breeds was recorded. In goats Teddy breed had 11.11%, Desi (non descript) 5.55% while no seropositive case in Beetal goats could be recorded.
From the data analyzed it is concluded that although the seroprevalence of T gondii infection in sheep and goats is relatively low in this area as compared to the other parts of the world. Yet adequate management might be useful and essential to further minimize the infection in sheep and goats herds. Consequently, preventive measures could further reduce the exposure of toxoplasmosis in the human population.
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6.
Development And Standardization Of Agar Gel Diffusion Test For Diagnosis Of Gigantocotyle Explanatum In Buffaloes
by Shahzad Sharif | Prof. Dr. H.A. Hashmi | Dr. Azhar Maqbool | Prof. Dr | Faculty of Veterinary Sciences.
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; Nature of contents: ; Literary form: Publisher: 2005Dissertation note: Gigantocotyle explanaturn is one of the most prevalent paramphistome among the flukes which parasitize cattle and buffaloes. Diagnosis of parasitic diseases can be performed by coprological and immunological techniques. In the present study standardization of agar gel diffusion test (AGDT) was carried out. The soluble antigen of Gigantoco1'/e explaflatuni was prepared after homogenization of adult flukes in normi' saline and subsequent collection of supernatant after cenirifugation. 1-lyperimmunc senim against the antigen was rflise(l in rabbits. Agar gel plates were prepared and antigen was standardized against known positive serum. The faecal and blood samples were collected from 200 suspected buffaloes from two abattoirs of the Lahore city. AGDT was performed for serological identification of the samples and coprological examination for detection of ova. The recovery of flukes from the liver, bile duct and gall bladder of thc same animals was also carried out. 'l'he efficacy of serological and coprological examination for the diagnosis of G. explanatum was compared with that of direct recovery of parasite from liver of slaughtered animals.
Out of the 200 buffaloes 51 (25.5 percent) harhoured (7, explanatum in their livers, bile duct and gall bladder. The serological examination of the same animals showed that antibodies against (7. explanalum were detectable in 29 (56.85 percent) buffaloes by AGDT while the coprological examination of same animals revealed that ova of (i. explanatum were present in 23 (45.1 percent) out of the 51 animals. From these findings it can be inferred that efficacy of AGDT is superior to faecal examination and could become a useful technique for herd diagnosis of G. explandatum in buffaloes under field conditions.
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7.
Application Of Different Control Measures Against Argas Persicus
by Qaiser Siddique | Dr. Kamran Ashraf | Dr. Asim Aslam | Prof. Dr. H.A. Hashmi | Faculty of Veterinary Sciences.
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Publisher: 2006Dissertation note: To final out the comparative efficacy of different control measures against Argas persicus, In-Vitro and In-Vivo studies were carried out for the in-Vitro studies three thousand soft ticks Argas Persicus at different stages of their development were used in the experiment. The ticks were divided in to 5 groups A, B, C, D and E having 600 ticks in each group. The ticks of each group (600) were further divided in to three replicates having 200 ticks in each. The ticks were maintained in small plastic boxes containing tick rearing medium at a controlled temperature of 25 Co and 60% relative humidity. The 5 treatments are applied with a small (1 liter) hand held sprayer at the rate of 20ml per box 345 cm2 surface area. The first application was made after 24 hours and repeated twice at 48 hours intervals. On day 0,3,5,7 and 10, the ticks were separated from the manure by immersing the manure in water and retrieved the ticks with the help of sieve. The ticks relating to each group were counted and the counts of each group were compared. The reduction in the counts in test groups as compared to control group A indicated the efficacy of the treatment. It was noticed by the comparative mortality of the ticks in the replicates of different groups that in mortality of ticks in Group A occurred as 6.17% in B as 67.67% in C as 70.67% , in D as 100% and in E as 71.83%. The findings of the In Vitro experiment showed that the efficacy of Tiekide was 100% and in ranking order was placed at No. 1 amongst the test groups and the difference was statistically significant (P<0.05) as compared to B, C and E groups. However the findings of Groups B, C and E were not significant amongst each other (P>0.05). For the In-Vivo studies, the experiment was conducted on a layer farm infested with Argus persicus. A total of 100 layers infested with Argas persicus were reared under experimental conditions on particular farm. One hundred infested birds were divided into 5 groups i.e A,B,C,D and E, each group consisting of 20 birds. The ticks of all members of the groups were counted on day 0,3,5,7 and 10. Group A acted as infested and non treated, B was treated by application of EM1 under the infested wings, C was applied EM5, D was applied Tiekide (Homoeopathic formula) under the wings the medicine was also orally administered @ 2 drops in 1 ml water and members of Group E were applied 1% solution of Ivomec (Ivermectin). The results indicated that the reduction in the mean tick counts was 95.74% in Group D which was placed at No. I, in descending order the mean tick counts reduced by 70.97% in Group E, 68.59% in Group C, 67.63% in Group B and only 1.93% in control Group A. The Tiekide was claimed to be a drug of choice.
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8.
A Study On The Occurrence Of Enteric Protozoa Of Pet Dogs
by Dr. Khalid Qasir | Dr. Kamran Ashraf | Dr. Asim Khalid | Prof. Dr. H.A. Hashmi | Faculty of Veterinary Sciences.
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Publisher: 2004Dissertation note: This study was designed to record the occurrence of enteric protozoan parasites of pet dogs. A total of 150 faecal samples of pet dogs of different age, breed and sex were collected. These dogs were equally divided into three age groups i.e. group A (< 6 months of age), group B (> 6 months and < 1 year of age) and group C (> 1 year of age). These faecal samples were examined by direct smear method, Sheather's sugar flotation technique and zinc sulfate flotation technique. Information regarding the clinical status of animals, age, breed and faecal consistency were also recorded. The overall prevalence of enteric protozoan parasites was 35.3 percent. Prevalence of various species belonging to Genera Giardia, Isospora, Cryptosporidium Entamoeba and Balantidium was 18.66, 14.66, 5.33, 1.33 and 1.33 percent. Prevalence of enteric protozoan was higher (44%) in pet dogs of group A, followed by 36.0 and 26.0 percent in group B and group C, respectively. The prevalence of gastro-intestinal protozoan in domestic dogs passing normal faeces was 33.65% and passing abnormal faeces was 39.13%.
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9.
Different Control Measures Againts Musca Domestica Associated With Poultry Farms
by Muhammad Shoaib | Dr. Kamran Ashraf | Dr. Azhar Maqbool | Prof. Dr | Faculty of Veterinary Sciences.
Material type: ; Format:
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Publisher: 2007Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0959,T] (1).
10.
Molecular Detection And Speciation Of The Canme Piropiasm
by Isma Nazli Bashir | Prof. Dr.Zrafar Iqbal Ch | Dr.Peter J.Irwin | Prof. Dr. Azhar Maqbool | Faculty of Veterinary Sciences.
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Publisher: 2008Dissertation note: An epidemiological study of babesiosis in dogs was conducted at Pet center, University of Veterinary and Animal Sciences, Lahore, for one year and information on age, sex and breed was gathered. It was found that from a total number of 6204, dogs up to two years of age were more susceptible than other age groups (2-4, 4-6 and above 6 years).The data regarding genders revealed that males were more prone to the disease than female dogs. As far as the breeds were concerned, crossbred dogs were more susceptible followed by Pointers, Alsatians, German shepherds and Bull terriors.Hot and humid months (June to September) have greater impact on the occurrence of disease. The study regarding identification of ticks revealed that Rhiphicephalus sanguinus is the predominant vector of the disease in Pakistan.
Molecular studies were conducted to characterize and identify the species responsible for canine babesiosis in Pakistan. In this regard, a nested polymerase chain reaction-Restriction fragment length polymorphism (PCR-RFLP) technique was employed on different specimens (Blood, Body tissues and Ticks). For this purpose blood samples were collected from twenty four chronically infected dogs and applied on the Flinders Technologies Associates (FTA) cards for transportation to Australia. Different body tissues (Liver, Spleen, Kidney, Intestine, Bone marrow and Pancreas) were procured after euthanizing the two dogs and DNA was extracted, for further studies. Similarly, the eighty eight ticks were also collected from the infested dogs in the 70% ethanol for transportation to Australia. A nested PCR-RFLP assay was used for the detection and differentiation of Piroplasm species on the basis of the 1 8S ribosomal RNA gene. The assay potentially amplified and identified Babesia gibsoni as the main canine piroplasm. Similar assays on the DNA extracted from body tissues and ticks revealed Babesia gibsoni as the main piroplasm. The PCR was found to have a high detection limit (equivalent to i0 dilution), when using the DNA extracted from blood applied to FTA cards, body tissues and ticks. A new technique was developed for extraction of DNA from FTA cards and tick, in this technique, instead of using the FTA specified punching machine, we used scalpel blades, and so the rest of the chemicals used are'generally and easily available. The same protocol was used for extraction of DNA from ticks, only chemicals used in different quantities with different spinning times. Both of which, resulted in cost reduction, less effort and speedy DNA extraction. The technique reported here has the potential to be standardized for routine DNA extractions from FTA cards and ticks.
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11.
Epidemiology, Molecular Diagnosis And Chemotherapy Of Giardiasis In Bovine
by Sultan Ayaz | Prf.Dr. Azhar Maqbool | Prof. Dr. Zafar Iqbal Chaudhary | Faculty of Veterinary Sciences.
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Publisher: 2009Dissertation note: Giardia is a protozoan parasite of the small intestine that causes extensive morbidity worldwide. Dairy calves can excrete high numbers of the cysts of Giardia and the disease in cattle is clinically important and can reduce the growth performance of the ruminants. Giardia is the cause of non-viral diarrhoea in humans and is responsible for epidemics in the developed and developing countries. The cyst is the infectious form, is ingested in contaminated water or food or directly from faecal-oral contact. Giardia duodenal is the only species, which is found in both humans and animals including dogs, cats, bovines, pigs, sheep and equine.
The present study was conducted to determine the prevalence in bovines at Military dairy farm, Gawala dairy colonies, the Government dairy farm and Household dairies in Lahore. The effect of season, sex, and age on infection rate and shedding of the cysts were also noted, and association of the Giardia infection with normal and abnormal stools was also studied.
Overall 2160 bovine faecal samples (720 buffaloes, 720 cattle and 720 calves) were examined during the study period from August 2007 to July 2008, amongst calves 362/720 (50.27%) were found to be positive. The highest prevalence was recorded in the Government. Dairy farm (68.33%) followed by Gawala colonies (55%), then the Military dairy farm (44.33%) and the lowest (34.44%) was recorded in Household dairies. Overall, highest (61.6%) seasonal prevalence was recorded during autumn, followed by spring (60.83%), then summer (53.4%) and the lowest
(34.1%) was recorded during winter. The highest (65%) prevalence was reported during August and the lowest (3 0%) during December.
Females were found to be more susceptible (56.74%) than males (35.1%). The prevalence was significantly higher (71.52%) in younger calves than the adults
(36.11%) (P<0.05).
Overall prevalence in cattle was 28.05%. The highest (41.67%) prevalence was recorded at the Government dairy farm, followed by Gawala colonies (32.72%), then the Military dairy farm (22.72%) and the lowest (15%) was recorded in Household dairies. The highest (35%) prevalence was found during August and the lowest (21%) during January. A significant difference (P<0.05) was noted. Females were found to be more susceptible (29.21%) than males (18.75%). The young calves had significantly higher (3 8.88%) prevalence as compared to the adults (24.44%).
Similarly, the overall prevalence in buffaloes was found to be 20.11% percent. The highest (40.55 %), prevalence was recorded at the Government Dairy Farm, followed by Gawala colonies (30%) then Military Dairy Farm (21.11%) and the lowest prevalence i.e. 12.77% was reported in Household Dairies. A non significant difference was recorded P>0.05). The highest (46.66 %) prevalence was recorded during August, while, the lowest (6.66%) during November and December. Females were found to be more susceptible than males. Where as the prevalence in a younger buffalo was significantly higher as compared to the adults.
Comparison of direct microscopic examination and PCR based methods was made at the Government dairy Farm, Gawala colonies; Military Dairy Farm and
Household Dairies. By direct Microscopic examination prevalence was found to be 28.05% (202/720) in cattle whereas by PCR it was 31.11%. Statistically analysis showed that the prevalence by PCR was significantly (P<0.05) higher than the microscopic examination.
It was observed that the highest prevalence of Giardiasis in bovines (Calves, Cattle and buffalo) was noted during August when the average temperature was 31.48°C. However the maximum and minimum temperatures were 35.37°C and
27.6°C, relative humidity 7 1.28% and rainfall was 3.2mm. The results of therapeutic trials by using albendazole, metronidazole, and mebendazole in cattle were calculated on the basis of reduction in the cysts count in the faeces after treatment.
Efficacy of albendazole at three dose levels i.e. 1 Omg/kg.b.wt, 1 5mg/kg.b.wt, 2Omg/kg.b.wt was 86.33%, 98.5% and 100% respectively, on day 27 after treatment. Efficacy of the metronidazole at 5Omg/kg.b.wt, 1 OOmg/kg.b.wt, and 1 5Omg/kg.b.wt. Was 85.42%, 87.8% and 94.02% respectively on day 27. Efficacy of mebendazole at three dosage level i.e. 7.5rng/kg.b.wt, lOmg/kg.b.wt and 2Omg/kg.b.wt was 81.15 %, 87.32%, and 90.4% on day 27 after treatment. Among these drugs, albendazole at
1 5mg/kg.body.weight was found to be most effective drug in the elimination Giardia infection. The significant (P<0.05) decrease in the CPG count after treatment in all the three groups and dose levels was noted. A significant difference (P<0.05) was observed in the level of leukocytes and of eosinophisl of infected cattle at day 06 and day 13 post inoculation. The leukocytes/lymphocytes count of Giardia infected cattle was 58.09%. Whereas, eosinophils constituted of leukocytes 9.69%. The total proteins of the sample were studied by sodium doedocyl sulphate polyacrylamide gel ELECTROPHORESIS (SDS PAGE). The result indicated that 8 diffeent molecular weight peptide badns were identified with size ranges from 20 to 70 KDa and common bands reported at 20, 24 and 35 K Da
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12.
Epidemiology And Controls Of Coccidiosis In Cattle
by Razia Sultana | Prof. Dr. Azhar Maqbool | Prof.Dr.MAnso | Prof.Dr.Zafar Iqbal Ch.
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Publisher: 2009Dissertation note: Field study was conducted from September, 2007 to August, 2008 and a total of 2700 rectal faecal samples were collected from cattle farms of 3 categories i.e. Government Dairy Farm, Military Dairy Farm and Peri Urban Dairy Farms (Gawala Colonies) Lahore. Seventy five random samples were collected from each category of farms on monthly basis. The results of field study showed that overall prevalence of coccidiosis in cattle was 54.55%. Prevalence of coccidiosis in cattle at Military Dairy Farm Lahore was the highest (65.33%) during Autumn followed by summer (52.66%) then winter (47.66%) whereas the lowest (34.00%) during spring season. The highest (56.66%) prevalence was observed in animals between 6 & 12 month, whereas the lowest (46.33%) in animals under 6 months age. Prevalence of coccidiosis above 1 year of age was 50.66%. No coccidial oocysts was detected in calves less than 15 days old. In female animals prevalence was 51.22%.In the present study, the maximum oocyst per gram of feces (OPG) count was 65,000 whereas the minimum count was as 2000. The count was variable in different age groups and found to be decreasing in adult animals. The mean OPG in group A (under 6 month), group B (6 month to one year) and C (above one year) was 44000, 38000, and 22000, respectively. The four species of Eimeria were identified in all age groups i.e. E.bovis (29.28%) E.zuernii (26.03%) E. cylindrica (23.42%), E. ellipsoidalis (21.25%).
The results of field study showed that prevalence of coccidiosis at Government Dairy Farm, Lahore was the highest during autumn (49.33%), followed by summer (44.33%), then winter (38.33%) where as the lowest during spring (30.33%). The highest (62.66%) month wise prevalence of coccidiosis was noted during August whereas the lowest (28.00%) during April. The highest ( 45.33%) prevalence of coccidiosis was observed in animals aged between 6 to 12 months, followed by 41.35% in animals under 6 months of age whereas the lowest (36.00%) above I year. Female animals were more frequently affected (41.28%) than males (39.50%).In the present study, the maximum OPG count observed was 55,000 and the minimum count as 2500. The counts were variable in different age groups and found to be decreasing in adult animals. The mean OPG of group A, B, C was 42,000, 35,000 and 20,000 . In the present study five species of Eimeria were E.bovis. E. zuernii E. cylindrica, E. subspherica, E. ellipsoidalis.
The results of field study showed that prevalence of coccidiosis at Peri Urban Dairy Farms (Gawala colonies), Lahore was 71.55%. Month wise prevalence was the highest during August (90.66%) whereas the lowest (48%) during April. The seasonal prevalence indicated that it was the highest during autumn (84.00%), followed by summer (78.33 %), then winter (69.33%) whereas the lowest during spring (50.00%). The highest prevalence of coccidiosis (80.66%) was observed in animals under 6 months of age, whereas the lowest (62.33%) in animals above I year. Prevalence of coccidiosis in animals aged between 6months to 1 year was 71.66%. No coccidial oocysts were detected in calves less than 25 days old. Prevalence of coccidiosis was higher (74.61%) in females than in males (63.60%). In this study, the maximum OPG count observed was 65,000 and the minimum count as 2800. The counts were variable in different age groups and found to be decreasing in adult animals. The mean OPG of group A, B,C was 48,000, 38,000 and 23,000 respectively.
Age wise analysis of Eimeria species showed that above mentioned five species were found in all age groups and most predominant species was E.bovis (26.39%) followed by E. zuernii (19.87%), E. cylindrica (23.60%), E.ellipsoidalis (18.63%), whereas the lowest prevalence of E.subspherica (11.49%)was noted (Table 16). The counts were variable in different age groups and found to be decreasing in adult animals. There was inverse correlation of OPG and the age of animals.
The overall prevalence of coccidiosis was the highest during autumn (66.22%) followed by summer (59.66 %) then winter (51.77%) whereas the lowest in spring (38.22). The role of Meteorological data i.e. temperature, humidity and rain fall on the prevalence of disease was also studied. The bionomical showed that humidity and rain fall played a very important role in the causation and spread of disease and also help in the development of sporulated oocyst. Increased temperature showed higher prevalence of disease.
The results of histopatholgical studies showed that there was an increase cellular infiltration of leukocytes, cellular debris in most of intestinal portion.
Results of therapeutic trials by using toltrazuril, amprolium, sulphaquinoxaline, lasalocid are presented in table 17. The result of therapeutic trials showed that efficacy of toltrazuril was better than amprolium, sulphaquinoxaline and lasalocid. No clinical signs of disease were observed in treated animals while in diseased animals signs of disease were observed i.e. animals showed diarrhoea, loss of weight gain. From the results it was noted that efficacy of toltrazuril was better than other drugs . Statistically, there was no significant difference between efficacies of all four drugs. The efficacy of per oxygen based disinfectant was higher as compare to oocide while non- treated animals showed clinical signs of disease. Statistically, there was no significant difference between efficacies of both disinfectants
Result of chemo prophylactic products are presented in table 19. It was noted that sonicated vaccine showed high antibody titer as compare to non- sonicated vaccine.
Result of the challenge experiments revealed that the inactivated sonicated vaccines gave 100% protection to the challenge calves. Their faeces were normal and no clinical sign was recorded even 42 days post vaccination. Few remaining live oocysts were not able to produce the disease in calves.
The weight gain of treated animals was higher as compare to non-treated animals. The FCR value in treated animals was better than non treated animals
" Prevalence of coccidiosis was the highest during autumn followed by summer where as the lowest during spring. Farm wise prevalence of coccidiosis indicated that it was higher in Peri Urban Dairy Farms followed by Military Dairy farm where as the lowest at Government Dairy farm.
" Prevalence of coccidiosis was higher in calves below 9 months of age than above 9 months. All the animals examined for coccidian were naturally infected with coccidiosis. These animals were not experimental calves and prevelance of infection was based on random selection of animals. Overall Prevalence of coccidiosis was slightly higher in females than male. Species wise prevalence indicated that Eimeria bovis is more pathogenic than other species.
" Results of chemotherapeutic trials showed that among the four drugs used i.e. Toltrazuril, Amprolium, Sulfaquinoxaline and Lasalocid. Toltrazuril showed the highest efficacy followed by Amprolium, where as Lasalocid showed the lowest efficacy. No side effects of these drugs were noted when were given at their recommended dose rate and marked clinical improvement in animals was noted after treatment.
" Two disinfectants were tried. Per oxygen based disinfectant showed better results than. Oocide disinfectant.
" Histopathological studies showed inflammatory granulocytic infiltration of the mucosa and cellular debris in most of intestinal portions. There were necrosis of villi and degeneration of villi. Haemorrhages in mucosa and sub-mucosa were noted. Some of the glands in the sub-mucosa of intestine showed degeneration & necrosis.
" Indirect Haemagglutination (IHA) antibody titer was higher in calves vaccinated with inactivated sonicated vaccines as compared to the calves vaccinated with inactivated sporulated vaccine. Results of the challenge experiments revealed that the inactivated sonicated vaccines gave protection to the challenge calves. Their faeces were normal and no clinical sign of disease were observed even 42 days post vaccination.
" Weight in infected group was reduced. After treatment, high weight gain was reported in treated animals than control group.
Recommendations:
" Overcrowding should be avoided.
" Provide good hygienic and managemental conditions in farms.
" Proper drainage of rain.
" Feeders and wateres should be above the level of the ground.
" Regular use of coccidiostats is the need of the day.
" Diseased animals particularly with diarrhoea should be separated from healthy animals.
" Stocking density should be according to recommended of world Association of Parsitologists.
" Contaminated faeces should be properly disposed off.
" Grazing of animals during rainy season should be avoided.
" Animals should be provided well balanced nutritive food.
" Entry of visitors in the livestock farms should be restricted
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13.
Antigenic Relatedness Of Caecal Eimeria Species In Broilers By Sds-Page
by Muhammad Tayyub | Prof. Dr. Kamran Ashraf | Dr. Aftab | Dr. Nisar Ahmad.
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Publisher: 2011Dissertation note: Coccidiosis is caused by various species of Eimeria. Avian coccidiosis is divided in two types (intestinal and caecal). Eimeria tenella and E. necatrix cause caecal eimeriosis.E.tenella is the most pathogenic species and its infection is causing huge economic losses to poultry industry world wide. In the present study, 400 caecal samples suspected for coccidiosis were collected from two districts (Kasur and Sheikhupura). Ten samples from twenty farms of each district were collected and examined for coccidiosis and species identication. The prevalence of coccidiosis was higher (65.25%) in both districts. Coccidiosis was found more prevalent in district Kasur (66.5%) as compared to Sheikhupura (63%). Eimeria species were identified by conventional methods like Direct Microscopy, Sedimentation technique, Floatation Technique and Sporulation.. The prevalence percentage of E.tenella and E,necatrix was found 67.5% and 12.25% respectively in 400 suspected caecal samples. E.tenella was more prevalent in district Kasur (67.5%) as compared to district Sheikhupura (63%). E.necatrix was also more prevalent in district Kasur (13%) than district Sheikhupura (11.5%). Protein profiling of all E. tenella strains was performed to check antigenic related ness between different isolates of E.tenella. More tan ninety percent isolates were antigenically identical which showed that E.tenella isolates in both districts were antigenically related.
Availability: Items available for loan: UVAS Library [Call number: 1239,T] (1).
14.
Comparative Efficiency Of Routine Identification Methods With Molecular Technique (Pcr) For Detection Of Caecal Eimeria Species in Broilers
by Muhammad Yasir | Prof. Dr. Kamran Ashraf | Dr. Aftab | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
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Publisher: 2011Dissertation note: Caecl coccidiosis is caused by Eimeria tenella and E. necatrix and poultry industry is facing huge economic losses due to this infection world wide. Eimeria tenella is the most common cause of caecal coccidiosis but E. necatrix is also isolated rarely. In the present study, 400 caecal samples suspected for coccidiosis were collected from two districts (Lahore and Gujranwala). Ten samples from twenty farms of each district were collected and examined for coccidiosis and species identication. Prevalence of coccidiosis was found 68%. It was more prevalent in district Gujranwala (71.5%) as compared to Lahore (64.5%). Eimeria species were identified by conventional (Direct Microscopy, Sedimentation technique, Floatation Technique and Sporulation) and molecular technique (PCR). Polymerase chain reaction was found the most sensitive ands accurate technique for species identification as compared to all conventional techniques. The prevalence percentage of E.tenella and E,necatrix was found 68% and 12.5% respectively. E.tenella was more prevalent in district Gujranwala (71.5%) as compared to district Lahore (64.5%). E.necatrix was also more prevalent in district Gujranwala (13.5%) than district Lahore (11.5%). The difference in percent prevalence of coccidiosis and species of Eimeria may be due to difference in farm management, farming type, biosecurity measures.
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15.
Prevalence, Serodiagnosis And Zoonotic Importance Of Hydatidosis In Small Ruminants And Humans
by Hafiz Javed Iqbal | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Prof. Dr. Athar Khan.
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Publisher: 2011Dissertation note: Hydatidosis is a world-wide zoonotic parasitic disease which is caused by the larval stage of tape worm Echinococcus granulosus and E. multilocularis. It is highly endemic in some regions of the world. Keeping in view the importance of the disease, the present study was conducted to record the age, sex, species and season wise prevalence of hydatidosis in small ruminants. The study also includes comparison of the two serological tests used for the diagnosis of this disease and efficacy of mebendazole was aIso evaluated. Prevalence and organ specificity of hydatidosis was studied in 2400 sheep and 2400 goats of different age and sexes. The overall prevalence of hydatidosis in sheep and goats was 8.25 and 6.21 percent respectively. Sex wise prevalence indicated that it was 9.85 and 7.85 percent in female and male sheep respectively whereas in female and male goats it was 5.83 and 7.23 percent respectively. A reasonably higher prevalence of hydatidosis was observed in female animals as compared with males. In adult animals hydatid cysts were present in 11.38 and 7.77 percent in sheep and goatsrespectively while in lambs and kids it was 1.79 and 1.06 percent respectively. Statistically no significant difference was observed in any season through out the year in both the species. In the present study, lungs were found to be most commonly infected organ in sheep andliver in goats. Out of 198 infected sheep, 45.45 percent had cysts in lungs, 33.84 percentin liver, 10.10 percent in both liver and lungs, 2.53 percent in spleen, 2.02 percent in heart and 6.06 percent in abdomen and thoracic cavity whereas in goats organs specificity was 34.23, 40.27, 16.78, 0.67, 8.05 percent respectively for lungs, liver, lungs & liver both, spleen and abdomen and thoracic cavity. A total of 60 cysts in sheep were examined for fertility and it was found that out of 18 cysts of less than two centimeter size, maximum (50 percent) were suppurative orcalcified and minimum (16.7 percent) were fertile in nature. Of 30 cysts of 2-4 em size,
40 percent were suppurative and 40 percent were fertile and from 12 cysts of more than
four centimeter size, maximum (66.7 percent) were fertile and only 16.7 percent were
sterile in nature. In goats, of 15 cysts of less than 2cm size, maximum (46. 7percent) were
suppurative, and minimum (13.3 percent) were fertile. Of 7 cysts, belonging to the group
of more than four centimeter seize, 71.4 percent were fertile in nature and only 14.3
percent were sterile. Overall fertility rate in sheep and goats was 38.33 and 36.96 percent
respectively whereas overall sterility rate was 23.3 and 32.60 percent in sheep and goats
respectively.
In sheep, total number of protoscolices found in 23 cysts was 936 of which 72.65 percent
were fertile in nature. The mean of total proto scolices was 40.70 with standard deviation
of 23.05 whereas the mean number of viable protoscolices was 29.57 percent with a
standard deviation of 18.92. In goats, total number of protoscolices observed in 17 cysts
was 719 whereas only 52.71 percent were fertile in nature. The mean of total
protoscolices was 42.30 with a standard deviation of 17.13 whereas mean of viable
protoscolices was 22.30 with standard deviation of 17.10.
Blood samples of 40 positive and 40 negative sheep for hydatid disease were collected
from slaughter house and serum was separated. ELISA and IHA test were applied on
these samples. The sensitivity, specificity, efficacy, positive predictive value and negative
predictive value of ELISA were 92.5 percent each whereas these values for IHA were 80
percent, 97.5 percent, 88.75 percent, 96.96 percent and 82.98 percent respectively. In
goats, blood samples from 40 positive and 40 negative cases of hydatidosis were
collected from slaughter house before slaughtering and ELISA and IHA were applied on
all of these samples. The sensitivity and specificity of ELISA was 90 percent and 95
percent respectively whereas the sensitivity and specificity of IHA was 75 percent and
97.5 percent respectively.
A total of 12 i.e. 6 sheep and 6 goats (healthy) were purchased and kept at Ravi campus
Pattoki, University of Veterinary and Animal Sciences, Lahore. These were divided into
experimental (4 sheep and 4 goats) and control group (two sheep and two goats). In
experimental group, 100 eggs of Echinococcus granulosus were given orally to all
animals and then mebendazole was given to two sheep and two goats on zero day and
then after two months intervals. Blood samples were collected from all animals on zero
day, 90 days and 180th day and serum was separated. ELISA and IHA were applied to all
samples. Mebendazole was not found completely effective and ELISA detected the
infection earlier than IHA. On postmortem examination, multiple cysts were found in all
animals of group A and no cyst was found in group B.
Eighty blood samples of humans i.e. 40 positive and 40 negative for hydatidosis were
coilected, serum was separated and ELISA and IHA test were applied to all the samples.
The sensitivity and specificity of ELISA was 95 percent and 97.5 percent respectively
whereas the sensitivity and specificity of IHA was 82.5 percent and 97.5 percent
respectively.
The present study will be helpful in disseminating the informations regarding the
prevalence, zoonotic importance, effect of mebendazole in animals and the use of
immunodiagnostic tests for the diagnosis of hydatidosis in small ruminants and human
beings.
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16.
Immunoprophylaxis Of Tick Infestation In Bovine
by Zakir Ali | Prof. Dr. Azhar Maqbool | Prof. Dr | Prof.Dr. Khushi Muhammad.
Material type: ; Format:
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drama
Publisher: 2010Dissertation note: A study to investigate prevalence of different genera of hard ticks was carried out in three districts of the Punjab province, Pakistan (Faisalabad, Jhang and Khanewal). Overall prevalence of Hyalomma species is the highest at 61 % as compared to other genera of hard ticks. In sex-wise distribution, it was found that female Hyalomma species were the highest at 85% followed by A mblyomma species at 81 %, whi Ie Rhipicephalus (Boophilus) species and Haemaphysalis species were at 77%. Infestation rate in cattle at 70% was higher as compared to buffaloes at 34%. In tick infestation level study, high infestation level in cattle at 59% was higher as compared to that of buffalo population at 18%. In cattle population, peR results showed the prevalence of T annulata in H anatolicum and Hidromedari ticks as 50% and 40% respectively. No theilerial organism was detected in Himarginatum, Rhipicephalus (Boophilus) annulatus and Amblyomma variegatum ticks. Three different types of vaccines were prepared from different organs of ticks i.e., salivary gland, intestine or whole ticks of the same species of Hyalomma and they were injected to rabbits. It was found that vaccine prepared by grinding whole tick produced the higher level of antibody as compared to two other vaccines. Each of the whole tick homogenate vaccine prepared from either of the species of Hyalomma, Rhipicephalus or Amblyomma and injected to rabbits. These vaccines produced antibody as well and cross reacted with each other showing each of the hard ticks were antigenically similar. Efforts were made to prepare oil based whole Hyalomma tick vaccine with three different antigen concentration 5.0 mg, 7.5mg and 10.0 mg and evaluated its potency in buffalo calves. It was found that the vaccine dose containing 5.0 mg antigen per dose did not produced detectable antibody in buffalo calves while the vaccine containing 7.5mg or more antigen produced detectable antibody. Moreover, we concluded that montanide based bard tick homogenate vaccine with more than 7.5mg protein per dose is effective in producing antibodies against tick infestation in the dairy animals. The antibody level in vaccinated buffaloes as well as invaccinated rabbits reached to peak level on day 45 post vaccination and started declining thereafter. Capacity of vaccine in controlling tick infestation was assessed in 12 cross-bred calves. It was found tbat rejection percentage in immunized group was higher as compared to control group. There was no difference of engorgement period between immunized and control group. Reproductive index in immunized group was lower as compared to control group. The efforts were made to grow midgut cells insect culture media after isolation them from Hyalomma Ticks.. The purpose of this experiment was to grow midgut cell and then use these cells as a source of was found that the vaccine dose containing 5.0 mg antigen per dose did not produced detectable antibody in buffalo calves while the vaccine containing 7.5mg or more antigen produced detectable antibody. Moreover, we concluded that montanide based bard tick homogenate vaccine with more than 7.5mg protein per dose is effective in producing antibodies against tick infestation in the dairy animals. The antibody level in vaccinated buffaloes as well as in vaccinated rabbits reached to peak level on day 45 post vaccination and started declining thereafter. Capacity of vaccine in controlling tick infestation was assessed in 12 cross-bred calves. It was found tbat rejection percentage in immunized group was higher as compared to control group. There was no difference of engorgement period between immunized and control group. Reproductive index in immunized group was lower as compared to control group. The efforts were made to grow midgut cells insect culture media after isolation them from Hyalomma Ticks.. The purpose of this experiment was to grow midgut cell and then use these cells as a source of contamination for the tick cell culture which are extrinsic as well extrinsic. The growth rate of these cells in our study was not optimal so the media was not splitted to get more cells.
Availability: Items available for loan: UVAS Library [Call number: 1416,T] (1).
17.
Prasitic Contamination Of Vegetables Eaten Raw In Lahore
by Shafa-ul-Haq | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Dr. Nisar Ahmad.
Material type: ; Format:
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Publisher: 2012Dissertation note: Fresh vegetables are important part of human diet. Eating raw vegetable is customary in many parts of the world including Pakistan, but these raw vegetables can be a major source of parasites. A parasitic survey on vegetables collected from major markets in Lahore was conducted for the discovery of human and animal parasites. Ten species of vegetables: beet (Beta vulgaris), cabbage (Brassica denceal), carrot (Davcus carota) chili (Capsicum frutecense), coriander (Corriandum sativum) cucumber (Cucumis sativa), lettuce (Lactuca sativa), Mint (Mentha viridis), radish (Raphanus sativus), tomato (Lycopersicon esculentun) were evaluated in this study. Fifty samples of each vegetable were taken, comprising a total of 500 samples for the study.
Hundred gram of each vegetable was washed with a cationic solution of Hyamin detergent containing glass particles for the elution of eggs. Concentration of eggs/cysts was achieved by centrifugal sedimentation technique at 5000 rpm for 5 minutes. Sediment was examined under microscope for the presence of parasite eggs, cysts and larvae.
Examination of vegetables revealed twelve genera of parasites. All vegetables were highly contaminated with parasites with an overall prevalence of 31.2%. Of parasites studied, Ascaris eggs found to be the highest (37.1%), followed by Hook worm(10.8%) and Trichostrongyloides sp.(8.9%), while the least common parasite was Toxoplasma gondii (1.9%).
Lettuce showed the highest contamination (48%), followed by Cabbage (44%) and Mint (podina) (42%) while chili showed the least contamination (16%).
The results would seem to indicate that one of the important routes of parasitic infection is due to consumption of raw and unwashed vegetables. So, enlightenment programs for the public on necessity of food sanitation and personal hygiene should be intensified.
Availability: Items available for loan: UVAS Library [Call number: 1419,T] (1).
18.
Prevalence Of Trichomonas Foetus In Large Ruminants Of District Hafiizabad
by Amjad Atta Bhatti | Dr. Khalid Saeed | Dr | Prof. Dr. Kamran Ashraf.
Material type: ; Format:
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Publisher: 2012Dissertation note: Trichomonas foetus (T. foetus) is a protozoan parasite of reproductive tract of large ruminants and causes abortion. This organism is found in males and females associated with varied pathology and clinical symptom. Disease has venereal transmission and male remain infected throughout the life. Pakistan is a developing country and artificial insemination facility is not available to all farmers and some are reluctant to avail it.
This study was designed to check the prevalence of T. foetus in large animals in district Hafizabad. One hundred and fifty preputial and vaginal samples were collected from cattle and buffaloes 75 each. These samples were from 100 females and 50 males. Vaginal mucus from females was thoroughly examined for T. foetus in direct smear and in smear stained by Giemsa stain. Male samples were subjected to examination by direct smear, centrifugation and stained smear performed from sediments for detection of T. foetus. Overall prevalence of T. foetus was 12.0% (18/150) in sampled animals and species wise T. foetus infection was 8% (6/75) for cattle and 16% (12/75) for buffalos. Sex related prevalence of T. foetus in cows is 6% (3/50) and in buffaloes was 14% (7/50). Infection was more common in buffalo bulls 20% (5/25) as compared with cow bulls 12% (3/25).
There was no difference in diagnosis of T. foetus in females by direct smear or by examination of stained smears. Whereas stained smears prepared from sediments of preputial washings were more sensitive in diagnosing of T. foetus infection as compared with direct smear method. Study also indicated that infection was exclusively seen in animals that were involved in natural breeding.
Availability: Items available for loan: UVAS Library [Call number: 1438,T] (1).
19.
Evaluation Of Adulticidal And Larvicidal Efficacy Of Zadirachta Indica (Neem) And Lantana Camara (Punch Phul) Extracts
by Asemah Anwar | Prof. Dr. Azhar Maqbool | Dr. Aneela | Dr. Nisar Ahmad.
Material type: ; Format:
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Publisher: 2012Dissertation note: Pakistan is one of sub-tropical countries and its climatic conditions favor parasitic diseases along with disease vectors including mosquitoes. Mosquitoes of genus Aedes are causing Dengue fever. It has become one of infectious vector born disease of world. Annually it is striking around 100 million people with dengue fever and about 5 Lac people with Dengue Hemorrhagic Fever (DHF), resulting in 5 % deaths per year. Current study was conducted to evaluate efficacies of plant extracts against dengue fever mosquitoes of Aedes genus. Study target was to search some safer alternates than that of chemical pesticides. Also exhibiting characteristics like less toxic to environment, do not induce resistance in mosquitoes, do not harm non-targeted organisms, would not be toxic to human beings and will have biodegradation ability. Study has evaluated indigenous plants extracts as potent larvicidal and adulticidal materials.
Mosquitoes were collected from different areas of Lahore and they were identified upto genus level only Aedes genus was identified upto species level, then Aedes aegypti was reared in laboratory to have F 1 generation, to have mosquitoes and larvae for testing the activity of plant extracts. Plant materials were collected from different areas of Lahore. Methanolic extracts of seeds and leaves of Azadirachta indica and lantana camara respectively, were extracted accordingly. Stock solutions were prepared from these extracts and then out of this serial dilutions were made. Experiment was performed in four groups A, B, C & D for both adults and larvae. Each group was representing total of 25 larvae/adult out of which one was kept untreated
as negative control, one with deltamethrin as positive control while two were provided with test concentrations.
LC50 and LC90 was determined by Probit analysis, using SPSS version 13.0 SPSS inc. 2004. lethal concentrations of A. indica mosquitocidal assay were LC50=30.44 mg/l and LC90=62.36 mg/l after 24 hrs and LC50=-9.87mg/l and LC90=59.102 mg/l after 48 hrs at ?= 0.05. X 2 value was significant for 24 h while for 48 h it was not significant. Maximum mortality observed after 24 and 48 hrs is 99% at 70 ppm. DMR test shows after 24 hrs., all treatment means are significantlt different from each other, from control and from mean of insecticide's mortality, control is significantly lower while insecticide treated group has significantly higher than rest.
after 48 hrs. treatments were significantly different from each other while treatment mortality at 70 PPM is significantly higher than insecticide treated group and rest.
Lethal concentrations for L. camara adulticidal assay were LC50=60.40 mg/l and LC90=113.61 mg/l after 24 hrs and LC50=48.20 mg/l and LC90=79.31 mg/l after 48 hrs at ?= 0.05. X 2 value was not significant at 24 h and is significant at 48 h. DMR test after 24 hrs. treatment, control and insecticide treated were significantly different from each while insecticide treated group has significantly higher than rest. After 48 hrs 4 and 5 treatment groups were found significantly higher than rest
Larvicidal assay of A. indica has shown LC50 =52.36 mg/ l and LC90=105.42 mg/ l after 24 h and LC50 =80.70 mg/l and LC90=145.73 mg/ l after 48 h at ?= 0.05. X2 values for both 24h and 48h were not significant. DMR test after 24 hrs. insecticide treated was significantly lower than all above treatment groups. Treatment group 7 has significantly higher mortality than all other. After 48 hrs. there was not any significant difference.
Lethal concentrations for L. camara LC50 =100.76 mg/100 ml and LC90=198.22 mg/100 ml at24 h and LC50 =61.27 mg/100 ml and LC90= 122.45mg/100 ml after 48 h at ?= 0.05. X2 value for both 24h and 48h was not significant. DMR test after 24 hrs. shows insecticide treated group i.e. 8 is significantly lower than all treatment groups except 1 which is at lowest treatment. After 48 4, 5 and 6 had came to same activity level no significant difference was found and were higher than all others.
Conclusion:
Hence it is concluded that crude plant extracts can act as potential Adulticide / Mosquitocide and Larvicides, though these are required in higher concentrations than that of synthetic insecticides and purified botanical products, but they have advantage of posssessing less resistance presentation and safe for aquatic life. It is also concluded that chemical insecticide used i.e. Deltamethrin has higher efficacy as adulticidal with drastic effects on environment and other beneficial insects. But it was found least effective as larvicidal compared to crude plants extracts. It is suggested that plant extracts can prove a better, safer and cheaper alternate these should consider as a better alternate to control most lethal disease of present time i.e. Dengue fever by eradicating its vector i.e. Aedes aegypti mosquito.
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20.
Mosquitocidal Efficacy Of Entomopathogenic Fungus Metarhizium Anisopliae And Its Combined Therapy
by Aalia Riaz | Prof. Dr. Kamran Ashraf | Prof. Dr. Azhar Maqbool | Prof. Dr. Tahir.
Material type: ; Format:
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Publisher: 2012Dissertation note: The aim of study was to find out the method for disposal of waste material, dead birds and poultry litter and their proper utilization in the poultry industry. Secondly to evaluate the efficacy of composted poultry litter/dead birds in broiler quail ration. The experiment was conducted at Poultry Research and Training Centre and Avian Research and Training Center, UVAS, Lahore in two different phases. The first phase was of 8 weeks duration in which composting of dead birds was doneusing advance windrow pile technique and proximate analysis of the composted material wascarried out. During the second phase, a quail ration was formulated according to dietary recommendations of NRC (1994) with inclusion of 0, 2, 4 and 6% compost and fed to quails,For this purpose, a total of 1200 day old Japanese broiler quails were randomly divided into 4 different experimental groups (A, B, C, and D). Group A was control and group B, C, and D contained 2, 4, and 6% composted ration respectively. The birds in each group were replicated six timescomprising 50 birds in each replicate. After 4 weeks of age three birds per replicate were slaughtered and their slaughtering parameters were recorded. The data thus obtained were analyzed through ANOVA in completely randomized design (Steelet al.1997) and means were compared by Duncan's Multiple Range (DMR) test (Duncan, 1955) using SAS (Statistical Analysis System) version 9.1. In production performance feed intake, body weight, body weight gain and FCR showed positive response when fed different levels of composted diet while mortality % remained unaffected throughout the experimental period. In slaughtering parameters live body weight (g), carcass weight %, dressing Weight %, Giblet weight %, Gizzard weight % and Heart weight % showed positively when fed different levels of composted diet while liver weight % remained unaffected throughout the experimental period.
Key Words: Composted ration, Japanese quail, Production Performance, Slaughtering Parameters.
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21.
Prevalance Of Endoparasites In Common Carnivorous Fish In Lahore.
by Imtiaz Aziz | Prof. Dr. Azhar Maqbool | Prof. Dr | Prof. Dr. Kamran Ashraf.
Material type: ; Format:
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Publisher: 2012Dissertation note: Due to intensification of fish culture practices, there is more likely the occurrence of various diseases in general and parasitic in specific in fish. However, there is a paucity of information regarding the prevalence of various parasites in local fish especially fishes of fresh water. Therefore, the present study has been planned to investigate the prevalence of various parasites of the gastrointestinal tract and liver of Wallago attu(Malee) ,Rita rita (Khaga), Channa marulius(Saul) and Mystus seenghala(Seenghari). Therefore, it was hypothesized that there is a variation in the occurrence of various endoparasites in various species of fish.
A total fifty gut samples from each of breed of fish (Wallago attu (Malee),Rita rita (Khaga), Channa marulius(Saul) and Mystus seenghala(Seenghari) were collected from various fish markets located in Lahore City like Bhatti Gate, Samnabad, Tollinton Market, and were analyzed to determine the prevalence of various endoparasites in the intestine. The gut samples were collected in 0.9% physiological saline and were preserved in 4% formalin. The recovered parasites were fixed and identified on the basis of morphology to calculate the prevalence rate. The data thus collected was analyzed using a Pearson's chi-square. Results showed that out of 65 fish samples collected from Tollinton market that included Rita rita (n = 20), Wallago attu (n = 15), Channa marulius (n = 15) and Mystus seenghala (n = 15), 7 (10.76%) samples of gut harbored various parasites. Similarly, the prevalence rate of parasites in two other localities were 17.39% in Bhatti-gate fish market and 18.18% in Samanabad Fish market. The overall prevalence rate was found to be 15.5%. There was no statistical difference in the prevalence rate when data was assorted on the basis of localities. Both single and mixed infections were noted in fishes collected from all three localities and all four species of fresh water fish. The various parasites revocered from the intestines of the gut from all species included P. heteropneustus Cucullanus sp., Cucullanus sp., Phyllodistomum sp. and R. magna.
Availability: Items available for loan: UVAS Library [Call number: 1499,T] (1).
22.
Epidemiology, Zoonotic Potential, Haematiology And Therapy Of Toxocariasi In Dogs And Humans.
by Nisar Ahmad | Prof. Dr. Azhar Maqbool | Prof. Dr | Prof. Dr. Kamran Ashraf.
Material type: ; Format:
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; Literary form:
not fiction
Publisher: 2010Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1505,T] (1).
23.
Seroepidemiology, Zoonotic Potential And Chemoprophylaxis Of Leishmaniasis In Dogs & Human In Pakistan
by Haroon Duraani | Prof. Dr. Azhar Maqbool | Prof. Dr. Zafar Iqbal Chaudhary.
Material type: ; Format:
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not fiction
Publisher: 2010Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1547,T] (1).
24.
Serofpidemiology, Zoonotic Potential And Chemotherapy Of Neosporosis In Dogs And Cattle
by Muhammad Mudasser Nazir | Prof. Dr. Azhar Maqbool | Dr. Muhammad Lateef | Prof. Dr.
Material type: ; Format:
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drama
Publisher: 2010Dissertation note: The aim of current study was to demonstrate the most important features of Neospora caninum infection in Pakistan. In the present study, I examined the prevalence of N. caninum in 7 districts of the country and to accessed the efficacy of various drugs against the parasite in cell culture.
For the achievement of this purpose, the core objectives were,
To have an overview on the overall seroprevalence of neosporosis throughout the country by means of cELISA in aborting, at risk and clinically healthy cows.
To check the correlation of Iscom ELISA and cELISA, and determination of prevalence of N. caninum by means of Iscom ELISA on milk samples.
To identify the transmission of disease towards human.
To determine the efficacy of various drugs against N. caninum.
In phase 1, overall seroprevalence of N. caninum in dairy cattle (detected by means of cELISA, VMRD, Inc., Pullman, WA, USA) was found to be 43.4% with a significant difference (P < 0.05) of seropositivity among all 18 herds (n = 5 aborting herds, n = 13 non-aborting/clinically healthy herds) selected from 7 districts of Pakistan. The seropositivity of cattle to N. caninum antibodies was significantly higher in aborting animals (52.7%) as compared to non-aborting cows ( 41.5%), indicating a significant difference between aborting and non-aborting cattle. In case of pregnant and non-pregnant animals, similar findings were recorded in our study. A significantly higher rate of seroprevalence was observed in pregnant dams (59.8%) than non-pregnant cattle (35.2%). Overall, higher serological prevalence was evaluated during the summer season (61.1%) in all areas followed by autumn (46.9%), spring (34.9%) and least seropositivity was observed in winter season (26.6%).
The difference in seropositivity was significantly different among all age groups, greater in animals older than 2 years of age. Furthermore, the prevalence was statistically significant (P < 0.05) among cattle of different breeds. Seroprevalence in cases of crossbred animals were higher followed by exotic and indigenous breeds.
Phase 2, describes the seroprevalence of N. caninum in clinically healthy dairy cows. A selection of 760 animals from 13 dairy herds located in Punjab and Sindh Province, Pakistan to demonstrate the presence or absence of the Neospora caninum infection in commercial dairy cattle. The serostatus of the cows towards N. caninum was detected by cELISA (VMRD, Pullman, WA). Out of 760 animals, (43.2%) were seropositive to N. caninum. A significant difference of positivity was recorded among all 13 dairy herds. Age wise prevalence though not statistically significant among all age groups, was greater in animals over 2 years of age and least in heifers. Variation was also observed in samples from cattle of different breeds. A significantly higher prevalence was observed in crossbred animals than in purebred and nondescript cattle. Seasonal prevalence was higher during summer season than rest of the seasons. The seroprevalence of N. caninum in pregnant cows was significantly greater than in non-pregnant animals.
Second experiment of this phase describes the seroprevalence of 240 animals from 5 herds with a high rate of abortion, the percentage of seropositivity observed in these herds was 43.8%, slightly higher than the clinically healthy and non-aborting cattle. No significant difference was observed among all sample locations in this experiment. However, significant difference of positivity was recorded among different breeds of cattle. Age wise prevalence, though not statistically significant (P > 0.05), was greater in animals older than 2 years of age.
The assessment of milk samples from lactating cows were also determined for Neospora caninum antibodies by means of Iscom ELISA (SANOVIR® Sanova Biotech AB, Uppasala, Sweden) and showed a good level of agreement (r² = 0.9959) between the two tests (cELISA and Iscom ELISA). Although, the cELISA (VMRD, Inc., Pullman, USA) expressed a higher seropositivity and sensitivity than Iscom ELISA (Sanova Biotech AB, Uppasala, Sweden). Therefore, both of the ELISA tests (cELISA and Iscom ELISA) for the detection of N. caninum antibodies in dairy cattle can perform better in lactating animals. The Iscom ELISA has some advantages over cELISA as it's easy to collect milk samples than serum samples, moreover Iscom ELISA is cheaper and easy to use but has low sensitivity than cELISA and cannot be used in dry animals. The percentage of positivity detected through Iscom ELISA on individual milk samples were 61.4% and 76.6% by cELISA.
In phase 3, an epidemiological study was conducted to determine seroprevalence of N. caninum in dogs of different breeds and age groups. The serum samples of dogs were analyzed by cELISA (VMRD, Pullman, USA) showed a seropositivity of 23.5%. There was no significant difference of seropositivity among various sample locations, highest prevalence was observed in Muzaffar Garh (31.9%), followed by Gujranwala (27.9%), Lahore (25.1%), Hafizabad (20.2%) and least prevalence was recorded in district Okara (14.6%). A significant difference in prevalence of N. caninum antibodies between male (26.1%) and female (18.8%) dogs were recorded. The difference in seroprevalence was not significant among all age groups. The samples with no age record showed a highest prevalence (29.5%) and least seropositivity was observed in adult dogs of 3-6 years of age (18.7%). During Summer season, highest positivity to N. caninum was (31.0%) recorded while the lowest prevalence (16.0%) was observed in Winter season.
Phase 4, describes the seroprevalence and transmission of N. caninum in humans. A selection of 52 serum samples from humans was analyzed for the presence of N. caninum antibodies. The serostatus of the humans towards N. caninum antibodies (IgG) was determined by using commercially available antigen coated IFAT slides (VMRD, Inc., Pullman, Washington USA) and human conjugate. Overall very low prevalence (1.9%) of N. caninum antibodies was reported in this study. Only one case was found to be positive, these findings indicate that no strong evidence of N. caninum infection in humans.
In phase 5, in vitro drug trials was conducted to access the best efficacy of three commercially available drugs. We found that among three anticoccidial drugs i.e Clindamycin, Diclazuril and Sulfadiazine, Diclazuril has best inhibitory effect against N. caninum tachyzoites in cell culture followed by Clindamycin and sulfadiazine.
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25.
Epidemiology, Zoonotic Potential, Serodiagnosis And Chemotherapy Of Sheep Fasciolosis In Different Ecological zones of balochistan
by Masood Ul Haq Kakar | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Prof. Dr. Yasmeen Nawaz.
Material type: ; Format:
print
; Nature of contents: ; Literary form: Publisher: 2012Dissertation note: Various epidemiological aspects of human and sheep fasciolosis were investigated in four districts of Balochistan (Pakistan) having different ecology i.e. district Bolan from (Plain zone), Lasbela (Coastal zone), Qilla Saifullah (sub humid and semi arid sub zone of Upland zone) and district Pishin from (Arid sub zone of Upland zone). Sheep samples were examined through Coprological examination showed overall prevalence of 10.26% in one year study period from June 2010 t0 May 2011. The uppermost prevalence was recorded in district Bolan (14.79%) followed by Lasbela (10.63%), Qilla Saifullah (8.75%), and the lowest in district Pishin (6.88%). Overall the highest prevalence by season was recorded in autumn (25.31%) followed by winter (9.22%), summer (6.41%) and lowest in spring (5%). Amongst the month the overall highest prevalence was recorded in the month of September (30.63%) and lowest in the month of May (1.88%). Sex wise prevalence was found highest in female more susceptible to infection (11.22%) than male (8.48), but sex wise difference was non-significant statistically. Amongst the age group significantly higher prevalence was recorded in adults young than adult of age group (5.91%).
During one year study period prevalence (%) of human fasciolosis in some districts of Balochistan was recorded (0.42%), with overall district wise prevalence in Qilla Saifullah and Bolan (0.83%) and (0%) in Lasbela and Pishin. Overall season wise prevalence was noted the highest in autumn (1.25%) followed by summer (0.63%) and 0% prevalence in winter and spring. Month wise results showed 2.5% prevalence only in the month of August and October while 0% in the other months. Gender wise prevalence 0.42% was
found only in male, no female samples were collected due to some religious, traditional and community problems. Prevalence by age was recorded the highest in above 20 years of age group (0.74%) while this value decreased to zero in below 20 years of age group.
Antibodies against fasciolosis in serum samples through indirect (ELISA) were recorded 13.13% (63/480) in sheep and 0.42% (2/480) in human indicates the higher prevalence (%) as compared to fecal examination. Likewise district, age and sex wise seroprevalence (%) of fasciolosis was reported higher than coprological examination in case of humans as well as in sheep.
In sheep positive correlation was noted between fasciolosis and relative humidity while negative correlation with temperature (ºC) and rainfall (mm). While in humans prevalence positive correlation was observed with temperature (ºC), relative humidity (%) and rainfall (mm).
Overall 1123 snails belonging to different 5 genera were collected from different district from different agr-ecological zones of Balochistan from June 2010 to May 2011. Amongst the snails the highest prevalence (37.04%) was found for Indoplanorbis, followed by Bulinus (32.15%), then Lymnea (20.66%), Melanoides (5.52%) and the lowest Physa (4.63%).
Comparative study for coprological and serological tests (ELISA) was conducted for four districts from different agro-ecological zones of Balochistan i.e. District Bolan from (Plain zone), Lasbela (Coastal zone), Qilla Saifullah (sub humid and semi arid sub zone of Upland zone) and district Pishin from (Arid sub zone of Upland zone) for one year i.e. from June 2010 t0 May 2011. Overall prevalence of sheep and humans was 0% and 8.13% by coprological examination and 13.13% and 0.42% by indirect ELISA tests. Prevalence by ELISA was found higher than fecal examination when analyzed statistically. Similar seroprevalence for month, districts, age and sex was noted higher than coprological examination for sheep and humans. ELISA Sensitivity (%) and specificity (%) was recorded >97.0% and 95% and 100%, 100%, respectively for sheep and humans.
Indigenous plants i.e., Saussurea lappa (roots), Fumaria parviflora (aerial) and Caesalpinia crista (seeds) were used at dose level of 60, 70 and 80 mg/kg body weight against naturally infected sheep with fasciolosis and their effectiveness was compared with triclabendazole (10mg/kg body weight). Triclabendazole was found 100 % effective after second dose whereas all herbal medicine it reached up to this mark after administration of second dose of 80 mg/kg body weight. From this study we can conclude that these herbal medicines can safely replace the triclabendazole, which is not, only cost effective but have no side effects.
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26.
Prevalence And Chemotherapy Of Various Endoparasites In Pheasants
by Bushra Nazeer | Dr. Nisar Ahmad | Prof. Dr. Anjum | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
print
Publisher: 2013Dissertation note: The study was designed to check the prevalence of nematodes in pheasants. A total of 200 faecal samples (100 from Lahore Zoo & 100 from Jallo Park Lahore) were collected from pheasants. Faeces were examined by using direct smear and centrifuge floatation technique. Forty six out of 200 Pheasants were found to be infected with nematodes. The overall prevalence of nematodes was 23%, while 20% & 26% prevalence was reported for Lahore Zoo & Jallo Park Lahore respectively. The overall species wise prevalence of nematodes reported as, Capillaria, Ascaridia, Coccidia, Trichostrongylus and Heterakis 23.9%, 30.4% 19.6%, 2.2% and 23.95 respectively. Then forty five birds were selected for chemotherapeutic trial by using fenbendazole and tetramisole and checked the efficacy of these drugs against the nematodes. The decrease in mean of EPG in faecal samples was calculated before and after treatment. All the Pheasants in group A were treated with tetramisole and mean EPG was 1000 at day 0 (before treatment). The reduction in mean EPG after treatment was observed 293, 220 and 367 on days 3, 7 and 18 respectively and tetramisole efficacy was 71%, 78% and 63%. The lowest (63%) tetramisole efficacy was calculated after 7 day, likewise highest (78%) on day 7 after treatment. The overall percentage efficacy of tetramisole was calculated 71% during this drug trial. On the other hand in group B the mean EPG was 961 before treatment (on day 0). The mean EPG was calculated 226, 193 and 327 on days 3, 7 and 21 respectively after fenbendazole treatment, indicating the egg load reduction 76%, 80% and 65% respectively. In group B, the highest reduction load (80%) of eggs was calculated on day 7 after medication, on contrary 65% on day 18 (post-treatment). The significant difference (p<0.05) was seen in EPG before and after treatment with anthelmintic in group A and B. The efficacy of fenbendazole was found highly significant (p<0.02) than tetramisole.
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27.
Epidemological, Serological, Heamatological And Therapeutic Studies On Ovine Nematodiasis In Three Ecological Zones of Balochistan
by Abdul Razzaq | Prof. Dr. Kamran Ahraf | Prof. Dr | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2012Dissertation note: The main area of research in this study was to assess the prevalence, hematological and serological aspects of ovine nematodiasis. Four main experiments were conducted to highlight the objectives of the present research study.
First experiment was conducted to find out the prevalence of sheep major nematodes for one year (January-December 2011). For this purpose three sheep breeds i.e., Balochi, Babrik and Harnai (either sex and between 1-5 years age groups)were selected randomly from three sites i.e., Quetta, Ziarat and Loralai. Faecal analyses of these sheep showed overall higher (40.25%) nematodes prevalence at Loralai followed by Ziarat (29%) and Quetta (23.92%). Five nematodes infection were recorded at three experimental sites. Among these, H. contortus (5.58 to 10.42%)and was the higher prevalent followed by N. battus (6.92 to 9.33%), S. papillosus (4.42 to 9%), T. colubriformis (2.33 to 7.33%) and T. ovis (1.83 to 6.83%).The nematodes prevalence was higher in one and five years old sheep. The female-sheep were infected with higher nematode prevalence higher the than male once and sometimes non-significant difference. These five nematodes were prevalent almost throughout the year; however, a peak infection was recorded during August/September. The high temperature, rainfall and humidity during these months may be predisposing factor of higher prevalence.
Second experiment was on diagnosis of sheep nematodiasis through Enzyme-linked immunosorbent assay (ELISA). For this purpose H. contortus and T. ovis positive samples (200) based on coprological examination were also indicated 100% positive sensitivity by the ELISA based on crude somatic antigen, while on excretory antigen based showed lower (92%) sensitivity. The sera (n=200) of non-infected sheep (based on coprological examination) showed marked difference results. Such as 168 (84%) and 166 (83%) samples were found positive with H. contortus and T. ovis, respectively. While, based on crude somatic antigen 158 (79%) and 144 (72%) samples were found positive with H. contortus and T. ovis, respectively.
Third experiment was conducted to determine the hematological values and total serum protein indices in healthy and nematodes infected sheep. The statistically significant (P<0.05) difference in PCV, Hb, RBC, WBC, Eosinophil, ESR and Total serum protein values was observed among healthy and nematode infected sheep groups. While, there was no statistically significant (P<0.05) difference in TLC, Lymphocytes, Neutrophil, Monocytes and Basophils counts in healthy and nematodes infected sheep groups.
Fourth experiment was conducted on assessing the comparative efficacy of synthetic (Oxfendazole and Ivermectin) and locally manufactured herbal medicine (Deedani, Kirmar and Atreefal Deedan) anthelmintics against sheep nematodes at AZRC/PARC Range-livestock Research Station Sanjavi district Ziarat. The present study results regarding the comparative efficacy showed that, Atreefal deedan among herbal products (Deedani and Kirmar) and Ivermectin than Oxfendazole was found effective against sheep nematodes. The sheep treated with Ivermectin showed highest (96%) FEC reduction, followed by Oxfendazole/Atreefal deedan (86%), Kirmar (60%) and Deedani (32%).
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28.
Assessment Of Parasitological Contamination Of Fresh Ad Dry Fruits In Lahore
by Muhammad Anis Khan | Dr. Nisar Ahmad | Dr. Muhammad | Prof. Dr. Azar Maqbool.
Material type: ; Format:
print
Publisher: 2013Dissertation note: Fruits are important part of human diet. Eating unwashed fruits is common in
many parts of the world including Pakistan, but these can be a major source of parasites.
A parasitic survey on fruits collected from major markets in Lahore was conducted for
the discovery of human and animal parasites. Ten species of fruits: Guava, Apple,
Sapodilla, Sweetsop, Strawberry and dry fruits: Apricot, Date, Persimmon, Fig and
Raisins were evaluated in this study. Fifty samples of each fruit and a total of 500
samples were taken for the study.
Hundred gram of each fruit was washed with a cationic solution of Hyamin
detergent containing glass particles for the elution of eggs. Concentration of eggs/cysts
was achieved by centrifugal sedimentation technique at 5000 rpm for 5 minutes.
Sediment was examined under microscope for the presence of parasite eggs, cysts and
larvae.
Examination of fruits revealed nine genera of parasites. All fruits were highly
contaminated with parasites with an overall prevalence of 35.2%. Of parasites studied,
Ascaris found to be the highest (36%), followed by Trichuris (14.3%) and
Trichostrongyloides sp.(11.9%), while the least common parasite was Fasciola (2.9%).
Fruits are the source of parasitic infestation. The most contaminated fresh fruit
was strawberry (54%) followed by guava (48%). Whereas the least contaminated fresh fruits was sweetsop (22%). The most contaminated dry fruits was fig (46%) followed by
date (38%). whereas the least contaminated dry fruits was (20%).
The results indicate that one of the important routes of parasitic infection is due to
consumption of unwashed fruits.
Conclusions:
Strong efforts should be made to prevent contamination of fruits and vegetables
during production, transport, processing and handling, much improvement is still needed
in our country if hygienic production of fruits and vegetables is to be ensured. This study
provides an overview of the hazards associated with eating contaminated fruits. Parasitic
infections like Cryptosporidiosis can be acquired by people if orchards or water sources
near cow pastures become contaminated from infected cows and people consume the fruit
without proper washing. The study needs to be carried out in other areas of Pakistan and
more fresh and dry fruits should be included in the study. Information regarding the
contamination of the fruits should be published in the national newspapers because
awareness of the public is very important for the control of these contaminations.
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29.
Vector Biology Of Aedes And Culex And Their Role In Dissemination Of Dengue Virus
by Syed Shakeel Shah | Prof. Dr. Azar Maqbool | Dr. Aftan A | Dr. Nisar Ahmed.
Material type: ; Format:
print
; Literary form:
drama
Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1659,T] (1).
30.
Epidemiology, Zoonotic Potential, Molecular Diagnosis And Chemotherapy Of Cryptosporidiosisin Bovine
by Sabiqaa Masood | Prof. Dr. Azhar Maqbool | Dr. Aftab | Prof. Dr. Zafar Iqbal Choudhry.
Material type: ; Format:
print
Publisher: 2011Dissertation note: Cryptosporidiosis is an important parasitic infection of cattle, buffaloes, goats, sheep, horses, cats, human beings and other vertebrates. Prevalence of Cryptosporidiosis in selected animals and human beings carried out on the basis of microscopic examination and polymerase chain reaction (PCR). Percent prevalence of Cryptosporidiosis determined on the basis of conventional identification method was highest in calves (23.1) followed by cattle (10.5) and buffaloes (8.47). Percent prevalence of Cryptosporidiosis in calves, cattle and buffaloes was higher at Government dairy farm (38.33, 20.55 and 16.66) followed by Gawala colonies (26.1, 12.77 and 9.44), Military dairy farm (18.3, 6.11 and 4.44) and then House hold dairies (10, 3.88 and 3.34). Percent prevalence recorded in calves having age less than six months was higher (26.45) than those with 7-12 months of age (16.6). Percent prevalence of Cryptosporidiosis in cattle having age of 2-3 years was higher than those cattle having 3-7 years of age. Similarly, infection rate was higher in buffaloes with 2-3 years age (11.8) than 3-7 years (9.8). Cryptosporidiosis percent prevalence recorded in female calves was higher (24.04) than male calves (18.2). Percent prevalence of Cryptosporidium oocysts observed in feces of male cattle was little higher (11.25) than female cattle (10.4). Cryptosporidiosis percent prevalence recorded in female buffaloes was higher (13.3) than male buffaloes (8.3).
The data was analyzed monthly for the purpose to trace out the specific period of the year having the highest prevalence rate of Cryptosporidium infection. The highest percent prevalence of Cryptosporidiosis recorded in fecal samples of calves was during summer (27.5) followed by autumn (25.8), spring (20.3) and the lowest in winter season (14.5). Overall the highest percent prevalence of Cryptosporidiosis in cattle recorded was during summer (15), followed by spring/autumn (10.88) and the lowest in winter (6.6%). The highest percent prevalence of Cryptosporidiosis recorded in buffaloes was during summer (12) followed by autumn (20), spring (7.5) and the lowest in winter season (4.5). In human beings patients suffering from diarrhea were examined by microscopy and percent prevalence calculated was 40 in present study.
Molecular percent prevalence rate determined was 12.22 in cattle. Percent prevalence recorded using PCR was the highest at Government dairy farm (22.7), followed by Gawala colonies (14.41), Military dairy farm (7.7) and the lowest at House hold dairies (5). The highest season wise percent molecular prevalence was observed during summer (16.6) followed by autumn/spring (13.3), the lowest in winter (7.7). The higher molecular percent prevalence in young cattle (2-3 years) was higher (23.7) than those having age between 3-7 years (10.7). Molecular percent prevalence of Cryptosporidiosis in selected cattle was lower in females (13.6) than males (15).
The efficacy of albendazole observed was 43.05, 58.7 and 64.6 percents on 13th, 20th and 27th day post treatment. The efficacy of albendazole determined on this dose was 34.8, 57.1 and 62.9 percents on days 13, 20 and 27 post therapy. Efficacy of drug calculated on days 13, 20 and 27 was 32.8, 53.3 and 56.6 percent, respectively. Percent efficacy of used drug was 55.04, 68.5 and 79.4 on days 13, 20 and 27 post treatment, respectively. At 50mg/kg body weight dose rate of paromomycin significant decrease in OPG count was recorded from 6th day post treatment and onward (P<0.05). On days 13, 20 and 27 percent efficacy of used drug determined was 48.1, 65 and 69, respectively.
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31.
Prevalence Of Defferent Developmental Stages Of Aedes Mosquitoes And Their Role In Transmission Of Dengue
by Sabila Afzal | Prof. Dr. Azhar Maqbool | Dr. Aftab A | Dr. Muhammad Latif.
Material type: ; Format:
print
; Literary form:
drama
Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1735,T] (1).
32.
Serodiagnosis, Epidemiology And Economic Improtance Of Hypodermosis In Goats In Balochistan
by Saadullah Jan | Dr. Mohammad Lateef | Prof. Dr | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2013Dissertation note: Hypodermosis is an endemic infestation of cattle and goats in Pakistan. It is caused by H. lineatum and H. bovis in cattle and P. silenus in goats and is commonly existed species in Pakistan which belong to order Diptera, family Oestridae. The larvae of these flies are obligatory parasites of their hosts and are economically very important causing severe damage to the skins/hides effecting leather industry. Goat warble fly infestation has severe economic impact on tanning industries and it also causes growth retardation, carcass depreciation and production losses of milk and meat. Keeping in view the importance of this infestation, studies were designed on serodiagnosis, epidemiology and economic importance of hypodermosis in goats in northern uplands of Balochistan, Pakistan, with the objectives to diagnose warble fly infestation at early stages through serology for better control and eradication strategies, to study different epidemiological factors (age, sex, breed, temperature, humidity and rain fall) contributing goat warble fly infestation in the study areas, to compare seroprevalance over the prevalence based on clinical examination and to study the economic importance of hypodermosis in Loralai, Ziarat and Pishin districts of Balochistan, Pakistan. The duration of the study was one year commenced from April 2011 to March 2012. The most prevalent breed of goat i.e. khurasani breed in uplands of Balochistan was involved in the study which was compared with the Non-descriptive breed of goats. It is expected that the result of this study will be helpful to plan better control and eradication measures of warble fly by providing the base line data for further improvement in livestock sector in Balochistan.
Serological studies for an early diagnosis and seroprevalence of hypodermosis were carried out by commercial ELISA kit (IDEXX hypodermosis serum antibody test) method. A total of 1440 blood samples were collected during the study. Sera were separated and stored at - 20 °C until further use. The infestation was detected in May and June (summer) where as the infestation is usually detected clinically in the months of October until February (winter) when warbles appear on the back and flank regions of the animals. ELISA based seroprevalence showed the highest mean percentage (48.45 %) of goat warble fly infestation in all the three districts, while the mean percentage by clinical palpation method was 15.94 % in all the three districts. In the slaughter house and skin market studies the mean percentages of goat hypodermosis were 9.07 % and 7.16 %, respectively.
In the study of epidemiology, a total of 8640 number (2880 number per district) of goats of different age, sex and breed were examined on monthly bases by hand palpation clinico-parasitological method for the presence and prevalence of hypoderma infestation in the field animals. The mean prevalence percentage was 15.94 % i.e. 10%, 21.25% and 16.59% in Loralai, Ziarat and Pishin districts, respectively. In the study conducted in slaughter houses of all the three districts, a total of 4320 number (1440 number per district, 120 animals per month per district) of goats of different age, sex and breed were examined and the prevalence was recorded. Three age groups were selected for both the studies i.e. < 1year, 1-2 year and > 2 year old. The larvae were collected from naturally infested animals for identification. The mean prevalence percentage of hypodermosis in the slaughtered animals was 9.07 % i.e. 4.86%, 12.56% and 9.79% in Loralai, Ziarat and Pishin districts, respectively. Analysis of data by Pearson Chi-square test (?2) revealed highly significant difference (P<0.05) in the overall prevalence of hypodermosis district-wise in the fields and slaughter houses. Results were processed using Microsoft Excel 2007. In comparison of the fields and slaughter houses, the prevalence was significantly higher in the field animals as compared with the slaughterhouse animals in all the districts. In the study based on examination of the infested skin in the skin markets, a total of 3600 numbers of skins of goats (1200 numbers per district, 100 skins per month regardless of age, sex and breed) were examined by making monthly visits to the skin markets of each district. The intensity of the infection was also recorded by counting the number of holes in each infected skin. The overall district-wise mean prevalence percentage was 7.16 % and the mean intensity was 16.19 holes per skin. Analysis of data of the skin market by Pearson Chi-square test, using SPSS version 16, revealed highly significant differences (P< 0.05) in the prevalence of hypodermosis district-wise.
Month-wise prevalence in the field animals showed that the highest prevalence was during January and lowest during October in Loralai, Ziarat and Pishin districts. In the slaughter house study, highest prevalence was observed during October and the lowest during July in Loralai district, highest during January and the lowest during July in Ziarat district whereas the highest prevalence was during the month of November and the lowest during July in district Pishin. Month-wise analysis of data by Pearson Chi-square test, using SPSS version 16, revealed highly significant differences (P< 0.05) in the prevalence of hypodermosis both in the field as well as in the slaughter house studies. Age-wise prevalence in the field as well as in the slaughter house animals showed the highest prevalence in the age group of 1-2 years as compared to the age groups of < 1 year and > 2 years. Analysis of data by Pearson Chi-square test, using SPSS version 16, revealed highly significant differences (P< 0.05) in the prevalence of hypodermosis amongst age groups both in the field as well as in the slaughter house studies. No significant difference was observed sex-wise and breed-wise in both the studies of fields and slaughter houses of the study areas.
The life cycle pattern in naturally infested goats with warble fly was studied in the fields and slaughter houses of the study areas from April 2011 to March 2012. All the observations regarding the life cycle stages were recorded. First instars larvae (L1) were observed in subcutaneous tissues from mid of May to mid of July in slaughter houses of the study areas. Second instars larvae (L2) were observed in the slaughter houses from mid of July to November. Third instars larvae (L3), as well developed warbles on the back and flank regions of the goats, were palpated in the field animals and observed in the slaughter houses from December until the end of February. The pupal period was observed in early spring in the months from March to mid of April. No larvae were observed in the slaughter houses and fields of the study areas during this period while the adult fly activity season (Oviposition period) was observed in early summer from mid of April to mid of May.
The estimation of economic losses due to skin damages were determined by multiplying the estimated infested numbers of skins with the value of loss per skin. The overall losses due to warble fly infestation in the study areas were calculated as Pak. Rupees 7578625.49 (Pak. Rs 7.57 million = US$ 77530.69, US$ 1= Rs. 97.75) annually.
Based on the early detection studies, it is concluded and recommended that the best time for the treatment of goat warble fly infestation in uplands of Balochistan is in the months of June and July when first larval instars are still in migratory stage and not yet have reached their final sites on the back and flank regions of goats to cause damage to the skin, where as the farmers usually treat their animals against warble fly in the winter season when they observe the warbles on the backs of the animals but at that stage the larvae have damaged the skins of the animals.
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33.
Comparative Efficacy Of Different Diagnostic Techniques For Ovine Haemonchosis Through Faecal
by Sadaf Anwar | Dr. Muhammad Lateef | Dr. Aftab | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2013Dissertation note: Livestock plays pivotal role in the economy of country and small ruminants are the major source of food products for human. Haemonchus contortus is the most significant parasite of small ruminants and cause heavy production losses by causing reduction in meat and wool production. The parasite directly affects the health of an animal and causes anemia, hemorrhages, anorexia, weight loss and death of affected animal.
This study was designed to diagnose the Haemonchosis in sheep in and around Lahore. The accurate diagnoses of the parasite are important for its control and treatment. Direct smear, floatation technique and Polymerase Chain Reaction (PCR) were applied to check the sensitivity and specificity in diagnosing Haemonchosis in sheep. For this purpose 100 faecal samples were collected randomly from different areas of Lahore. Each faecal sample was examined by direct smear method and floatation technique. Out of 100 faecal samples 44 were microscopically positive. 30 by direct smear method and 44 by floatation technique.
Specific primers were designed to diagnose Haemonchosis in sheep by using ITS-2 Region. 44 microscopically positive samples were confirmed by PCR. 29 (66%) samples were found to be PCR-positive and 15 (34%) were found to be PCR-negative.
Several other species of parasites were also found during microscopic examination of faecal samples. Two samples wetre found positive for coccidial oocyst and seven samples were also positive for other nematodes along with Haemonchus spp.
Flotation technique was found to be superior in diagnosis of Haemonchosis as compared to direct smear.
Conclusion:
From current study it is concluded that Haemonchosis is widely prevalent in ovines. Its accurate diagnosis is essential for the treatment of infectious diseases and control of this parasite. Molecular technique has the advantage over conventional diagnostic techniques because PCR is more specific than conventional methods of diagnosis. According to the present study by conventional method there is 34% error chances to diagnose other Trichstrongylid eggs as Haemochus spp. The main advantage of using PCR as diagnostic test, are an increased speed of diagnosting the disease and its capability to notice low worm burden in small volume of faeces from individual animals.
Availability: Items available for loan: UVAS Library [Call number: 1809,T] (1).
34.
Vectorial Role Of Anopheles Subpictus By Using Poymerase Chain Reaction
by Shumaila Kausar | Prof. Dr. Kamran Ashraf | Dr. Aftab | Dr. Haroon Akber.
Material type: ; Format:
print
; Literary form:
drama
Publisher: 2014Dissertation note: Vector-borne diseases are among the major causes of illness, death and economic losses particularly in tropical and subtropical areas of the world. Mosquitoes are most important single group of insects, transmitting wide range of human diseases like malaria, Japanese encephalitis, dengue fever, yellow fever, filariasis and several other infectious diseases. Malaria is a major global public health problem. Several Anopheline species are prevalent in Pakistan among which Anopheles stephensi and Anopheles culicifacies are confirmed vector of Plasmodium. An. subpictus is a confirmed secondary vector of malaria in many countries. A wide range of this species is also distributed in Pakistan. The aim of the present study was to determine the vectorial role of An. subpictus in the transmission of malaria in Pakistan through microscopy and polymerase chain reaction (PCR).
After species identification, the mosquitoes were examined microscopically and were found negative for the presence of human Plasmodium sporozoites. The DNA extracted from An. subpictus was subjected to PCR but no Plasmodium specific amplification was observed. Keeping in view the sample size, it was concluded that further study is required with even large sample size before declaring that An. subpictus is not a vector of Plasmodium in Pakistan.
Availability: Items available for loan: UVAS Library [Call number: 1811,T] (1).
35.
Evaluation Of Insecticide Resistance And Biochemical Mechanisms In Anopheles Subpictus In District Kasur, Pakistan
by Huma Naeem | Prof. Dr. Kamran Ashraf | Dr. Imran Rashid | Prof. Dr.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2013Dissertation note: Mosquito are major vectors, considering the havoc they play by transmitting many diseases which have greatly affected human beings worldwide. The ecological, socioeconomic conditions of different regions and the emergence of insecticide resistance in main vectors are strongly responsible for determining the geographical distributions and incidence of vector-borne diseases. Among mosquitoes, Anopheles species are responsible for transmission of filariasis, Japanese encephalitis virus and malaria in subtropical region. An. subpictus is a confirmed vector in many countries of South and Southeast Asia. The present study was designed due to limited earlier records regarding insecticide susceptibility status of An. subpictus from district Kasur, Punjab. During the first half of the study, three insecticides i.e. DDT 4%, deltamethrin 0.05% and permethrin 0.75% were testing by using WHO susceptibility bioassay. A total approximately (n=1000) different types of mosquitoes were caught from district Kasur. Mosquitoes belonging to three genra Anopheles, Culex and Aedes were found in our collection. After species identification, An. subpictus was separated for further processing. It was highly abundant species among Anophelines species captured. Field collected adult blood fed females of An. subpictus was reared in the insectary for F1 generation. Two to three days old non engorged adults of An. subpictus were evaluated by using WHO susceptibility bioassays. Both male and female mosquitoes have shown resistance against all three insecticides tested. Probit analysis was used to check the time-response values. Percentage mortalities were recorded against DDT, deltamethrin and permethrin (mortality range 29.47 %-76.28 %.) with higher KT50 and KT95 values.Second half of the study was undertaken to quantify detoxifying enzymes in An. subpictus following WHO biochmical assays. Biochemical analysis of detoxifying enzymes in An. subpictus has revealed that there is significant alteration/elevation of metabolic enzymes when compared with the lab strain might be a contributing factor in conferring insecticides resistance. Elevated levels of GST (0.469 ± 0.115), MFOs (11.665 ± 4.165), ? esterases (1.5808 ± 0.7657) and ? esterase (3.9682 ± 2.311) were detected in An. subpictus. There was a significant high alteration of AChE enzyme activity detected in this species with 57.52% (± 9.234) mean percentage propoxur inhibition. These enzymes are implicated in the metabolism of DDT, pyrethroids and carbamate insecticides.
Availability: Items available for loan: UVAS Library [Call number: 1823,T] (1).
36.
Phylogenetic Analysis Of Local Isolate Of Canine Babesiosis
by Burhan-ud-Din | Dr Harron Akbar | Prof Dr | Prof Dr Azhar Maqbal | Faculty of Veterinary Science.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1859,T] (1).
37.
Benzimedazole Resistnace Against Haemonchus Contortus Through Evaluating B Tubulin Gene By Using Molecular Technique
by Abdullah Saghir Ahmad | Prof. Dr. Kamran ashraf | Dr.Jawaria ali | Dr.Muhammad imran rashid.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1890,T] (1).
38.
Cytochrome B Gene Amplification A Novel Approach For Diagnosis Of Theileriosis In Cattle Under Field
by Muhammad Faiz rasool | Prof. Dr.Kamran ashraf | Dr.Nisar ahmed | prof. Dr. Tahir yaqub.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1893,T] (1).
39.
Prevlence Zoonotic Potential Water Borne Transmission And Chemotherapy Of Cryptosporidiosis In Small Ruminants
by Muhammad Abubakar shafiq | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Dr. Muhammad Lateef.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1910,T] (1).
40.
Epidemiological Studies And Evaluation Of Anthelmintic Resistance Against Gastrointestinal Nematodes Of Sheep In Balochistan
by Hamdullah | Dr.Muhammad Lateef | Prof | Prof. Dr. Azhar maqbool.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 1960,T] (1).
41.
Comparative Efficiency Of Coprological Identificatiocn With Sensitive Detection Of Cryptosporidium By PCR In Domestic and Commercial Chickens
by Hafiz fahad nazir | Dr. Nisar ahmad | Prof DR. Azhar maqbool | Prof. DR. Aftab.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2010,T] (1).
42.
Detection And Chemotherapy Of Demodex Mite In Dogs In And Around Lahore
by Asim rasool | Dr. Nisar ahmad | Dr. Muhammad Haroon akber | Prof. Dr.
Material type: ; Format:
print
; Nature of contents: ; Literary form: Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2019,T] (1).
43.
Optimization Of Loop Mediated Isothermal Amplification Lamp Technique For The Molecular Diagnosis Of Surra In Domestic Animals
by Muhammad Saleem iqbal | Dr. Haroon akbar | Dr. Muhammad lateef | Prof. Dr. Asim.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2039,T] (1).
44.
Detection Of Vivax Malaria And Under Local Climatic Conditions
by Sarwat naz | Prof.Dr. Azhar maqbool | Prof. Dr. Mansur ud din ahmad.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2012Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2060,T] (1).
45.
Phylogenetic Analysis Of Plasmodium Species In Sparrows And Domestic Chicken
by Ghanwa ahmad | Dr. Haroon Akbar | Dr. Muhammad lateef | Prof Dr. Aftab.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2075,T] (1).
46.
Prevalence And Chemotherapy Of Canine Babesiosis
by Faisal Shrif | Dr. Nisar Ahmad | Dr. MUhammad | Prof. Dr. Azhar Maqbool.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2117,T] (1).
47.
Epidemiology Zoonotic Potential Haematology And Control Of Amoebiasis In Dogs And Humans
by Muhammad Azhar Alam | Prof. Dr. Azhar Maqbool | Dr. Muhammad Lateef | Prof. Dr.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2013Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2130,T] (1).
48.
Prevalence And Chemotherapy Of Trichostrongyloids In Camels In Charsada
by Muhammad Qasim | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Prof. Dr. Kamran Ashraf.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2131,T] (1).
49.
Development Of Molecular Tools For The Diagnosis Of Plasmodium Vivax Using Cytochrome C Oxidase Gene
by Ayaz Shaukat | Prof. Dr. Azhar Maqbool | Dr. Muhammad | Dr. Muhammad Imran Rashid.
Material type: ; Format:
print
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2153,T] (1).
50.
Dna- Based Methodology For The Identification Of Git Haemonchus Placci From Cattle Hosts
by Qasim Ali | Prof. Dr. Kamran Ashraf | Dr. Imran Rashid | Dr. Nauman.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2014Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 2154,T] (1).
