1.
Study On Performance Of Broilers Under Different Intensities (Wattages) Of Light And Illuminated Feeders
by Afzal Sajid, M | Ch. Muhammed Saleem | Dr. Nisar | Muhammed Aslam Bhatti.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1988Dissertation note: The study was aimed to find out the effect of different light intensities (wattages) on weight gain, feed consumption feed conversion ratio, dressing percentage, mortality and abnormalities in broiler chicks. 120, one day old chicks were selected and divided randomly in four groups of 30 chicks each. The following light treatments were provided to the chicks of the Groups A,B,C and D. (A) 40 watt bulb at night and natural day light (B) 25 watt bulb at night and natural day light (C) 15 watt bulb at night and natural day light (D) Spot-lighted feeders with 5 watt bulb at night and natural day light. Each chick was given 0.8 sq. ft. floor space. Feeding and watering were provided ad.lib. under indentical managemental conditions.
Weekly data starting from 4th week onwards revealed that at 4th week of age there wa non-significant difference in weight gain, feed consumption and feed convertion ratio among the four treatment groups. Significant differences in weight gai and feed conversion ratio and non-significant differences in feed consumption were noticed among the groups at 8th week of age.
The results indicate that birds of Group A due to more activities under high wattage gained least weight i.e. 1.6937 Kg and sonsumed more feed i.e. 4.8017 Kg and showed poorest feed conversion ratio i.eo 2.84 as compared to the birds of rest of three groups, i.e. B, C and D. The birds of Group B gained less weight i.e. 1.7343 Kg, consumed more feed i.e. 4.7983 Kg and showed poorer feed conversion ratio i.e. 2.77 than the birds of Group C and D. The birds of Group C gained less weight, i.e. 1.8293 Kg consumed more feed i.e. 4.6733 Kg and showed poor feed conversion ratio i.e. 2.55 when compared with the birds of Group D but showed better performance tha the birds of Group A and B. The birds of Group D gained significantly more weight (P<0.05) i.e. 1.8567 Kg, at low feed intake i.e. 4.6510 Kg and showed significantly better feed conversion ratio (P<0.05) i.e. 2.50 as compared to the birds of Group A and B, as the light intensity (wattage) available to the birds of Group D was very low, hence there was less activity due to less movement, as compared to Group A,B and C. Therefore, the birds of Group D converted more available energy into weight gain and showed best performance as compared to other three groups i.e. A, B and C.
Dressing percentage recorded after 8th week of age was 61.85% 62.24% 62.86% and 63.11% for Group A, B, C and D respectively. A non-significant difference was observed among all the groups.
There was no mortality throughout the experimental period and apparently no considerable abnormality was observed.
Availability: Items available for loan: UVAS Library [Call number: 0016,T] (1).
2.
Stuies On The Histopathology And Haematology Of Experimentally Induced Avian Leucosis
by Afzal Ch., M | Muhammed Tufail Khan | Not Available | Faculty of Veterinary Sciences.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1970Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0126,T] (1).
3.
Studies On The Occurrence Of Rabies Virus In Saliva Of Apparently Normal Dogs In Lahore
by Aftab-ur-Rehman | Ata-Ur-Rehman Rizvi | Muhammed Ajmal | Faculty of Veterinary Sciences.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1985Dissertation note: Rabies, is invariably a fatal viral infection of Central Nervous System effecting almost all species of warm blooded animals and man. The disease is causing considerable loss of human and animal life in the country. Sporadic cases of rabies occurred throughout the year, but during the Spring and fall the disease assumes an epidemic form. How the disease perpetuates in nature is not yet clearly understood as mortality rate is almost 100% in affected animals. Some references were available in the literature regarding the possibility of existence of survivors and carriers of' rabies in different animal species.
In order to understand the epidemiology of disease an attempt was made, in the present work, to look for the possibilities of existance of carriers among dog population in the city.
A total of 214 apparently healthy domestic dogs together with 100 stray dogs were tested for the presence of rabies antigen in the salivary gland and brain by Fluorescent antibody test. In case of stray dog rabies antigen was detected in 5 animals including 2% animals secreting virus in salivary gland and 3% animals with antigen both in salivary gland and brain, while in case of domestic do6 animals showed rabies antigen in saliva and 4 animals both in saliva and brains.
Simultaneously 48 cases suspected for rabies including 3 carcases, one cat two dogs and one human brain were also examined for rabies antigen and 50% cases were found positive.
The presence of rabies antigen in the saliva of 2 stray dogs and 2 domestic dogs was highly significant of the carrier role of dogs in rabies. Further work on much larger scale were recommended.
Availability: Items available for loan: UVAS Library [Call number: 0194,T] (1).
4.
Studies On The Use Of Rice Gluten Meal As Protein Supplement In Broiler Rations
by Basharat Ali | Muhammed Yaqoob Malik | Muhammed | Nisar ahmed Mian.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1992Dissertation note: Proteins are one of the major components of poultry feeds, supplied mainly through animal and vegetable protein supplements. Rice gluten meal, a vegetable protein supplement is the byproduct of starch industry, left after the starch is washed out of rice tips flour. It is insoluble in water and greyish (beige) in colour. It has 43% crude protein and 3300 k.cal/kg. energy. On the basis of high protein and energy it could be used in the poultry feeds. The meal is commercially available in the country.
The present study was planed to find out the effect of feeding different levels of rice gluten meal on the growth rate and feed utilization of broiler chicks and to determine the effect of different amino acids supplementation and mechanical treatment on the nutritive value of rice gluten meal. Two experiments were conducted using day old Hubbard' broiler chicks as the experimental birds.
In the first experiment RGM was used at different levels substituting soybean meal on protein equivalent basis. The results indicated that the best growth rate and feed consumption of the chicks were observed in the ration containing 10% RGM. However, there was a progressive decrease in the weight gain of the chicks when RGM level was increased beyond 15%. The chicks growth depression was the highest (P<0.01) when RGM was used as sole source of protein. The best chicks growth performance of the ration containing 10% rice gluten meal and 25% soybean meal might be due to complimentary effect of amino acids of the two vegetable protein sources, while the poor chicks growth performance and feed consumption on account of feeding higher levels (30 and 38%) of RGM might be due to the poor quality of protein or growth inhibitory factor(s) in the indigenous rice gluten meal. The feed efficiency of the chicks was also significantly (P<0.01) lower when RGM was used as the sole source of protein. A similar trend as that of weight gain was observed in carcase weight of the chicks fed different experimental rations. A significant (P<0.01) hypertrophy of the pancreas was recorded in the chicks fed ration (G) containing the highest level of RGM as compared to the control. This indicated the presence of some growth inhibitory factor(s) in the indigenous rice gluten meal.
In the second experiment effect of lysine and methionine supplementation and autoclave treatment on the inutritive value of rice gluten meal was studied. The lysine supplementation of RGM significantly improved the growth rate, feed consumption and feed efficiency of the chicks as compared to the control indicating that the meal was deficient in lysine. A further significant (P<0.01) improvement was observed in growth rate, feed consumption and feed efficiency of the chicks fed lysine supplemented and autoclaved RGM ration as compared to the control indicating that autoclave treatment might have removed or reduced the antinutritional factor(s) of RGM whereas the deficiency of lysine was compensated through synthatie lysine supplementation. There was no significant improvement in weight gain, feed consumption and feed efficiency of the chicks fed ration containing lysine + methionine supplementation as compared to the ration containing lysine supplementation. This showed that RGM was not deficient in methionine. A similar trend as that of weight gain was recorded in carcase weight of the chicks fed different experimental rations. There was observed a significant (P<O.05) decrease in pancreas hypertrophy in the chicks fed lysine supplementation and autoclaveci RGM ration as compared to the control indicating that autoclave treatment might have removed or reduced the growth inhibitory factor(s) of RGM.
CONCLUSION
Rice Gluten Meal (RGM) was deficient in lysine and contained some growth inhihitroy factor(s).
Autoclaving and lysine supplementation in rice gluten meal improved the nutritive value of the meal as indicated by better growth rate and best feed utilization for broilers.
Availability: Items available for loan: UVAS Library [Call number: 0249,T] (1).
5.
A Study On The Normal Blood Picture Of Buffaloes In Lahore
by Ata ur Rehman Rizvi, Syed | Muhammed Irfan | Not Available.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1973Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0277,T] (1).
6.
Effect Of Substition Of Wheat Bran With Dried Citrus Pulp In The Fattening Ration Of Male Buffalo Calves
by Shabbir Shahid, M | Nisar Ahmed | Ikram-ul-Haq | Muhammed Yaqoob Malik.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1993Dissertation note: There has been a gradual decline in the per capita availability of proteinous food particularly of animals origin for human consumption in our country. The feasible solution of the problem of meat shortage is to increase the production of meat by fattening the male buffalo calves which are available in our country. These are sold at lower rate when they are weaned. These calves could be fattened by using the cheaper sources of agriculture by-products available in our country. Due to an increased competition between the animals and human being for the consumption of cereal grains it is very necessary to explore possible utilization of agro-industrial wastes/by-products for animal, feedings. Citrus pulp is a by-product of citrus fruit industry which has received a significant consideration as a feed ingredients for ruminants in present situation. Citrus pulp is an adequate energy source, if adequate protein is provided (Michelena, J & Pereiro, 1983). Keeping in view the importance of energy in nutrition and high prices of conventional energy sources in the country the experiment was planned to explore the possibilities of using citru pulp as source of feed ingredients in the fattening ration of male buffalo calves.
A fattening trial was conducted on 4 groups of 20 male buffalo calves to study the effect of replacement of wheat bran with dried citrus pulp at 33.33, 66.66% and 1.00% level. The experiment was continued for 91 days. Feed consumption, weight gain, feed efficiency and digestibility of different nutrients in the animals were recorded. Economics of fattening rations was also studied.
The results of the study revealed non-significant differences in weight gain, feed efficiency and feed consumption but apparently the animals fed on ration A (control) showed better feed intake as compared to calves fed on ration B, C and D. The digestibility trials revealed that there was statisticaly significant difference in digestibility of dry matter, crude protein, crude fiber, among ether extract. The rat in D in which wheat bran was replaced with 100% dried citrus calculated as most economical as compared to ration A, B and C in the fattening of male buffalo calves.
Availability: Items available for loan: UVAS Library [Call number: 0313,T] (1).
7.
Studies On The Anaerobic Flora Of The Camel Intestine
by Saeed Akhtar, Lodhi | Ata-Ur- Rehman Rizvi | Muhammed | Muhammed Naeem | Faculty of Veterinary Sciences.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 1993Dissertation note: The study was undertaken to determine the anaerobic intestinal flora of camel. Anaerobic organisms are a part of the normal flora of animal intestine. Under condition of stress and intestinal stasis bacteria multiply at a very rapid rate and produce intestinal disorders and other diseases.
The sample of intestinal contents were collected from 100 apparently healthy camels slaughtered at Lahore abattoir. Anaerobic organisms belonging to different species were isolated from 55 out of 100 animals examined. Based upon morphological, colonial and biochemical characteristics these isolates were
identified as clostridium perfingens 29 (29%) Clostridium sporogenese 10 (10%), Clostridium tetani 4 (4%), Clostridium chauvoei 2 (2%), Clostridium botulinum 3 (3%), Clostridium bifermentans 5 (5%), Clostridium septicum 2 (2%). Pathogenicity of the isolates was determined in mice and it was observed that 15% of the samples were pathogenic. Out of the different species isolated 38% clostriadium perfringens and 100% Clostridium tetani were found pathogenic. Pure culture of isolated organisms were Qbtained from liver, tissues and blood of the inoculated mice.
Since clostridia possess the ability to invade the animal tissue under condition of stress it is suggested that proper prohylactic measures should be adopted to protect the animal from these diseases. High incidence of clostridia in slaughtered camel is alarming. Appropriate hygienic measures are needed to be adopted. A little literature is available on this topic and it requires a series of investigations to get a complete picture of anaerobic organisms present in gastro intestinal tract.
Availability: Items available for loan: UVAS Library [Call number: 0338,T] (1).
8.
Effectis Of Supplementation Of Phytase On Growth Performance And Mineral Utilization (Ca, P & Zn) In Japanese Quail
by Muhammed Arshad Shad | Dr. Saima | Prof. Dr | Prof. Dr. Talat Naseer Pasha.
Material type: ; Format:
print
; Nature of contents: ; Literary form: Publisher: 2008Dissertation note: Two third of phosphorus present in poultry diets is in bound form (Phytate P) and is predominantly not available to poultry, as non ruminant species lack sufficient endogenous phytase activity. Phytate probably compromises the utilization of protein/amino acids, energy and minerals including calcium, ferrous, zinc, magnesium, potassium & many others and can contribute to mineral deficiencies. Dietary inclusion of phytase enzyme economically generates blo-available phosphorus and reduces the Phosphorus load on the environment. Phytase is the requisite enzyme to degrade phytate and notionally phytase has the capacity to hydrolyze the phytate and release inorganic Phosphorus.
Keeping this thing in view a 28 day long feeding trial was planned. A total of 900 day old Japanese quail chicks were randomly assigned to 6 dietary treatments each having 10 replicates of 15 birds. Six corn soybean based diets (A & B) were formulated in such a way that they contained similar levels of CP and ME (24% & 2900 kcal/kg) but were different in Phosphorus & Calcium levels. Diet A was in accordance with the nutritional requirements of Japanese quail as specified in NRC (1994) whereas, diet B had lower levels of total Phosphorus and Calcium(0.20% and 0.15% less relative to diet A respectively). Five levels of phytase enzyme (250, 500, 750, 1000 FTU/kg of feed) were added to diet B to obtain diets C, D, F and F, respectively. Body weight gain, feed consumption, FCR, plasma calcium and phosphorus, zinc retention, keel /shank length, dressing %, tibia ash%, toe ash%, deficiency symptoms, mortality % and economics of all experimental rations were the parameters considered. The data thus obtained were subjected to statistical analysis using Analysis of Variance (ANOVA) Technique. The difference among the treatment means were tested by Duncans's Multiple Range (DMR) Test.
The results of the experiment revealed that body weight gain, feed consumption, FCR, plasma calcium and phosphorus, keel /shank length, dressing %, tibia ash% and toe ash% of groups E and F were significantly higher than group B, C and D, (P<0.05).The performance of group E and F was comparable with that of group A (+ve control). No significant difference was observed between these groups.
As far as deficiency symptoms and mortality is concerned, a large number in the groups B (39.30%), C (2 1.33%) and D (16.00%) was found suffering from leg weakness, swollen joints and crippled legs. A higher mortality rate was also recorded in these groups (4.67%, 3.33% and 2.67%, for groups B, C and D, respectively). Very less number of birds showed the above mentioned signs in groups A (0%), E (8.67%) and F (3.33%), similarly mortality percentage in these groups also remained considerably low (1 .33%, 2.67% and 2.00% for groups A, E and F, respectively).
Data pertaining to economics of the experiment revealed a considerably low cost of feed/kg of the group F than all the other treatment groups. The difference between group F and A was calculated as Rs. 1.89. A large amount can be saved as profit if diets are formulated with out DCP and are supplemented with phytase ensuring optimum utilization of phytate.
From the results of above experiment it is concluded that phytase supplementation ensures phytate degradation making available, the minerals and other nutrients chelated to it. Phytase supplementation not only facilitates the feed formulatin but also make possible the inclusion of ingredients which contain anti nutritional factor named, "phytate". This consequently results in considerably improved performance and ultimately higher profitability of the farm.
Availability: Items available for loan: UVAS Library [Call number: 1038,T] (1).
9.
Comparative Study On Physico-Chemical ,Microbiological & Chemical Adulterants Of Raw & Processed Milk.
by Qasim Raza | Prof.Dr. Muhammed Ayaz | Prof. Dr Muhammed Abdullah.
Material type: ; Format:
print
; Literary form:
not fiction
Publisher: 2009Dissertation note: Milk production, handling, storage, transportation and marketing of milk is handled in a primitive way in Pakistan. Mostly middle man and contractors are involved in the collection, marketing and distribution of milk. Most of the milk is produced in rural sareas and transported to cities where it is supplied to milk plants and also to house consumers. During transportation and distribution there is no refrigeration involved. Middle man adds ice to keep the milk cool and prevent from spoilage. In addition, they also add chemical to kill bacteria and prevent spoilage of milk.
Adulteration of milk is one of the most serious issue in the dairy sector of Pakistan, causing not only major economic losses for the processing industry, but also major health risks for the consumers. Milk is a perishable item and to prevent the spoilage of milk various chemicals are added. In addition to that microbiological quality of milk is very important which directly concern not only with milk spoilage but also consumer health
Keeping in view this study the main object of this study is to determine the hysico-chemical, microbiological and adulterants in raw and processed milk available in Lahore. The raw milk samples ware collected from local market of Lahore city Gawalas, Retail milk shops, Small Dairy Farms sale points and Milk Plants collection centers. A total of 80 samples of raw and 40 samples of processed milk were collected from Lahore
Raw milk samples were collected from Retail milk shops and Gowalas at four different locations of Lahore city i.e. Defence, Allama Iqbal Town, Samanabad and Inside the wall city, from Small Dairy Farms sale points Sakhian pul and Shadera Town areas. Five samples were also collected from experimental dairy farm of UVAS and collection centers of 4 companies.
UHT and Pasteurized milk samples of five different brands were collected from Lahore. A total of 120 milk samples were collected for Physico-chemical, Microbiological and Chemical Adulterants study.
Physico-chemical, microbiological analysis and adulterants detection tests were performed in WTO Laboratory , University of Veterinary and Animal Sciences, Lahore. Color, Taste and flavor of most of the samples were found normal in color, taste and flavor except a few samples of raw milk from shops and Gawalas. Temperature of raw milk was ranged from 4.80±0.096 °C to 30.48±0.611 °C. UHT brands were at ambient temperature and Pasteurized milk brands were stored at refrigeration temperature.
Density in raw milk was ranged from 18.100±0.575 to 27.738±0.16203, lowest in Gawalas and highest in UVAS Dairy. In UHT milk ranged from 26.142±0.088 to 28.222±0.3 15 and in pasteurized milk ranged from 26.280±0.527 to 27.377±0.147.
The highest mean of freezing point recorded was -0.325±0.0 10 °C in Gawalas and lowest -0.542±0.003 °C observed in UVAS Dairy milk. URT milk ranged from -0.487±0.006 °C to -0.463±0.007 °C and in pasteurized milk brands ranged from -0.480±0.002 °C to - 0.455±0.008 °C.
Fat in raw milk ranged from 4.038-0.056% to 6.340±0.060% lowest was in shops and highest in UVAS Dairy milk. UHT fat ranged from 3.472±0.006% to 3.492±0.006% and in Pasteurized milk fat ranged 3.452±0.020% to 3.495±0.005%.
SNF in raw milk ranged from 5.386±0.13745% to 8.226±0.026% lowest in Gawalas and highest in UVAS Dairy. In UHT milk fat ranged from 7.465±0.033% to 8.082±0.09151% and in Pasteurized milk SNF ranged from 7.563±0.125% to 7.905±0.023%.
Protein in raw milk ranged from 2.131±0.060% to 3.162±0.017%, lowest was in shops and highest was in UVAS Dairy. In UHT milk protein ranged from 2.99 1±0.026% to 3.2 10±0.038%, in Pasteurized milk protein ranged from3.001±0.053 to 3.146±0.009. Lactose in raw milk ranged from 2.768±0.067% to 4.364±0.041%, lowest was in Gawalas and highest in UVAS Dairy. In UHT milk lactose ranged from 3.827±0.011% to 4.107±0.050%, in Pasteurized milk lactose ranged from 3.870±0.070 to 4.020±0.044.
Ash in raw milk ranged from 0.512±0.017% to 0.786 ±0.004%, lowest was in Gawalas and highest in UVAS Dairy farm. In UHT ash ranged from 0.698±0.0 1 1% to 0.739±0.007%, in Pasteurized milk ash ranged from 0.689±.008% to 0.739±0.007%.
Water added in raw milk ranged from 0 to 36.527±1.945%, lowest was in UVAS Dairy farm and highest Gawalas milk. In UHT water added ranged from 5.939±1.094% tol2.229±0.407% in Pasteurized milk water added ranged from 6.975±0.045% to 12. 150± 1.769%.
pH in raw milk ranged from 6.726±0.019 to 7.052±0.027, lowest was in UVAS Dairy and highest was in Gawalas milk, In UHT milk pH ranged from 6.839±0.019 to 6.870±0.0 19, in Pasteurized milk pH ranged from 6.800±0.024 to 6.886±0.03 1.
Acidity in raw milk ranged from 0.147±0.001% to 0.161±0.000%, lowest was in Gawalas and highest was in Dairy plant collection centers. In UHT milk acidity' ranged from 0.158±0.003% to 0.161±0.003% and in Pasteurized milk acidity ranged from 0.158±0.003% to 0.161±0.003%.To study the microbiological quality, total plate count (TPC), coliform count and S. aureus count were made.
TPC in raw milk ranged from 2.9 x iO± 2.2 x i04 to 1.7 x l0 ± 8.1 x 10± 8.1 x 106. Lowest was in UVAS Dairy farm and highest was in Gawalas milk, in Pasteurized milk TPC ranged from 5.0 x 10±l .2 x i04 to 6.8 x 10±2.3 x 104.
Coliform count in raw milk ranged from 3.1 x i0± 3.0 X 102 to 4.4 x i05 ± 4.3 X i03.
Lowest was 3.1 x i± 3.0 X 102 in UVAS dairy farm and highest was in Gawalas milk.
In Pasteurized milk Coliform count ranged from 58±3.856 to 344±161.272.
Staph aureus Count in raw milk ranged from 6.4 X l0±6.7 X 102 to 8.7 X 10±2.2 X i0
Lowest was in UVAS Dairy farm and highest was in Shops milk, in Pasteurized milk Staph aureus Count ranged from 61.87lO.901 to 276.62±105.178.
All UHT brands were found negative for TPC, Coliform count and Staph aureus count.
The qualitative tests adulterants were performed by (M.A.T). Kit.
In raw milk the major adulterants found were Urea, Formaldehyde, Hydrogen peroxide,
Neutralizers, Boric acid and QAC. All adulterants were found negative in the milk of
UVAS dairy farm.
In UHT and Pasteurized brands the adulterants found were Salt, Sugar, Starch and
Hydrogen peroxide.
Conclusion
On the basis of present finding, it is concluded that multiple factors can markedly affect the quality of milk. Water addition was one of the major adulteration present in every step of milk marketing. All the raw milk samples were found inferior for their Phsicochemical quality. In processed milk the fat percentage was in the normal range while other parameters were inferior. Microbiological contamination was also higher in raw and pasteurized milk samples. Adulteration of milk with chemicals such as caustic soda, urea, formalin, hydrogen peroxide, sugar and salt were also detected in raw and processed milk. The high microbiological contamination and presence of chemical adultrants in raw and processed milk showed that the milk constitutes a potential public health hazard.
Availability: Items available for loan: UVAS Library [Call number: 1062,T] (1).
