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Antigenic Relatedness Of Caecal Eimeria Species In Broilers By Sds-Page

by Muhammad Tayyub | Prof. Dr. Kamran Ashraf | Dr. Aftab | Dr. Nisar Ahmad.

Material type: book Book; Format: print 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).

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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: book Book; Format: print ; Literary form: not fiction 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. Availability: Items available for loan: UVAS Library [Call number: 1274,T] (1).

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Vectorial Role Of Anopheles Subpictus By Using Poymerase Chain Reaction

by Shumaila Kausar | Prof. Dr. Kamran Ashraf | Dr. Aftab | Dr. Haroon Akber.

Material type: book Book; 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).

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