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PREVALENCE OF BOVINE AND AVIAN TUBERCULOSIS IN CALVES OF CENTRAL CATTLE BREEDING AND DAIRY FARM, SAVAR, DHAKA (Pages : 5 - 12)

M.K. HASAN, M.M. RAHMAN, J.J. KISKU, M.B. RAHMAN, M.M. RAHMAN AND M.M. RAHMAN

An attempt was undertaken to investigate the occurrence of bovine and avian tuberculosis in calves at Central Cattle Breeding and Dairy Farm, Savar, Dhaka. A total of 183 calves were screened for bovine and avian tuberculosis by caudal fold tuberculin (CFT) and comparative cervical tuberculin (CCT) tests. The percentages of responders to CFT test in calves were 12.02%. The overall percentages of reactors to CCT test in calves were 10.92%. In CCT test the reactors were 6.56% for bovine tuberculosis, .0546% for avian tuberculosis and 3.83% for mixed type respectively. Among the 183 calves with a percentage of 13.89 were found as positive in the age group between 7 months to 12 months, with a percentage of 8.62 were found as positive in the age group between 13 months to 18 months and in 19 months to 24 months no calves were found positive by CCT test in this study. The male calves (12.698%) showed more positive to tuberculosis than the female calves (11.666%) of the same area in Caudal Fold Test (CFT) and in Comparative cervical tuberculin (CCT) test the male calves (11.11%) again showed somewhat higher percentage than female calves (10.83%). The study indicates that bovine and avian tuberculosis may cause dangerous effects on human health as well as livestock of Bangladesh so its prevention and eradication steps must be taken without any delay.Download


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