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Investigation of Prevalence and Risk Factors of Infectious Bursal Disease in Broiler Chicken at Selective areas of Barishal Region in Bangladesh

Investigation of Prevalence and Risk Factors of Infectious Bursal Disease in Broiler Chicken at Selective areas of Barishal Region in Bangladesh

Dipa Rani Pal*, Injamamul Haque Rasel, Tarun Chandra Mondal, Mohammed Lalmoddin Mollah and Shampa Rani 

Patuakhali Science and Technology University, Bangladesh.

*Correspondence | Dipa Rani Pal, Patuakhali Science and Technology University, Bangladesh; Email: [email protected]

ABSTRACT

The present study was carried out to estimate the prevalence, mortality and pathological changes of infectious bursal disease (IBD) in broiler chicken of Barishal region in Bangladesh. A total of 45 broiler farms of Barishal division were observed for the determination of infectious bursal disease (IBD) during the period of 1st July 2023 to 30th June 2024. Based on history and postmortem pathological lesions the overall prevalence of IBD was 15.10%. The major pathological lesions observed in this study were hemorrhages on thigh and breast muscles, swollen kidneys and principal findings were in the bursa of fabricious which appeared inflamed, edematous, hyperaemic and finally hemorrhagic and atrophied. The prevalence of IBD was 13.28%, 13.33%, 19.48% and 14.30% in Banaripara, Nesarabad, Babugonj and Barishal sadar respectively. The overall mortality was 4.46%. The mortality was 4.29% in Banaripara, 4.93% in Nesarabad, 4.70% in Babugonj and 3.91% in Barishal sadar upazila. The highest prevalence was found in Babugonj upazila and lowest was found in Banaripara upazila. The highest mortality was found in Nesarabad. The study also showed that the broilers of four weeks of old were highly susceptible to IBD (53%) whereas in third weeks 12%, in fifth weeks 28% and in sixth weeks 7% and the broilers of two weeks of age were not affected with IBD. The main risk factors of IBD were season, age of birds, lack of immunization plans, biosecurity measure and inadequate management practices.

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Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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