PREVALENCE OF DIFFERENT INFECTIOUS DISEASES OF BROILER CHICKENS IN SADAR UPAZILLA OF RANGAMATI

Abstract

The study was conducted during the period from 27th June 2010 to 26th August 2010 to determine the prevalence of infectious diseases in broiler chickens at Rangamati Sadar Upazilla, Rangamati. Diagnosis was made on the basis of clinical history, clinical findings and post-mortem lesions. A total of 71 broiler chickens were examined where the prevalence of colibacillosis was 29.58%, mycoplasmosis was 25.35%, omphalitis was 14.08%, IBD was 11.26%, coccidiosis was 9.86%, Salmonellosis was 2.84%, ND was 1.41% and mixed infection of IBD with coccidiosis was 5.64%. Highest number of cases was recorded in the age group of 8-14 days (43.66%), followed by age group of 15-21 (33.80%), 0-7 (21.13%) and > 21 (1.41%) days. Present study reflects collibacillosis and mycoplasmosis were the major problems for broiler production in the study area and hence farmers can not earn their profit perfectly