A CLINICAL REPORT ON PREVALENCE OF POULTRY DISEASES AT CHITTAGONG REGION IN WINTER SEASON

Abstract

A study was undertaken to determine the occurrence of various infectious diseases in poultry farms of Chittagong region during the period from 21th October, 2010 to 20th January, 2011. Disease diagnosis was conducted on the basis of history, clinical findings and post-mortem lesions. Birds taken from 78 broiler farms and 05 layer farms were examined during the study. Incidence of Collibacillosis was 12 (14.45%), Coccidiosis 11 (13.25%), Mycoplasmosis 09(10.84%) ,Gumboro 11 (13.25%), Salmonellosis 03 (3.61%), Omphalitis 4 ( 4.81%), Newcastle diseases 05 (6.02%), brooder pneumonia 03 (3.61%), & Necrotic enteritis 07(8.43%) found in flocks. Mixed infection found with of Collibacillosis & Coccidiosis 05 (6.02%), Mycoplasmosis and collibacillosis o5(6.02%). Chronic respiratory diseases o6 (7.23%) in flocks. 02 farms (2.42%) showed no diseased condition during this study. Gumboro, Collibacillosis, coccidiosis and mycoplasmosis was identified on the major problem for broiler farming .Salmonellosis, infectious bursal disease (IBD), Newcastle disease (ND) remarked on the great constraint for layer flock particularly in 27th, 18th and 9th weeks of age respectively.