Vol. 11, Issue 12 (2022)

Author(s):
Dr. S Chitradevi

Abstract:
The present study was undertaken to ascertain the disease prevalence in desi chicken in Coimbatore District of Tamil Nadu from 2016 to 2021. A total of 220 desi chickens were brought to Veterinary University Training and Research Coimbatore for postmortem examination. The diagnosis was made based on history, clinical signs, gross lesions observed during necropsy examination, microsopic and histopathological examination. The flock size varied from 20 to 1500 numbers with 15 days of age to two years. Out of 220 desi birds examined, the majority of birds were affected by Newcastle disease (25.45%) followed by respiratory infection (12.73%), Coccidiosis (12.27%), Colibacillosis (6.82%), pecking (6.82%), Gastro intestinal parasitism (6.36%), Fowl cholera (5.45%), Fowl pox (4.55%), Heat stress (3.92%), Enteritis (3.92),Gizzard erosion (3.43%), Viseral gout (3.18%), Lymphoid leukosis (2.73%), Infectious bursal disease (1.82%), Prolapse and egg bound (1.82%), Fatty liver haemorrahgic syndrome (1.36%) and Ascites (0.91%). Desi chicks in the age group of 0-8 weeks showed high prevalence (53.63%) of disease followed by the birds in the age group of 9-18 weeks (32.72%). Adult birds more than 18 weeks of age were the least affected (13.63%) in this study.