Vol. 11, Issue 12 (2022)

Author(s):
Ilaya Bharathi D, R Ravikumar and M Jothilakshmi

Abstract:
Chronic respiratory disease (CRD) is a highly contagious and economically important disease of poultry caused by Mycoplasma gallisepticum. The present study reports the outbreak of CRD in an organized native chicken fqarm of 1000 flock size. Based on the clinical signs and post mortem examination the affliction was tentatively diagnosed as chronic respiratory disease. Tracheal swab was collected from clinically affected birds and were sent for diagnosis based on culture and isolation of the organism and PCR at Central University Laboratory, Tamil Nadu Veterinary and Animal Sciences University. The birds were treated with Inj. Tylosin tartrate and Inj. oxyetracyclin followed by Tetracylin orally for 3 days. The farmer was advised to maintain proper bio-security measures and adequate ventilation.