Vol. 10, Special Issue 3 (2021)

Author(s):
J Venkatesh Yadav, M Lakshman and D Madhuri

Abstract:
A poultry farmer in Jeelakarragudem, of West Godavari District reported death of adult Rajasri birds of 16-18 weeks of age on every alternative day since 7 days @ 1-2 birds per day without any noticeable clinical signs except for anorexia, swollen abdomen. When examined by necropsy, the liver was greatly enlarged, pale with multiple, variable sized greyish-white, soft, smooth, raised, glistening tumours on the surface of the liver, occupying the entire abdominal cavity based on which it was diagnosed as Lymphoid Leukosis. So the cloacal samples of remaining birds were collected to check for infection and checked for p27 antigen by ELISA in commercially available ELISA kit and found the incidence rate @ 54.55%.