INCIDENCF, OF INFECTIOUS BURSAL DISEASE IN KEKALA DURING THE PERIOD 1994-95*

Abstract

During the period 1994-95 a total of 230 samples including 140 pooled serum and 90 bursae were collected froth poultry flocks suspected to have been suffering trout infectious bursal disease. Out of the 230 samples 74 (32%) were positive for IBD by agar gel diffusion test. 2R (39%) out of 74 samples were from apparently healthy birds indicating subclinical infection. The district-wise distribution of positive cases were 43%, 30%, 28% turd 26%. in Ernakulam, Thrissur, Palakkad turd other districts respectively.