YOLK INOCULATION IN GUMBORO INFECTED CHICKEN.

Document Type : Original Article

Authors

1 Department of Poultry Dis., Fac. Vet. Med., Cairo Univ., Egypt.

2 Department of Virology., Fac. Vet. Med. Cairo Univ., Giza, Egypt.

Abstract

Hundred and twenty chicks of 42 day old were divided into 8 groups, 3 of them were infected and treated with dilutions 1/10, 1/100  And 1/1000 of yolk from immune dams as compared to 3 other parallel groups treated with  yolk from non-immune dams. Infected nontreated group and non-infected nontreated group were kept as controls for the experiment. Clinical signs, mortaity seroconversion and bursal body weight ratio were measured . The different parameters were presented and effect of yolk inoculation from immune dams on the course of ‘the bursal body weight ratio, mortality rate and Gumboro infection was discussed.

Main Subjects