Abstract
Two different vaccination programs against chicken infectious bursal disease (IBD) were compared. Results showed the first program including IBD vaccination at 8 and 16th day old as well as ND vaccination(live attenuated and inactivated types ) give high antibody titers at 21 days post vaccination with significantly difference (P≤0.0005) in comparison with the second program including only IBD vaccine . serological antibodies titer were determined to study the correlation between two different programs using ELISA test. pathological changes in vaccinated groups reveals mild & moderate lesions appear in liver, spleen and bursa of fabriciusKey word : IBD,ND , vaccination , ELISA test ,Broiler , histopathology .
Publisher
College of Veterinary Medicine
Cited by
3 articles.
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