The effects of early and/or late Gumboro vaccination ...
|Title||The effects of early and/or late Gumboro vaccination on the immunity of broilers to Newcastle disease virus|
|Author(s)||J. B. C. Emenike, A. Oyejide, B. O. Ikede|
|Journal||Bulletin of Animal Health and Production in Africa|
|Abstract||This study was designed to evaluate and compare the humoral immune response of broilers to Newcastle disease vaccine and virus challenge following day old and/or day 21 vaccination with the Nigerian (Vom)-produced attenuated infectious bursal disease vaccine. The study showed that 2 doses of infectious bursal disease vaccine at days 0 and 21 rather than one single dose at either day 0 or day 21 was more beneficial to the broiler fowl with specific reference to humoral immune response to Newcastle disease virus..|
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