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KMID : 1023519980210020133
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Korean Journal of Veterinary Service
1998 Volume.21 No. 2 p.133 ~ p.139
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Changes of maternal antibodies in chicks vaccinated to breeder against infectious bronchitis, infectious Bursal disease, and Newcastle disease virus
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Koh Won-Seuk
Kim Tae-Jung
Lee Jeoung-Won
Seo Lee-Weon
Song Hee-Jong
Oh Un-Pyung
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Abstract
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Serum samples collected from 30 breeders and their progeny 30 chicks. The antibodies against infectious bronchitis(IB), infectious bursal disease (IBD) and Newcastle disease(ND) viruses were detected by ELISA using commercial ELISA kit. The breeders were vaccinated against IB, IBD and ND viruses according to general vaccination program. Geometric mean titers(GMT) of ELISA were monitored from 1-day old to 17-day old chicks and compared with breeder chickens. The GMT of ELISA to IB, IBD and ND were declined half level of the breeder antibody titer at 6-, 8- and 7-day old. And, the GMT of ELISA to IB, IBD and ND were declined than that of protective titer at 6-, 1-, and 4-day old. Thereafter, the GMT of ELISA was declined and disappeared according to ages of chicks. Taken together, this study led to conclusion that time-course of maternal antibody titers of chicks from vaccinated breeders, and this is very important data for vaccination to chicks.
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KEYWORD
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ELISA, Maternal antibody titers, Virus vaccine
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