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KMID : 1023519990220010037
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Korean Journal of Veterinary Service
1999 Volume.22 No. 1 p.37 ~ p.42
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Studies on the immunization against Newcastle disease virus in Ogol chicken
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Lee Jong-Hoon
Kim Young-Jin
Jung Young-Kyun
Jung Young-Jae
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Abstract
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This study was conducted to determine whether the vaccination programs for the control of Newcastle disease(ND) would affect the immune status of Ogol chicken in Yeonsan, Chungnam province. The results obstained are summerized as followes ; 1. Maternal antibody titers level of Ogol chickes was 2 . 2. The efficacy of the Newcastle spray and drinking water vaccine was evaluated by the antibody responses and the protection rates(over 90% ) after challenge with a virulent Newcastle disease vims at 14 days. 3. Spray vaccine caused on visible side reaction like respiratory symptoms, but it is declined of the 4~5 days.
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KEYWORD
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Newcastle disease, Ogol chicken, Spray vaccine, Antibody titer
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