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KMID : 0359320010410020197
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Korean Journal of Veterinary Research
2001 Volume.41 No. 2 p.197 ~ p.202
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Control of swine respiratory disease using egg yolk antibodies
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김종만/Kim, Jong Man
최인수/유한상/신나리/Choi, In Soo/Yoo, Han Sang/Shin, Na Ri
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Abstract
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Although several methods have been developed and applied to control swine respiratory diseases, the disease induces severe economic impact to swine industry worldwide. As one of the new trials, application of egg yolk antibody(IgY) was attempted for the purposes and immune response in sera and egg yolk was analysed with ELISA in previous study. In this study, immunological specificity of the IgY was analysed by Western blot analysis. In the analysis of causative agents of atrophic rhinits, B bronchiseptica and P multocida 4D, proteins of 33, 40, 43, 67 and 141 kDa were specifically reacted with IgY Also, 40 and 110 kDa proteins were identified as the major immunogens in P multocida 3A. In A pleuropneumoniae serotypes 2 and 5, 40 kDa and 47 kDa proteins were found to be the major reactive ones. These results suggested that egg yolk antibodies from immunized hens was specific with antigens injected into hens and partially purified antigens, outer membrane proteins and dermonecrotic toxin, were more effective than bacterin for the production of specific antibody.
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