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KMID : 0359319680080010024
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Korean Journal of Veterinary Research
1968 Volume.8 No. 1 p.24 ~ p.30
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Studies on the Avian Infectious Bronchitis Virus
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Abstract
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From 1962 to 1968, serum samples were collected from fowls of six provinces in Korea. The investigator tested for serum neutralizing antibody against the Beaudette strain of infectious bronchitis virus.
Twenty(40 percent)serum samples out of fifty revealed a neutralization index of more than 30. Neuralizing antibodies of infectious bronchitis virus are widely spread among chickens in Korea. Intensive poultry farming zones, adult chickens have been neutralizing antibody of infectious bronchitis virus
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