Three Infectious Bronchitis Virus strains H 120 ,H 52 ,MA 5 were analyzed by the IBV NDV interference test 1)Whether to be active or inactive,IBV can interfere the HA activity in embryonating chicken eggs(EcE) reinoculated with NDV strain.
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释义
IBV毒株H120、H52、MA5对NDV-LaSota的干扰实验证明IBV特异性干扰NDV增殖。 1)采取不同顺序的同胚接种法:IBV接种之后再接种NDV;
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