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Isolation and Identification of Avian Infectious Bronchitis Nephritis Virus
Author(s): CHEN Ping, WANG Hong-ning, CHEN Jun-jie, HU Hui-qiong, ZHOU Sheng, YU Zu-hua
Pages: 94-
95,103
Year: 2005
Issue:
3
Journal: HUBEI AGRICULTURAL SCIENCES
Keyword: 鸡传染性支气管炎病毒; 分离; 鉴定;
Abstract: 通过鸡胚接种盲传,从重庆某地疑似鸡肾型传染性支气管炎的发病鸡群中,分离到一株病毒,该病毒能导致鸡胚出现侏儒胚.用此病毒回归10日龄雏鸡,可使试验鸡出现典型的花斑肾.尿囊液毒(36~48 h)经差速离心和不连续蔗糖密度梯度离心纯化,在电镜下能观察到典型的冠状病毒形态,病毒粒子直径为80~120 nm,有囊膜、纤突.应用反转录-聚合酶链式反应(RT-PCR)技术扩增出了该病毒的特异性基因M和N,这从分子水平进一步证实引起鸡群死亡的病毒为鸡传染性支气管炎病毒.
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