| 鸡传染性法氏囊病毒超强毒株的分离及生物学特性鉴定 |
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| 引用本文： | 邱冬,贾华强,邢丽娟,崔尚金.鸡传染性法氏囊病毒超强毒株的分离及生物学特性鉴定[J].中国动物检疫,2003,20(2):23-24. |
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| 作者姓名： | 邱冬 贾华强 邢丽娟 崔尚金 |
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| 作者单位： | 中国农科院哈尔滨兽医研究所,黑龙江,哈尔滨,150001 |
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| 摘 要： | 用SPF鸡及鸡胚，从吉林某鸡场病死鸡的法氏囊组织到一株超强毒株（J20株）。此病毒不能凝集鸡的红细胞，可以被IBDV标准阳性血清检出IBDV抗原。通过对J2001分离毒株进行回归实验，测定病毒效价EID50达10^6/0.2ml，发病率为100％，死亡达70％；病毒理化特性试验，电镜观察等证实J20株为鸡传染性法氏囊病超强毒株。
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| 关 键 词： | 鸡 传染性法氏囊病毒 超强毒株 生物学特性 分离鉴定 |
| 文章编号： | 1005-944X(2003)02-0023-02 |
Isolation and Biological Characterization of a Very Virulent Strain of Infectious Bursal Disease Virus of Chicken |
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| Qiu Dong,Jia HuaQiang,Xing LiJuan,Cui ShangJin.Isolation and Biological Characterization of a Very Virulent Strain of Infectious Bursal Disease Virus of Chicken[J].China Journal Of Animal Quarantine,2003,20(2):23-24. |
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| Authors: | Qiu Dong Jia HuaQiang Xing LiJuan Cui ShangJin |
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| Abstract: | A very virulent strain(J 20)of infectious bursal disease virus was isolated in a chicken farm in Jilin Province by using SPF chickens and SPF chick embryoes. The isolate was unable to agglutinate chicken red blood cells and IBDV antigen was detected in the isolate with refereuce IBDV serum. The viral titer(EID50)reached 106/0.2mL,with an incidence of 100% and a mortality of upto 70%.The IBDV-J20 was confirmed as a very virulent strain of IBDV by regression test with the isolate J20,physical and chemical analysis and electron microscopic observation. |
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| Keywords: | Chicken Very virulent IBDV Characterization |
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