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| 鸭源新城疫病毒的生物学特性 | |
| 引用本文： | 钱忠明,宋红芹,钱晨,陈义平.鸭源新城疫病毒的生物学特性[J].中国家禽,2005,27(6):15-17. |
| 作者姓名： | 钱忠明 宋红芹 钱晨 陈义平 |
| 作者单位： | 1. 扬州大学兽医学院,225009 2. 扬州威克生物技术公司,225009 3. 农业部青岛动检所国家新城疫参考实验室,266032 |
| 摘 要： | 用鸡胚尿囊腔传代法从23个鸭泄殖腔拭子中分离到1株病毒，经血凝(HA)和血凝抑制(HI)试验鉴定为新城疫病毒。该毒株ELD50为5．85log10，鸡胚平均致死时间(MDT)为92．5h，1日龄鸡脑内致病指数(ICPI)为0．5，6周龄鸡静脉接种致病指数(IVPI)为0．3，属于中等偏弱毒力的毒株。该毒株不引起6周龄雏鸡发病。结果表明家鸭也能感染NDV。 |
| 关 键 词： | 新城疫病毒 生物学特性 鸭源 脑内致病指数 ELD50 试验鉴定 血凝抑制 致死时间 泄殖腔 毒株 NDV 鸡胚 周龄 日龄 接种 毒力 发病 雏鸡 家鸭 |
| 修稿时间： | 2005年1月21日 |
Characterization of a Newcastle Disease Virus Strain Isolated from Domestic Ducks |
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| Qian Zhongming,Song Hongqing,QIAN Chen,Chen Yiping.Characterization of a Newcastle Disease Virus Strain Isolated from Domestic Ducks[J].China Poultry,2005,27(6):15-17. | |
| Authors: | Qian Zhongming Song Hongqing QIAN Chen Chen Yiping |
| Institution: | Qian Zhongming1,Song Hongqing1,Qian Chen2,Chen Yiping3 |
| Abstract: | A hemagglutinating virus was isolated from 23 clocal swabs of duck by inoculating embronated eggs.It was determined as a NDV strain by hemagglutination assay test and hemagglutination inhibition test. ELD50 of the virus was 5.85log10.The mean death time(MDT)of chick embryos was 92.5h. Intracerabral pathogenicity index(ICPI) in 1-day -old chicks was 0.5.Intravenous pathogenicity index(IVPI)in 6-week-old chickens was 0.3. The virus was no pathogenic for 6-week-old chickens. The results showed that the virus was middle virulent,and domestic ducks might be infected by Newcastle disease virus. |
| Keywords: | duck Newcastle disease virus isolation identification |
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