2015-2017年广西东兴市活禽市场新城疫病毒流行状况调查

Investigation on the Prevalence of Newcastle Disease Birus in Live Poultry Market of Dongxing City,Guangxi during the Period of 2015-2017

新城疫病毒(NDV)是我国活禽最重要的疫病之一。2015-2017年对广西东兴市某活禽市场进行了系统监测,共采集到各种棉拭子样品1482份,将处理好的样品接种鸡胚,后运用荧光RT-PCR检测方法对待测样品进行检测和分析。结果显示,2015-2017年东兴市某活禽市场的NDV整体阳性率为2.43%,其中2015年阳性率最高为6.06%,2016年为0.74%和2017年为0.83%;NDV可以在鸡、鸭和环境样品中检测到,其中环境样品的阳性率最高为5.85%,鸡次之为2.78%,鸭最低为1.33%。NDV的流行病学调查和后续监测可为NDV的防治提供重要的流行病学信息。

Newcastle disease virus(NDV)is one of the most important diseases of live poultry in China.In order to understand the prevalence of newcastle disease virus(NDV)in a live poultry market in Dongxing City,Guangxi Province,a total of 1482 cotton swab samples were collected from poultry markets from 2015 to 2017.The samples were detected and analyzed by fluorescent RT-PCR after inoculation of chicken embryos.The results showed that from 2015 to 2017,the overall positive rate of NDV in a live poultry market in Dongxing City was 2.43%,of which the highest positive rate was 6.06%in 2015,0.74%in 2016 and0.83%in 2017;NDV could be detected in chickens,ducks and environmental samples,of which the highest positive rate was 5.85%in environmental samples,followed by 2.78%in chickens and 1.33%in ducks.The epidemiological investigation and follow-up monitoring of NDV can provide important epidemiological information for the prevention and treatment of NDV.