2015-2016年我国部分地区猪繁殖与呼吸综合征的分子流行病学调查
发布时间：2018-07-28 17:44
【摘要】：猪繁殖与呼吸综合征病毒(PRRSV)是猪的一种重要的病原,给全球养猪业造成重大的经济损失。本研究采集2015-2016年我国12省市362份临床发病猪肺脏病料用RT-PCR检测RRRSV,结果有191份为阳性,阳性率为52.8%。34个毒株ORF5基因测序结果表明,所有的毒株均属美洲型,分为4个亚型,其中2个毒株形成一个新的亚型Ⅳ;6个毒株与美国NADC30株有高度同源性,形成了亚型Ⅲ。研究表明我国PRRSV毒株存在遗传多样性,为猪繁殖与呼吸综合征的防治提供了理论依据。
[Abstract]:Porcine Reproductive and Respiratory Syndrome virus (PRRSV) is an important pathogen of swine, which has caused great economic losses to the global pig industry. In this study, 362 clinical pig lung samples were collected from 12 provinces and cities of China from 2015 to 2016. The results showed that 191 of them were positive, and the positive rate was 52.8.34 strains of ORF5 gene. The results showed that all the strains belonged to American type and were divided into four subtypes. Two of them formed a new subtype 鈪，
本文编号：2151114
[Abstract]:Porcine Reproductive and Respiratory Syndrome virus (PRRSV) is an important pathogen of swine, which has caused great economic losses to the global pig industry. In this study, 362 clinical pig lung samples were collected from 12 provinces and cities of China from 2015 to 2016. The results showed that 191 of them were positive, and the positive rate was 52.8.34 strains of ORF5 gene. The results showed that all the strains belonged to American type and were divided into four subtypes. Two of them formed a new subtype 鈪，
本文编号：2151114
本文链接：https://www.wllwen.com/yixuelunwen/dongwuyixue/2151114.html
