国内猪群中星状病毒感染状况调查汇总(2008~2016年)

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笔者对2008 ~ 2016年间的7篇PAstV病原学调查文献进行汇总发现:(1)相关调查数据偏少.样品采集范围仅限于广西、上海、四川、江西、湖南、云南6个省(市),且累计调查的样品总数偏少,仅为1813份.(2)调查者应用核酸方法对样品进行检测,更多地关注了猪群尤其是腹泻猪群中粪便(或肠道)中PAstV的存在情况,全部样品的阳性率区间为11.91%(5/42)~ 95.46%(21/22),平均阳性率为42.00%(761/1813).(3)从各时间节点中的样品阳性率看,国内猪群中PAstV的检出率呈缓慢下降趋势.笔者推测期间猪群中PAstV的检出率应低于42.0%.
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