中文摘要：

通过逆转录-聚合酶链扩增（RT-PCR）反应，建立从猪粪便中检测猪繁殖与呼吸综合征病毒（PRRSV）RNA的方法，以此方法检测了2个猪场8份样本，结果显示6份猪繁殖与呼吸综合征病毒阳性。

英文摘要：

In this experiment,the RT - PCR for detection of porcine reproductive and respiratory syndrome virus （PRRSV）RNA from pig feces has been established. 8 pig feces samples from 2 pig farms have been detected by this method,the results showed that 6 samples were PRRSV positive.