A new method for titration of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) was developed utilizing immunostaining.
本文建立一种测定猪繁殖与呼吸综合征病毒(PRRSV)滴度的新方法-免疫染色法。
2
For its infectiousness as well as the immune repression and intercurrent brought to pigs, PRRSV caused huge economic loss to pig's feeding industry.
该病毒传染性强，而且感染机体后导致免疫抑制及各种并发症，给养猪业造成巨大危害和经济损失。
3
PRRSV entered Marc-145 cells by endocytosis, and replicated in the cytoplasm. The mature viruses were released from infected cells by budding or exocytosis.