The genome of the isolate of porcine reproductive and respiratory syndrome virus (PRRSV) from China, designated HPBEDV, ......

2008年从临床鸽病例中分离到2株新城疫病毒毒株，经测定，鸡胚平均死亡时间（MDT）分别为48h和46h，8周龄SPF鸡静脉接种指数（IVPT）分别为2．88和2......