摘要
鸡法氏囊(IBD)饮水株病毒能在犊牛睾丸细胞(BTC)上复制,并产生明显病变(CPE)。所复制病毒ELD50/01ml最高可达1060以上,经鉴定特异性不变,并可用于试制疫苗。
An infectious bursal disease virus(IBDV)drinking vaccine strain could multiplicate in bovine testicle cells and caused cpe.The highest virus ELD50reached a magnitude of 1060of.Identification of the virus and vaccination and challenge experiments had been done.It all showed that the IBDV drinking vaccine strain was capable of producing high qaulity vaccine.