摘要
将鸡传染性支气管炎肾脏型SK9株通过鸡胚盲传10代,检测E1、E5、E10各代毒的病毒含量、安全性、免疫原性,用雏鸡回归5代,检测C1-C5各代毒的病毒含量、安全性等,说明SK9株是一株稳定性好的毒株。
Virus titer, safety and immunity of E1, E5, E10 infectious bronchitis virus were tested after being immediately transferred 10 passages in chicken embryos. Also those of C1-C5 IBV were tested after being regressed 5 passages in chickling. The results showed that SK9 virus was very stable in virulence.
出处
《畜禽业》
2004年第4期66-67,共2页
Livestock and Poultry Industry