通过鸡胚接种、传代，从病鸡肺、肾材料中分离出一株病毒。
One virus strain isolated by embryo inoculation and serial Passages with suspensions of tung and kidney collected from infected chicks.
用鸡肾型传支病毒（IBV）分离株的鸡胚尿囊液接种16日龄蛋雏鸡，并随机分为对照组、中药治疗组和卵抗治疗组。
Allantoic fluid of chicken embryo that had been inoculated with one strain of renal type IBV was used to challenge 16-day-old chicken.
对鸭肝炎鸡胚化弱毒株MY接种4日龄雏鸭后的组织变化进行了动态观察比较研究。
The dynamic changes of tissue structure in 4 days old ducklings which were infected with chicken embryo attenuated strain MY of duck hepatitis virus were observed.
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