以血清交叉中和方法进行鸡传染性支气管炎双价活疫苗效力检验，结果与攻毒方法效检结果一致。

Efficacy test of chicken infection bronchitis bivalent living vaccine was taken with the method of serum cross neutralization. The results showed that it was consistent with that of challenge method.

youdao

以血清交叉中和方法进行鸡传染性支气管炎双价活疫苗效力检验，结果与攻毒方法效检结果一致。

Efficacy test of chicken infection bronchitis bivalent living vaccine was taken with the method of serum cross neutralization. The results showed that it was consistent with that of challenge method.

youdao