目的：对研制的一种新灭蜚蠊毒饵配方进行毒效观察。
Objective:To study a new bait formulation for killing cockroach.
目的测试毒死蜱与奋斗呐复配制剂在实验室内对德国小蠊的毒效作用。
Objective To test virulence of compound of Chlorpyrifos and Fendona against Blattella germanica in laboratory.
用与制造菌苗株一致的培养物制备检测抗原，检测30日龄雏鸡免疫后抗体效价，对不同抗体滴度的雏鸡进行了攻毒保护性试验。
In the experiment we used the antigen to detect the valence of antibody of 30 days immuned chicken, which is the same antigen with the strains of chicken e.
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.
攻毒保护试验的结果显示，ELISA抗体效价与机体的保护力表现一定程度的相关性。
Subsequently, experiment on chickens challenged with virulent NDV strain showed that protection seems to be correlated with the ELISA antibody titer.
攻毒保护试验的结果显示，ELISA抗体效价与机体的保护力表现一定程度的相关性。
Subsequently, experiment on chickens challenged with virulent NDV strain showed that protection seems to be correlated with the ELISA antibody titer.
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