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.
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