单项选择题

Rabbit mange of can be infected and spread by contact.

A.正确
B.错误
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单项选择题
The preventive drugs of avian coccidiosis include ivermectin, maduramicin ammonium premix and diclazuril premix etc.
A.正确
B.错误
单项选择题
Prevention of avian coccidiosis could be achieved by drug prevention and vaccine immunization.
A.正确
B.错误
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