It would be difficult to prevent and control pig ascariasis but clearance of Ascaris suum eggs in the surrounding is a key step.
It would be difficult to prevent and control pig ascariasis but clearance of Ascaris suum eggs in the surrounding is a key step.
A.正确
B.错误
正确答案:正确
Tag:VeterinaryParasitology
时间:2022-01-15 16:21:19