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