在临床观察期间，实验羊仅出现轻微的与绵羊慢病毒有关的临床症状。

There were slight clinical signs relevant to OvLV infection in 5 seropositive ewes.

youdao

在临床观察期间，实验羊仅出现轻微的与绵羊慢病毒有关的临床症状。

There were slight clinical signs relevant to OvLV infection in 5 seropositive ewes.

youdao