One concern is about the drug called bute.

需要担心的问题是被称为保泰松的药物。

Laboratories also find that only one in 200 samples contain traces of horse drug bute.

实验室还发现，200个样品中只有一个含有马药保泰松的痕迹。

I apologize, bute's going to have to reschedule.

很抱歉 恐怕要重新安排时间了。