However, we find the condition of their workplace is quite disgusting, with flies circling and a hogpen nearby.

但是，我们发现他们的工作场所的卫生条件令人恶心，苍蝇飞来飞去，旁边就是一个猪圈。

Reproductive trait of pig is an important economic trait, which is a crucial index to reflect the productive level and economy efficacy of hogpen.

猪的繁殖性状是一个重要的经济性状，是反映猪场水平和经济效应的重要指标。