解剖母猪，记录黄体数、胎儿数和胎儿重。

The number of corpora luteum, fetus number and fetus weight were observed, by dissecting the sampled sows.

youdao

解剖母猪，记录黄体数、胎儿数和胎儿重。

The number of corpora luteum, fetus number and fetus weight were observed, by dissecting the sampled sows.

youdao