一只大母猪和她的小猪是用黄油制成的。
用黄油做的一头大母猪和她的小猪们。
这个农民教他的大母猪播种以帮助耕种。
大母猪吃仔猪，因为它们缺少磷质。
这个农民教他的大母猪播种以帮助耕种。
伴随她的动物是大母猪，母马，猫头鹰和大乌鸦。
作为大母猪，他照料他们，完全忘记了在天堂的住处。
As the Sow, he nursed them and forgot all about His abode in heaven.
小母猪和大母猪的发情期大概是21天，这是她们的生理循环周期，准备繁殖阶段。
When gilts or sows enter oestrus in their reproductive cycles (about 21 days long) they are ready to be bred.
小猪从出生到3 -4周大的时候，这段时间小猪和母猪是在产房里度过的。
From birth to 3-4 weeks of age, the piglets are with the sow in the farrowing house.
哺乳母猪采食量低下是当前养猪生产中存在的一大难题，特别是现代瘦肉型品种的哺乳母猪这一问题更为严重。
The low feed intake during lactation is a greater problem facing the current pig production, and this problem is even worse in modern improved lean genotypes.
哺乳母猪采食量低下是当前养猪生产中存在的一大难题，特别是现代瘦肉型品种的哺乳母猪这一问题更为严重。
The low feed intake during lactation is a greater problem facing the current pig production, and this problem is even worse in modern improved lean genotypes.
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