Pig keeping in the tropics - part 4

Chia sẻ: Tra Sua Nguyen | Ngày: | Loại File: PDF | Số trang:3

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Pig keeping in the tropics - part 4

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Fertility disorders Poor oestrus show in sows It sometimes happens that sows do not come on heat at the expected time. Gilts should normally come on heat at 6 to 8 months of age, and sows should do so within one or two weeks of weaning their litter. If there seems to be no heat, it may just be that the heat has passed unnoticed.

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