Abstract
The duration of ovulation in pigs may contribute to embryo mortality, as later ovulated ova, which become the least mature embryos, are unable to contend with the changing uterine environment (Pope, 1992). The shorter ovulation of spontaneously ovulating sows, which were mated, compared to induced sows, which were not mated (Soede et al, 1992), suggested that the mating itself may reduce the length of ovulation. The current study determined the effect of mating in the early oestrus period on both the timing and duration in recendy weaned, spontaneously ovulating sows.
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More From: Proceedings of the British Society of Animal Science
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