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Influence of different parities and mating seasons on the reproductive performance of Yorkshire sow
Author(s): 
Pages: 18-22
Year: Issue:  11
Journal: Liaoning Journal of Animal Husbandry & Veterinary Medicine

Keyword:  SowBreeding performanceParitiesMating season;
Abstract: To investigate the effect of parities and mating seasons on the reproductive performance of Yorkshire sow, litter size, litter birth weight and weaning weight of Yorkshire sows(753) were comparative analysised by SPSS 16.0 software. The result showed that parities significant effect the litter size(P<0.05). This characteristics have an upward tendency with parities.Titter size and piglets of spring and winter breeding sows was significant different to autumn(P<0.05);Litter birth weight, weaning weight of winter breeding sows is higher than other three seasons’.
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