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Ovulation time and the correct period for mating in Landrace sows

, : Ovulation time and the correct period for mating in Landrace sows. Journal of Zhejiang Agricultural University 20(4): 374-377

In Landrace and Duroc x Landrace sows examined at slaughter, ovulation occurred 48-72 and approximately 60 h after oestrus respectively. For matings carried out at these times, farrowing rate was 73.56%.

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Related references

Stancic, B.; Lipozenciv, J.; Sahinovic, R.; Grkovic, B., 1990: Ovulation rate and embryo survival in Swedish Landrace, German Landrace and F1 Large White-Swedish Landrace crossbred sows (preliminary communication). 11 Swedish Landrace (SL), 10 German Landrace and 10 Large White X SL gilts were inseminated at their 1st, 2nd or 3rd oestrus. All gilts were slaughtered 32 days after AI. Overall, ovulation rate averaged 12.1, 15.6 and 18.5 at the 3 oestrous perio...

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