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Synchronisation of oestrus and real pregnancy by sows treated with PMS after weaning of piglets on the 21st day



Synchronisation of oestrus and real pregnancy by sows treated with PMS after weaning of piglets on the 21st day



Atti dell' VIII Simposio Internazionale di Zootecnia Milan, 15-17 Apr 1973: 734-740



1000 IU PMS was given to 80 sows (group 1) on the 1st or 2nd day after weaning their piglets at 21days post partum and to 161 females (group 2) on the 3rd or 4th day after weaning. 158 control females weaned their piglets at 21 days and were untreated. In the 1st group, 81% of the females came on heat within 6 days of weaning and 91.25% within 10 days v 70.8 and 91.93% resp. in group 2. 54% of the control females came on heat within 10 days.

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Accession: 000213706

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