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A study of reasons for culling sows

A study of reasons for culling sows

11emes journees de la recherche porcine en France, 1979: 355-363

The reproductive tracts of 593 sows slaughtered after culling were examined. 53% of the sows had been culled for reproductive failure. Of 77 sows reported by the farmers to be non-pregnant but failing to show oestrus, 40 had reproductive tracts indicating that they were cycling, and 6 were pregnant. Of 27 sows reported to have failed to return to oestrus after weaning, 7 were in lactational anoestrus.

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Accession: 000587813

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