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Title: Investigations on the effect of postpartum covering of mares on the pregnancy rate
Authors: Sönmez, Ceylan
Uludağ Üniversitesi/Veteriner Fakültesi.
Eroğlu, Alper
Keywords: Veterinary sciences
Issue Date: 1994
Publisher: Blackwell Wissenschafts-Verlag Gmbh
Citation: Sönmez, C. ve Eroğlu, A. (1994). ''Investigations on the effect of postpartum covering of mares on the pregnancy rate''. Berliner Und Munchener Tierarztliche Wochenschrift, 107(2), 48-49.
Abstract: The present study was carried out to investigate the pregnancy rate after covering in the foal heat (Group I), in the subsequent spontaneous heat (Group II), and in the induced heat (Group III) after administration of 7.5 mg of the prostaglandin F2alpha analogue Luprostiol (Reprodin(R), Bayer) between the 20th and 22th day post partum. Breeding during foal heat resulted in a pregnancy rate of 43.9 % compared to 48.6 % in the subsequent spontaneous heat post partum. Of 18 mares in group III, 14 mares had a foal heat, whereas 4 others had not shown a foal heat. 1-8 days after treatment, 14 mares (77.8 %) returned to an oestrus. In consideration of the mares which had shown a foal heat, oestrus was induced in 85.7 % of treated mares. In this group, a pregnancy rate of 50.0 % was achieved. In conclusion, the results of the present study indicate that induction of oestrus by treatment with prostaglandin 20-22 days after parturition for covering is a good alternative.
ISSN: 0005-9366
Appears in Collections:Web of Science

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