First Postpartum Luteal Function in Dairy Cows After Ovulation Induced by Progestogen and Gonadotropin-Releasing Hormone
The objective was to determine the effects of progestogen treatment on the lifespan of the first corpus luteum induced by GnRH in periparturient-milked cows. Dairy cows (n = 55) were assigned randomly following normal parturitions to receive either a progestogen implant (6 mg of norgestomet) or a bl...
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Veröffentlicht in: | Journal of dairy science 1991-05, Vol.74 (5), p.1573-1581 |
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