Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol

A protocol for presynchronization of ovarian status with 2 injections of PGF2α given 14d apart, with the last PGF2α injection given 12 or 14d before Ovsynch increases pregnancy per artificial insemination (P/AI) in dairy cows. We determined the efficacy of reducing the interval from the last PGF2α i...

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Veröffentlicht in:	Journal of dairy science 2013-12, Vol.96 (12), p.7640-7648
Hauptverfasser:	Colazo, M.G., Ponce-Barajas, P., Ambrose, D.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Abortion, Veterinary animal ovaries Animals artificial insemination blood body condition Cattle cloprostenol dairy cow dairy cows Dinoprost - administration & dosage Estrus Synchronization Female Fertility gonadotropin-releasing hormone Gonadotropin-Releasing Hormone - administration & dosage Insemination, Artificial - veterinary Lactation Ovsynch periodicity Pregnancy pregnancy per artificial insemination presynchronization progesterone ultrasonography
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