Effect of intrauterine administration of gonadotropin releasing hormone with glycerol on serum LH concentrations in lactating dairy cows

The objectives of the study were to assess: (1) preovulatory serum LH concentrations and (2) synchrony of ovulation after im or iu administration of GnRH with or without the addition of glycerol. Cows were presynchronized with 2 injections of PGF2α given 14d apart (starting at 26±3DIM) followed by O...

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Veröffentlicht in:	Animal reproduction science 2014-02, Vol.145 (1-2), p.15-22
Hauptverfasser:	Bas, S., Maquivar, M.G., Silva, M.A. Coutinho da, Day, M.L., Daglio, M.C., Harguindeguy, S., Titler, M., Schuenemann, G.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Cattle - blood Dairy cattle Dairying Drug Administration Routes Estrus Synchronization - methods Female Glycerol - administration & dosage Gonadotropin-Releasing Hormone - administration & dosage Intrauterine GnRH Lactation - blood Luteinizing Hormone - blood Ovulation Ovulation - drug effects Ovulation Induction - methods Ovulation Induction - veterinary Progesterone - blood Uterus
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