- Comparison between two progesterone sources and two oestradiol formulations in a Heatsynch protocol for postpartum cycling dairy cows in pasture
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Andringa M, Van Eerdenburg FJCM, Fernandez , Garcia S, Cavestany
- KMID: 1705517
- J Vet Sci.
- 2013 Jun;14(2):161-166.
- doi: 10.4142/jvs.2013.14.2.161
To compare an injectable progesterone (MAD-4) with an intravaginal device (IPD), and natural O17 with synthetic oestradiol (OB) in a synchronisation protocol, 51 cows were divided into four groups. Each... -
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- Evaluation of the effect of a 3rd GnRH injection administered six days after the 2nd GnRH injection of Ovsynch on the reproductive performance of Japanese black cows
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Gaja AO, Hamana K, Kubota C, Kojima T
- KMID: 1718580
- J Vet Sci.
- 2008 Sep;9(3):273-279.
- doi: 10.4142/jvs.2008.9.3.273
This study was designed to evaluate the reproductive performance of Japanese black cows following the 3rd injection of gonadotropin releasing hormone (GnRH) analogue administered concurrently with Ovsynch-based treatment on day... -
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