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Abstract

The objective of this study was to examine the effects of increasing circulating progesterone in multiparous Holstein cows, using an intravaginal progesterone implant between days 3 and 7 following fixed-time artificial insemination (FTAI). The animals were randomly assigned into two groups: (1)...

Author(s)
Marques, T. C.; Leão, K. M.; Viu, M. A. de O.; Sartori, R.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 2, pp 405-410
Abstract

Recent work with P-36 demonstrates that the replacement of the last two doses of Follicle-Stimulating Hormone (FSH) with equine chorionic gonadotropin (eCG) increases embryo yields. However, it is unclear if the positive effect of eCG is related to its FSH-like activity, LH-like activity, or both....

Author(s)
Oliveira, A. C. S.; Mattos, M. C. C.; Bastos, M. R.; Trinca, L. A.; Razza, E. M.; Satrapa, R. A.; Sartori, R.; Barros, C. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2014, 82, 5, pp 715-719