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Abstract

Our objective was to evaluate the effects of temporarily decreasing progesterone (P4) after timed artificial insemination (TAI) on embryonic growth in dairy cows. Lactating Holstein cows (n=80) were submitted to a Double-Ovsynch protocol for first TAI and were assigned randomly to receive 12.5 mg...

Author(s)
Carvalho, P. D.; Consentini, C. C.; Weaver, S. R.; Barleta, R. V.; Hernandez, L. L.; Fricke, P. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 4, pp 3233-3242
Abstract

Our objective was to assess the effect of treatment with human chorionic gonadotropin (hCG) 7 d after artificial insemination (AI) or at the time of in vitro-fertilized (IVF) embryo transfer on reproductive outcomes, including progesterone (P4), interferon-tau stimulated gene 15 (ISG15),...

Author(s)
Niles, A. M.; Fricke, H. P.; Carvalho, P. D.; Wiltbank, M. C.; Hernandez, L. L.; Fricke, P. M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 3, pp 2593-2606
Abstract

Fertility traits were recently added to the evaluation of genetic merit, allowing for the selection of Holstein cattle with improved reproductive performance. In the current study, we investigated the associations among genomic merit for daughter pregnancy rate (GDPR) and heifer conception rate...

Author(s)
Veronese, A.; Marques, O.; Peñagaricano, F.; Bisinotto, R. S.; Pohler, K. G.; Bilby, T. R.; Chebel, R. C.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6639-6648