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Abstract

The objectives of this study were to identify factors associated with concentrations of anti-Müllerian hormone (AMH) in plasma of dairy cows and to investigate the relationships between plasma AMH and fertility responses during a 100-d breeding season. Lactating cows, 1,237 in 2 seasonally calving...

Author(s)
Ribeiro, E. S.; Bisinotto, R. S.; Lima, F. S.; Greco, L. F.; Morrison, A.; Kumar, A.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 11, pp 6888-6900
Abstract

The objectives of the current study were to investigate the efficacy of PGF as a therapy to reduce the prevalence of subclinical endometritis and improve pregnancy per artificial insemination (P/AI) in cows subjected to a timed artificial insemination (AI) program. A total of 1,342 lactating...

Author(s)
Lima, F. S.; Bisinotto, R. S.; Ribeiro, E. S.; Greco, L. F.; Ayres, H.; Favoreto, M. G.; Carvalho, M. R.; Galvão, K. N.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 10, pp 6480-6488
Abstract

The objectives of this study were to characterize changes in transcriptome of preimplantation conceptuses at the onset of elongation and associated changes in uterine histotroph composition and endometrial physiology. Lactating dairy cows (n=160) had their ovulation synchronized by artificial ...

Author(s)
Ribeiro, E. S.; Greco, L. F.; Bisinotto, R. S.; Lima, F. S.; Thatcher, W. W.; Santos, J. E.
Publisher
Society for the Study of Reproduction, Inc., Madison, USA
Citation
Biology of Reproduction, 2016, 94, 4, pp 97
Abstract

Objectives were to determine the effects of GnRH at the initiation of the 5-d timed artificial insemination (AI) program combined with 2 injections of PGF on ovarian responses and pregnancy per AI (P/AI) in dairy heifers, and the role of progesterone concentrations on LH release and ovulation in...

Author(s)
Lima, F. S.; Ribeiro, E. S.; Bisinotto, R. S.; Greco, L. F.; Martinez, N.; Amstalden, M.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 11, pp 7054-7065
Abstract

The objectives of this study were to determine the effect of supplemental progesterone on fertility in lactating dairy cows lacking a corpus luteum (CL) at the initiation of the timed artificial insemination (AI) program. Holstein cows were subjected to the 5-d timed AI program (d -8 GnRH, d -3 and ...

Author(s)
Bisinotto, R. S.; Ribeiro, E. S.; Lima, F. S.; Martinez, N.; Greco, L. F.; Barbosa, L. F. S. P.; Bueno, P. P.; Scagion, L. F. S.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 4, pp 2214-2225
Abstract

The objective of this series of studies was to investigate the effects of inflammatory diseases occurring before breeding on the developmental biology and reproductive responses in dairy cows. Data from 5 studies were used to investigate different questions associating health status before breeding ...

Author(s)
Ribeiro, E. S.; Gomes, G.; Greco, L. F.; Cerri, R. L. A.; Vieira Neto, A.; Monteiro, P. L. J., Jr.; Lima, F. S.; Bisinotto, R. S.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 3, pp 2201-2220
Abstract

The objectives were to compare development and transcriptome of preimplantation conceptuses 15 d after synchronized ovulation and artificial insemination (AI) according to the genetic background of the cow and estrous cyclicity at the initiation of the synchronization program. On d 39±3 postpartum, ...

Author(s)
Ribeiro, E. S.; Monteiro, A. P. A.; Bisinotto, R. S.; Lima, F. S.; Greco, L. F.; Ealy, A. D.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 6, pp 4761-4777
Abstract

The objectives were to determine the effects of one or three timed artificial insemination (AI) before natural service (NS) in lactating dairy cows not observed for detection of estrus on hazard of pregnancy, days nonpregnant, and 21-days cycle pregnancy rate. A total of 1050 lactating Holstein...

Author(s)
Lima, F. S.; Bisinotto, R. S.; Ribeiro, E. S.; Ayres, H.; Greco, L. F.; Galvão, K. N.; Risco, C. A.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2012, 77, 9, pp 1918-1927
Abstract

Two experiments evaluated the effects of the first GnRH injection of the 5-d timed artificial insemination (AI) program on ovarian responses and pregnancy per AI (P/AI), and the effect of timing of the final GnRH to induce ovulation relative to AI on P/AI. In experiment 1, 605 Holstein heifers were ...

Author(s)
Lima, F. S.; Ayres, H.; Favoreto, M. G.; Bisinotto, R. S.; Greco, L. F.; Ribeiro, E. S.; Baruselli, P. S.; Risco, C. A.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 10, pp 4997-5004
Abstract

The objectives were to compare the effects of 2 methods of presynchronization and 2 lengths of proestrus on fertility of grazing dairy cows subjected to a 5-d timed artificial insemination (AI) protocol at initiation of breeding season. Lactating dairy cows (n=1,754) from 3 seasonal grazing farms...

Author(s)
Ribeiro, E. S.; Monteiro, A. P. A.; Lima, F. S.; Ayres, H.; Bisinotto, R. S.; Favoreto, M.; Greco, L. F.; Marsola, R. S.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 5, pp 2513-2522

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