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Abstract

Compared to Bos taurus breeds, Bos indicus breeds of cattle present several differences in reproductive physiology. Follicular diameter at deviation and at the time of ovulatory capability are smaller in B. indicus breeds. Furthermore, B. indicus breeds have a greater sensitivity to gonadotropins,...

Author(s)
Baruselli, P. S.; SáFilho, M. F. de; Martins, C. M.; Nasser, L. F.; Nogueira, M. F. G.; Barros, C. M.; Bó, G. A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2006, 65, 1, pp 77-88
Abstract

Protocols designed to control follicular wave dynamics and ovulation in cattle have reduced, and even eliminated, the need for estrus detection. The addition of progestin-releasing devices and gonadotropin treatments, such as equine chorionic gonadotropin, have provided possibilities for increased...

Author(s)
Mapletoft, R. J.; Bó, G. A.
Publisher
American Association of Bovine Practitioners, Stillwater, USA
Citation
Proceedings of the 45th Annual Conference of the American Association of Bovine Practitioners, Montreal, Canada, 20-22 September, 2012, 2012, pp 40-48
Abstract

The development of treatments that control follicular wave dynamics during the bovine oestrous cycle has resulted in interesting possibilities for the precise control of follicular wave emergence and the time of ovulation. For superstimulation, follicular wave emergence can be controlled by...

Author(s)
Bó, G. A.; Baruselli, P. S.; Chesta, P. M.; Martins, C. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2006, 65, 1, pp 89-101
Abstract

Two experiments evaluated the effects of timing of the induction of ovulation in superstimulated lactating Holstein donor cows that were fixed-time artificially inseminated. Secondary objectives were to evaluate the effects of the timing of progesterone (P4) device removal (Experiment 1) or the...

Author(s)
Martins, C. M.; Rodrigues, C. A.; Vieira, L. M.; Mapletoft, R. J.; Bó, G. A.; SáFilho, M. F.; Baruselli, P. S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2012, 78, 5, pp 974-980
Abstract

Our expanding knowledge of the control of follicular wave dynamics during the bovine oestrous cycle has resulted in renewed enthusiasm for the prospects of precisely controlling the follicular and luteal dynamics and the time of ovulation. Follicular wave development can be controlled mechanically...

Author(s)
Bó, G. A.; Baruselli, P. S.; Moreno, D.; Cutaia, L.; Caccia, M.; Tríbulo, R.; Tríbulo, H.; Mapletoft, R. J.
Publisher
Elsevier Science Inc., New York, USA
Citation
Theriogenology, 2002, 57, 1, pp 53-72
Abstract

Greater milk production in modern dairy cattle has led to greater nutritional needs, increased rates of post-partum anoestrus, reduced oestrus detection rates, lower conception and pregnancy rates and a higher incidence of embryonic mortality. In addition, larger herds have resulted in management...

Author(s)
Bó, G. A.; Mapletoft, R. J.
Publisher
British Cattle Veterinary Association, Quedgeley, UK
Citation
Cattle Practice, 2012, 20, 1, pp 19-28

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