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Abstract

Although the discovery that follicles in bovine ovaries grow in a wave-like fashion has presented challenges for estrus synchronization and superovulation, recent protocols, designed to control follicular function have permitted fixed-time AI or fixed-time embryo transfer with high pregnancy rates, ...

Author(s)
Mapletoft, R. J.; Bó, G. A.; Baruselli, P. S.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Animal Reproduction (Belo Horizonte), 2009, 6, 1, pp 114-124
Abstract

Recent protocols which provide possibilities for oestrus synchronization that is precise enough to permit fixed-timed artificial insemination or embryo transfer without the need for oestrus detection are described. Synchronization of oestrus and ovulation; the use of GnRH, pLH, progesterone and...

Author(s)
Bó, G. A.; Mapletoft, R. J.
Publisher
Ordre des médecins vétérinaires du Québec, Saint-Hyacinthe, Canada
Citation
Médecin Vétérinaire du Québec, 2004, 34, 1/2, pp 57-59
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