R. M. Ferreira

A new presynchronization system (Double-Ovsynch) increases fertility at first postpartum timed AI in lactating dairy cows

A.H. Souza, H. Ayres, R. M. Ferreira et al. · Theriogenology · 2008 · 356 citations

Agriculture, Animal Sciences, Dairy Science +16

The low fertility of repeat-breeder cows during summer heat stress is related to a low oocyte competence to develop into blastocysts

R. M. Ferreira, H. Ayres, Marcos Roberto Chiaratti et al. · Journal of Dairy Science · 2011 · 174 citations · Full text

Veterinary Medicine, Animal Sciences, Dairy Science +12

Validation of body condition score as a predictor of subcutaneous fat in Nelore (Bos indicus) cows

H. Ayres, R. M. Ferreira, José Ribamar de Souza Torres-Júnior et al. · Livestock Science · 2008 · 167 citations

Agriculture, Animal Sciences, Dairy Science +15

Equine chorionic gonadotropin and gonadotropin-releasing hormone enhance fertility in a norgestomet-based, timed artificial insemination protocol in suckled Nelore (Bos indicus) cows

M.F. Sá Filho, H. Ayres, R. M. Ferreira et al. · Theriogenology · 2010 · 138 citations

Veterinary Medicine, Animal Sciences, Endocrinology +15

Importance of estrus on pregnancy per insemination in suckled Bos indicus cows submitted to estradiol/progesterone-based timed insemination protocols

M.F. Sá Filho, J.E.P. Santos, R. M. Ferreira et al. · Theriogenology · 2011 · 135 citations · Full text

Medicine, Animal Sciences, Endocrinology +17