Retrospective analysis of cumulus-oocyte complex yield in a Gyr (Bos taurus indicus) herd undergoing trasvaginal ultrasound-guided follicle aspiration.
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Bovine in vitro embryo production (IVP) is extensively used in Brazil, associated with transvaginally guided follicle aspiration (TGFA). The good results obtained with the use of TGFA-IVP in this country are related to the ovarian physiology characteristics of zebu breeds, which include a lower persistence of dominant follicles and a greater number of follicles emerging in each follicular wave. There are, however, few reports of COC yield in these breeds in large-scale TGFA-IVP systems. The aim of this study was to analyze data on COC recovery from a Gyr (dairy zebu breed) herd in Brazil.
Edição dos proceedings da Annual Conference of the International, Embryo Society, Denver, Colorado, 2008.
Edição dos proceedings da Annual Conference of the International, Embryo Society, Denver, Colorado, 2008.
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Bovinos, Gir