Retrospective analysis of cumulus-oocyte complexyield in a Gyr (Bos taurus indicus) herd undergoing trasvaginal ultrasound-guided follicle aspiration.
Retrospective analysis of cumulus-oocyte complexyield in a Gyr (Bos taurus indicus) herd undergoing trasvaginal ultrasound-guided follicle aspiration.
Author(s): VIANA, J. H. M.; CAMARGO, L. S. de A.; FONSECA, J. F. da; OLIVEIRA, A. P. de; ARASHIRO, E. K. N.; FREITAS, C. de; FERNANDES, C. A. C.
Summary: 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.
Publication year: 2008
Types of publication: Abstract in annals or event proceedings
Unit: Embrapa Dairy Cattle
Observation
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