Evaluation of factors affecting pregnancy rate in bovine embryo recipients after estrous synchronization for fixed-time embryo transfer.
Evaluation of factors affecting pregnancy rate in bovine embryo recipients after estrous synchronization for fixed-time embryo transfer.
Author(s): SIQUEIRA, L. G. B.; VIANA, J. H. M.; ARASHIRO, E. K. N.; TORRES, C. A. A.; CAMARGO, L. S. A.; PALMER, C. W.
Summary: The aims of this study were to evaluate the efficacy of a hormone protocol for fixed time embryo transfer, and to investigate factors usually associated with the achievement of high pregnancy rates in bovine recipients. Crossbred non-lactating cows, and heifers (n=259) were treated with the following protocol: 2mg of estradiol benzoate (EB) plus an intravaginal progesterone device (CIDR; day 0); 400 IU of eCG (day 5); PGF2? and CIDR withdrawal (day 8); and 1mg of EB (day 9).
Publication year: 2008
Types of publication: Abstract in annals or event proceedings
Unit: Embrapa Dairy Cattle
Keywords: Embrião bovino, Transferência
Observation
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