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Does combining estradiol cypionate and GnRH for ovulation induction in recipient cows increase pregnancy rate after timed embryo transfer?

dc.contributor.authorLima, Wagner Marques dept_BR
dc.contributor.authorMoraes, Fabiane Pereira dept_BR
dc.contributor.authorFerreira, Rogériopt_BR
dc.contributor.authorMondadori, Rafael Gianellapt_BR
dc.contributor.authorVieira, Arnaldo Dinizpt_BR
dc.contributor.authorKnabah, Nathália Wacholzpt_BR
dc.contributor.authorLima, Danylo Cintra Medeirospt_BR
dc.contributor.authorRovani, Monique Tomazelept_BR
dc.contributor.authorPfeifer, Luiz Francisco Machadopt_BR
dc.contributor.authorGoncalves, Paulo Bayard Diaspt_BR
dc.contributor.authorGasperin, Bernardo Garzierapt_BR
dc.date.accessioned2023-02-08T05:02:19Zpt_BR
dc.date.issued2022pt_BR
dc.identifier.issn1806-9614pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/254416pt_BR
dc.description.abstractEstradiol cypionate (EC) or GnRH have been widely used for ovulation induction in timed embryo transfer (TET). EC administration increases the proportion of cows that show estrus, whereas GnRH promotes more synchronized ovulations. The aim of the present study was to evaluate the potential beneficial effects of combining EC and GnRH in TET. In experiment 1, no difference was observed on serum progesterone concentrations on Day 6 and 13 after GnRH treatment between GnRH and EC+GnRH groups. In experiment 2, pregnancy per embryo transfer (P/ET) did not differ (p = 0.69) between GnRH (62.8%) and EC+GnRH (58.7%) groups. In conclusion, combining EC and GnRH for ovulation induction does not increase progesterone secretion and pregnancy rate after TET in cattle.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofAnimal reproduction. Belo Horizonte. Vol. 19, no. 3 (2022), e20220067, 5 p.pt_BR
dc.rightsOpen Accessen
dc.subjectCipionato de estradiolpt_BR
dc.subjectGestationen
dc.subjectLuteal functionen
dc.subjectHormônio liberador de gonadotropinapt_BR
dc.subjectProgesteroneen
dc.subjectIndução da ovulaçãopt_BR
dc.subjectSynchronizationen
dc.subjectPrenhezpt_BR
dc.subjectTransferencia de embrioespt_BR
dc.subjectBovinospt_BR
dc.titleDoes combining estradiol cypionate and GnRH for ovulation induction in recipient cows increase pregnancy rate after timed embryo transfer?pt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001160650pt_BR
dc.type.originNacionalpt_BR


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