Evaluation of the factors that affect the pregnancy rates during embryo transfer in beef heifers

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dc.authorid0000-0001-8332-5334
dc.authorid0000-0003-2358-0389
dc.authorid0000-0002-2453-3464
dc.authorid0000-0002-9877-8405
dc.authorid0000-0002-1416-5354
dc.authorid0000-0002-8040-9345
dc.contributor.authorAlkan, Hasan
dc.contributor.authorKaraşahin, Tahir
dc.contributor.authorDursun, Şükrü
dc.contributor.authorSatılmış, Fatma
dc.contributor.authorErdem, Hüseyin
dc.contributor.authorGüler, Mehmet
dc.date.accessioned2020-03-26T20:14:06Z
dc.date.available2020-03-26T20:14:06Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesi, Veteriner Fakültesi, Klinik Bilimler Bölümüen_US
dc.description.abstractThe aim of this study was to evaluate the effects of the transfer side, transfer location, cervix transfer score, type and diameter of corpus luteum (CL) during embryo transfer on pregnancy rates in beef heifers. Progesterone-based synchronization and superovulation protocol were applied to Simmental cows used as donors (n = 168). Uterine flushings were performed on day 7 following artificial insemination. Obtained Code I (excellent or good) and II (fair) quality embryos were transferred to recipient beef heifers (n = 561). During embryo transfer, side of transfer (right or left), transfer location (the cranial or middle third of uterine horn), cervix transfer score (easy, moderate or difficult) and type (CLa, CLb and CLc) and diameter of CL were determined. Pregnancy rates following the transfer of Code I and II embryos were 44.66% and 33.07%, respectively (p < .05). The rates of pregnancy after transfers to the right and left uterine horn were 37% and 42.2%, respectively (p > .05). The pregnancy rates were 41.2%, 34.9% and 30.3% for cervix transfer scores as easy, moderate and difficult, respectively (p > .05). Pregnancy rates after transfer to the cranial third and middle third were 41.06% and 29.67%, respectively (p < .05). According to types of CL, pregnancy rates were 31.7%, 40.4% and 45.3% for CLa, CLb and CLc, respectively (p < .05). Moreover, it was found that as the CL diameter increased, the pregnancy rates increased. As a result, it was concluded that there was no effect of side of transfer and cervix transfer score, but embryo quality, transfer location, type and diameter of CL had significant effects on the pregnancy rate during embryo transfer in beef heifers.en_US
dc.description.sponsorshipGeneral Directorate of Agricultural Enterprises (TIGEM)Gida Tarim Ve Hayvancilik Bakanligien_US
dc.description.sponsorshipThe present study was supported by General Directorate of Agricultural Enterprises (TIGEM). The authors are thankful to the staff of Gozlu Agricultural Enterprises for assistance during the study.en_US
dc.identifier.citationAlkan, H., Karaşahin, T., Dursun, Ş., Satılmış, F., Erdem, H., Güler, M. (2020). Evaluation of the Factors That Affect the Pregnancy Rates During Embryo Transfer in Beef Heifers. Reproduction in Domestic Animals, 55(4), 421-428.
dc.identifier.doi10.1111/rda.13623en_US
dc.identifier.issn0936-6768en_US
dc.identifier.issn1439-0531en_US
dc.identifier.pmid31916290en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://dx.doi.org/10.1111/rda.13623
dc.identifier.urihttps://hdl.handle.net/20.500.12395/37820
dc.identifier.wosWOS:000510195000001en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorAlkan, Hasan.
dc.institutionauthorSatılmış, Fatma.
dc.institutionauthorErdem, Hüseyin.
dc.institutionauthorGüler, Mehmet.
dc.language.isoenen_US
dc.publisherWILEYen_US
dc.relation.ispartofREPRODUCTION IN DOMESTIC ANIMALSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectembryo transferen_US
dc.subjectheiferen_US
dc.subjectpregnancy rateen_US
dc.titleEvaluation of the factors that affect the pregnancy rates during embryo transfer in beef heifersen_US
dc.typeArticleen_US

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