Description and genetic analysis of three sets of monozygotic twins resulting from transfers of single embryos to recipient mares

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dc.contributor.authorMancill, Semira S.
dc.contributor.authorBlodgett, Glenn
dc.contributor.authorArnott, Robert J.
dc.contributor.authorAlvarenga, Marco [UNESP]
dc.contributor.authorLove, Charles C.
dc.contributor.authorHinrichs, Katrin
dc.contributor.institutionTexas A&M University
dc.contributor.institutionSaint John Valley Veterinary Services Inc
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionSDP Buffalo Ranch
dc.date.accessioned2014-05-27T11:25:51Z
dc.date.available2014-05-27T11:25:51Z
dc.date.issued2011-04-15
dc.description.abstractCase Description-3 sets of monozygotic twins resulting from transfers of single embryos to recipient mares were examined. Clinical Findings-In all 3 recipient mares with twin pregnancies, only 1 embryonic vesicle was detected before day 25 of gestation. In 1 recipient mare, 2 apparent adjacent vesicles, each containing an embryo with a heartbeat, were visualized on ultrasonographic examination on day 37 of gestation. The other 2 recipient mares underwent ultrasonographic examination on day 30 of gestation, at which time only 1 vesicle and embryo was identified. In these latter 2 recipient mares, however, a thorough ultrasonographic examination for a second conceptus on day 30 had not been performed, as only 1 embryo had been transferred and visualized on early ultrasonographic examination. Treatment and Outcome-All twin pregnancies resulted in death of both fetuses. Genetic analysis confirmed that each set of monozygotic twins originated from the transferred embryo. Clinical Relevance-Monozygotic twin pregnancy may occur after embryo transfer; thus recipient mares should be examined thoroughly for multiple conceptuses, especially between 25 and 30 days of gestation. At this time, the allantoides of monozygotic twins should be visible ultrasonographically and effective management may still be possible.en
dc.description.affiliationDepartment of Large Animal Clinical Sciences College of Veterinary Medicine Texas A and M University, College Station, TX 77843
dc.description.affiliation, 6666 Ranch, PO Box 130, 1102 Dash For Cash Rd, Guthrie, TX 79236
dc.description.affiliationSaint John Valley Veterinary Services Inc, 192 Broadway St, Woodstock, NB E7M 6B3
dc.description.affiliationDepartment of Animal Reproduction and Veterinary Radiology Veterinary School University of Sao Paulo State, UNESP, Botucatu, SP 18618-000
dc.description.affiliationSDP Buffalo Ranch, 1790 FM 2871, Fort Worth, TX 76126
dc.description.affiliationUnespDepartment of Animal Reproduction and Veterinary Radiology Veterinary School University of Sao Paulo State, UNESP, Botucatu, SP 18618-000
dc.format.extent1040-1043
dc.identifierhttp://dx.doi.org/10.2460/javma.238.8.1040
dc.identifier.citationJournal of the American Veterinary Medical Association, v. 238, n. 8, p. 1040-1043, 2011.
dc.identifier.doi10.2460/javma.238.8.1040
dc.identifier.issn0003-1488
dc.identifier.lattes0473846154288947
dc.identifier.scopus2-s2.0-79955630721
dc.identifier.urihttp://hdl.handle.net/11449/72384
dc.identifier.wosWOS:000289219000014
dc.language.isoeng
dc.relation.ispartofJournal of the American Veterinary Medical Association
dc.relation.ispartofjcr1.508
dc.relation.ispartofsjr0,714
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectanimal
dc.subjectanimal disease
dc.subjectembryo transfer
dc.subjectfemale
dc.subjectgenetics
dc.subjecthorse
dc.subjectmale
dc.subjectmonozygotic twins
dc.subjectplacenta
dc.subjectpregnancy
dc.subjectAnimals
dc.subjectEmbryo Transfer
dc.subjectFemale
dc.subjectHorses
dc.subjectMale
dc.subjectPlacenta
dc.subjectPregnancy
dc.subjectTwinning, Monozygotic
dc.titleDescription and genetic analysis of three sets of monozygotic twins resulting from transfers of single embryos to recipient maresen
dc.typeArtigo
dcterms.licensehttps://www.avma.org/journals/default.asp
unesp.author.lattes0473846154288947
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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