Follicular Development in Ewes During Natural and Prostaglandins Induced Estrous Cycle

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dc.contributor.authorFernando Uribe-Velasquez, Luis
dc.contributor.authorOba, Eunice [UNESP]
dc.contributor.authorLenz Souza, Maria Ines
dc.contributor.authorVelez-Marin, Miryam
dc.contributor.authorCorrea-Orozco, Adriana
dc.contributor.institutionUniv Caldas
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Mato Grosso do Sul (UFMS)
dc.date.accessioned2013-09-30T18:29:06Z
dc.date.accessioned2014-05-20T13:42:17Z
dc.date.available2013-09-30T18:29:06Z
dc.date.available2014-05-20T13:42:17Z
dc.date.issued2010-07-01
dc.description.abstractThe follicular development was evaluated in ovine females during natural and prostaglandin-F(2 alpha) (PG) induced estrous cycle. Ewes were randomly divided in two treatments (n=7/treatment): T1 with natural cycle and T2 synchronized with two injections of PG. From one day before PG injection until next ovulation, daily transrectal ultrasonography was done. All follicles >= 2 mm were assessed. During the interovulatory intervals, follicular growth and regression occurred in a wave like pattern (2-3 waves). The maximum diameter of the largest follicle of the first wave was greater in T1 (5.83 +/- 0.31 mm) compared with T2 (5.0 +/- 0.1 mm; P<0.01), but there was no significant difference among the emergency day of largest follicle, during the growth phase of the follicular waves. The duration of the plateau phase in wave 2 differed between the two treatments (P<0.05) showing 0.83 +/- 0.31 and 1.83 +/- 0.17 d, for natural and synchronized treatment, respectively. Growth rate did not differ between treatments. Presence of new luteal tissue was detected on day 3 after ovulation. In conclusion, the follicular development was similar in female ovine during natural and PG induced estrous cycle.en
dc.description.affiliationUniv Caldas, Dept Salud Anim, Manizales 275, Caldas, Colombia
dc.description.affiliationUniv Estadual Paulista, Univ Estatal Paulista, Dept Reprod Anim & Radiol Vet, São Paulo, Brazil
dc.description.affiliationUniversidade Federal de Mato Grosso do Sul (UFMS), Dept Morfosisiol, Mato Grosso, MG, Brazil
dc.description.affiliationUniv Caldas, Programa Maestria Ciencias Vet, Manizales 275, Caldas, Colombia
dc.description.affiliationUnespUniv Estadual Paulista, Univ Estatal Paulista, Dept Reprod Anim & Radiol Vet, São Paulo, Brazil
dc.format.extent417-421
dc.identifierhttp://revistas.luz.edu.ve/index.php/rc/article/view/3451
dc.identifier.citationRevista Cientifica-facultad de Ciências Veterinarias. Maracaibo: Univ Zulia, Facultad Ciencias Veterinarias, v. 20, n. 4, p. 417-421, 2010.
dc.identifier.fileWOS000281360100012.pdf
dc.identifier.issn0798-2259
dc.identifier.lattes9224380586557664
dc.identifier.urihttp://hdl.handle.net/11449/14697
dc.identifier.wosWOS:000281360100012
dc.language.isospa
dc.publisherUniv Zulia, Facultad Ciencias Veterinarias
dc.relation.ispartofRevista Cientifica-facultad de Ciências Veterinarias
dc.relation.ispartofjcr0.170
dc.relation.ispartofsjr0,129
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectFolliclesen
dc.subjectestrousen
dc.subjectprostaglandinsen
dc.subjectsynchronizationen
dc.titleFollicular Development in Ewes During Natural and Prostaglandins Induced Estrous Cycleen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://revistas.luz.edu.ve/index.php/rc/about/editorialPolicies#openAccessPolicy
dcterms.rightsHolderUniv Zulia, Facultad Ciencias Veterinarias
unesp.author.lattes9224380586557664
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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