Fecal progestins during pregnancy and postpartum periods of captive red brocket deer (Mazama americana)

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dc.contributor.authorKrepschi, V. G. [UNESP]
dc.contributor.authorPolegato, B. F. [UNESP]
dc.contributor.authorZanetti, E. S. [UNESP]
dc.contributor.authorDuarte, J. M B [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:28:17Z
dc.date.available2014-05-27T11:28:17Z
dc.date.issued2013-02-01
dc.description.abstractThis study aimed to validate the enzyme immunoassay (EIA) for fecal progestin quantification of the species Mazama americana, define its excretion profile during periods of gestation and postpartum and determine the gestation period and resumption of postpartum ovarian activity in this species in captivity Fecal samples were collected twice a week during gestation and every day in the postpartum period, and analyzed using EIA The mean concentrations (±SEM) of fecal progestins during gestation were 2180.0 ± 299.1 ng/g in early pregnancy (week 1-11), 3271.4 ± 406.9 ng/g in middle pregnancy (week 12-22) and 5592.0 ± 1125.8 ng/g in late pregnancy (week 23-32) The gestation period determined for the species was 220.9 ± 1.2 days The concentration of progestins reached its peak prior to parturition and returned to baseline levels in 4 ± 0.31 days after parturition In the postpartum period, the mean concentrations of fecal progestins were 1564.2 ± 182.6 ng/g in the interval between parturition and resumption of ovarian activity, 469.8 ± 24.5 ng/g in the inter-luteal phase and 2401.7 ± 318.5 ng/g during the luteal phase, such that the postpartum period and the luteal phase differed from the inter-luteal phase Fecal progestin profiling permitted the detection of ovulation 26.9 ± 3.4 days after parturition in all the hinds studied and estimation of the mean duration of the estrous cycle, 21.3 ± 1.1 days Analysis established that concentrations of progestins above 3038.76 ng/g diagnosed pregnancy, a value determined from the week 12 of gestation Moreover, the quantification of fecal progestins by EIA proved to be an important tool for noninvasive endocrine monitoring and to obtain reproductive data on the species M americana in captivity © 2013 Elsevier B.V.en
dc.description.affiliationDeer Research and Conservation Center (NUPECCE - Nucleo de Pesquisa e Conservacao de Cervideos) Departamento de Zootecnia, Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Via de Acesso Professor Paulo Donato Castellane s/n, Jaboticabal, São Paulo-14884-900
dc.description.affiliationUnespDeer Research and Conservation Center (NUPECCE - Nucleo de Pesquisa e Conservacao de Cervideos) Departamento de Zootecnia, Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista, Via de Acesso Professor Paulo Donato Castellane s/n, Jaboticabal, São Paulo-14884-900
dc.format.extent62-68
dc.identifierhttp://dx.doi.org/10.1016/j.anireprosci.2012.11.016
dc.identifier.citationAnimal Reproduction Science, v. 137, n. 1-2, p. 62-68, 2013.
dc.identifier.doi10.1016/j.anireprosci.2012.11.016
dc.identifier.issn0378-4320
dc.identifier.scopus2-s2.0-84880014618
dc.identifier.urihttp://hdl.handle.net/11449/74459
dc.identifier.wosWOS:000315762000009
dc.language.isoeng
dc.relation.ispartofAnimal Reproduction Science
dc.relation.ispartofjcr1.647
dc.relation.ispartofsjr0,704
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectEnzyme immunoassay
dc.subjectEstrous cycle
dc.subjectMazama americana
dc.subjectPregnancy
dc.subjectProgestins
dc.subjectRed brocket deer
dc.titleFecal progestins during pregnancy and postpartum periods of captive red brocket deer (Mazama americana)en
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
unesp.author.lattes4563764623232492[2]
unesp.author.orcid0000-0002-2875-9532[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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