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Changes of vaginal epithelium in creole pigs ovulating during lactation

dc.creatorMota-Rojas, Daniel
dc.creatorAlonso-Spilsbury, María
dc.creatorMayagoitia Novales, Lilian
dc.creatorTrujillo, María Elena
dc.creatorValencia, Javier
dc.creatorRamírez- Necoechea, Ramiro
dc.creatorCortés, Saúl
dc.creatorEscobar Ibarra, Isabel
dc.date.accessioned2017-06-29T04:33:00Z
dc.date.available2017-06-29T04:33:00Z
dc.date.issued2004es_ES
dc.identifier428es_ES
dc.identifier.issn1680-5593es_ES
dc.identifier.urihttp://medwelljournals.com/abstract/?doi=javaa.2004.828.832es_ES
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/5117
dc.language.isoenges_ES
dc.relation3 (12) 828-832 p.es_ES
dc.relationversión del editores_ES
dc.rightsacceso cerradoes_ES
dc.titleChanges of vaginal epithelium in creole pigs ovulating during lactationes_ES
dc.typearticlees_ES
dc.contributor.affiliationUniversidad Autónoma Metropolitana-Xochimilco. DPAA. Área de Investigación: Ecodesarrollo de la Producción Animal. Calz. Del Hueso 1100. Col. Villa Quietud. México, D.F.es_ES
dc.relation.jnabreviadoJ ANIM VET ADVes_ES
dc.relation.journalJournal of Animal and Veterinary Advances : JAVAes_ES
dc.identifier.placePakistánes_ES
dc.date.published2004es_ES
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñizes_ES
dc.identifier.eissn1993-601Xes_ES
dc.description.abstractotrodiomaThe objective of this study was to identify changes of the vaginal epithelium in Mexican hairless sows, which ovulated during lactation, caused by the effect of the boar presence and the litter withdrawal. In order to determine the oestrus stage, an exfoliative vaginal cytology and 17 estradiol and progesterone determinations were carried out on the 8 day after the onset of lactation out accompanied with behaviour observations. Four groups of sows were used: Group 1 was not stimulated; Group 2, remained with the boar; Group 3 was separated from its litter for 4 h and Group 4 got both stimuli. Vaginal smear samples were collected every 24 h. for 5 days after stimulus. An ANOVA statistical analysis was performed for repetitive samples during the 5 days of the test. Stimuli used in group 4 caused significant modifications (P< 0•001) when compared to Groups 1, 2 y 3. Estradiol levels were higher than 30 pg-ml in Group 4 on day 10 post partum and 4.5 ng-ml of progesterone on day 11 and 12 post partum. It was evident that 100% of the sows in Groups 1, 2 and 3 did not show oestral activity when relating vaginal cytology with the oestral behaviour and hormone determination of the lactating sows, whereas 100% of the sows in group 4 presented oestrus 72 h. after the stimulus and ovulated 24 to 36 h after the oestrus onset, this was corroborated by estradiol and progesterone determinations, respectivelyes_ES
dc.subject.koOvulationes_ES
dc.subject.koLactational oestruses_ES
dc.subject.koVaginal cytologyes_ES
dc.subject.koSowes_ES
dc.subject.koReproductiones_ES


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