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dc.contributor.authorPIETROSKI, A. C. C. A.pt_BR
dc.contributor.authorBRANDÃO, F. Z.pt_BR
dc.contributor.authorSOUZA, J. M. G. dept_BR
dc.contributor.authorFONSECA, J. F. dapt_BR
dc.date.accessioned2013-09-17T11:11:11Zpt_BR
dc.date.available2013-09-17T11:11:11Zpt_BR
dc.date.created2013-09-17pt_BR
dc.date.issued2013pt_BR
dc.identifier.citationRevista Brasileira de Zootecnia, v. 42, n. 3, p. 168-173, 2013.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/966356pt_BR
dc.descriptionAbstract: The objective of this study was to compare the effect of hormonal treatment duration through the use of intravaginal sponges impregnated with 60 mg MAP for 6 (G6; n = 10), 9 (G9; n = 10) or 12 (G12; n = 10) days. All nulliparous (n = 15) and lactating (n = 15) Saanen goats received 37.5 µg d-cloprostenol and 200 IU eCG 24 hours before sponge removal during the nonbreeding season. After sponge removal, estrus was monitored twice a day (06h00 and 18h00) by the use of fertile bucks. Transrectal ovarian ultrasonography was performed after device removal until ovulation detection. All goats were bred by artificial insemination (AI) or natural breeding (NB). All females received 250 IU hCG 5 d after AI or NB. No difference was observed among groups G6, G9 and G12 for: estrous response (90.0, 100.0 and 100.0%, respectively); interval from sponge removal to estrus (26.7±5.6, 25.2±2.8 and 25.2±3.3 hours), duration of estrus (28.5±7.1; 21.6±3.0 and 25.2±6.1 hours); ovulation rate (80.0, 100.0 and 70.0%); number of ovulations (1.9±0.2, 1.5±0.2 and 1.4±0.2); and pregnancy rate (60.0, 80.0 and 50.0%). Interval from sponge removal to ovulation was shorter in animals from G6 (44.6±2.2 hours) than for animals from G9 (52.8±2.7 hours) and G12 (60.0±4.5 hours). All treatments were effective in the induction of synchronized estrus in Saanen goats during the nonbreeding season, but ovulation occurred earlier when goats received sponges for 6 days.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectRaça Saanenpt_BR
dc.subjectUltra-Sompt_BR
dc.subjectGoatpt_BR
dc.subjectOestrus synchronizationpt_BR
dc.subjectSexual behaviourpt_BR
dc.subjectSynchronized femalespt_BR
dc.titleShort, medium or long-term hormonal treatments for induction of synchronized estrus and ovulation in Saanen goats during the nonbreeding season.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2015-04-15T11:11:11Zpt_BR
dc.subject.thesagroCaprinopt_BR
dc.subject.thesagroCabrapt_BR
dc.subject.thesagroReprodução animalpt_BR
dc.subject.thesagroEndocrinologiapt_BR
dc.subject.thesagroHormôniopt_BR
dc.subject.thesagroCiclo estralpt_BR
dc.subject.thesagroSincronização do ciopt_BR
dc.subject.thesagroOvulaçãopt_BR
dc.subject.thesagroFertilidadept_BR
dc.subject.thesagroComportamento sexualpt_BR
dc.subject.nalthesaurusGoatspt_BR
dc.subject.nalthesaurusAnimal reproductionpt_BR
dc.subject.nalthesaurusUltrasonographypt_BR
dc.subject.nalthesaurusOvulationeng
riaa.ainfo.id966356pt_BR
riaa.ainfo.lastupdate2015-04-15pt_BR
dc.identifier.doihttp://dx.doi.org/10.1590/S1516-35982013000300004pt_BR
dc.contributor.institutionANA CAROLINA CUNHA ARAUJO PIETROSKI, UNIVERSIDADE FEDERAL FLUMINENSEpt_BR
dc.contributor.institutionFELIPE ZANDONADI BRANDÃO, UNIVERSIDADE FEDERAL FLUMINENSEeng
dc.contributor.institutionJOANNA MARIA GONÇALVES DE SOUZA, UNIVERSIDADE ESTADUAL DO CEARÁeng
dc.contributor.institutionJEFERSON FERREIRA DA FONSECA, CNPC.eng
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