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dc.contributor.authorFONSECA, J. F. dapt_BR
dc.contributor.authorMAFFILI, V. V.pt_BR
dc.contributor.authorRODRIGUES, M. T.pt_BR
dc.contributor.authorSANTOS, A. D. F.pt_BR
dc.contributor.authorROVAY, H.pt_BR
dc.contributor.authorPINTO NETO, A.pt_BR
dc.contributor.authorBRANDÃO, F. Z.pt_BR
dc.contributor.authorTORES, C. A. A.pt_BR
dc.date.accessioned2011-04-10T11:11:11Zpt_BR
dc.date.available2011-04-10T11:11:11Zpt_BR
dc.date.created2007-12-13pt_BR
dc.date.issued2006pt_BR
dc.identifier.citationAnimal Reproduction, v. 3, n. 4, p. 410-414, Oct./Dec. 2006.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/532729pt_BR
dc.descriptionThe objective of this study was to evaluate the effect of hCG administration on plasma progesterone concentrations in lactating Alpine goats during the natural breeding season. After detection of estrus, 124 does were randomly assigned to one of two treatments (T1 and T2). In T1 (n = 60) and T2 (n = 64), the animals received 1 ml of saline solution or 250 IU of hCG i.m., respectively, 5 days after the first detection of estrus and breeding. Plasma progesterone concentration (ng/mL) was determined from blood sampled (T1 = 12 and T2 = 13) on Days 0 (day of estrus), 5, 7, 13, 17, 21, 28 and 45 after breeding. Two control goats with short cycles and two nymphomaniac goats (one per treatment) were detected. Plasma progesterone concentration (mean ± SEM) for T1 and T2 females differed on Days 13, 17 (P < 0.005) and 21 (P < 0.075), being respectively 3.8 ± 0.2 and 6.6 ± 0.7 at Day 13; 3.6 ± 0.1 and 6.5 ± 0.7 at Day 17; 4.3 ± 0.4 and 6.4 ± 0.9 at Day 21. Pregnancy rates on Days 35 and 70 did not differ (P > 0.05) between T1 (78.3%) and T2 (84.4%) does. The hCG administration 5 days after breeding increased plasma progesterone concentrations on Days 13 to 21 but did not increase pregnancy rate.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjecthCGpt_BR
dc.titleEffects of hCG on progesterone concentrations and fertility in cyclic, lactating Alpine goats.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2019-09-25T11:11:11Zpt_BR
dc.subject.thesagroCaprinopt_BR
dc.subject.thesagroFertilidadept_BR
dc.subject.thesagroHormôniopt_BR
dc.subject.thesagroProgesteronapt_BR
dc.subject.thesagroReprodução Animalpt_BR
dc.subject.nalthesaurusGoatseng
dc.subject.nalthesaurusReproductioneng
dc.subject.nalthesaurusPregnancy rateeng
dc.subject.nalthesaurusFemale fertilityeng
dc.subject.nalthesaurusProgesteroneeng
dc.subject.nalthesaurusSeasonseng
riaa.ainfo.id532729pt_BR
riaa.ainfo.lastupdate2019-09-25 -03:00:00pt_BR
dc.contributor.institutionJEFERSON FERREIRA DA FONSECA, CNPCpt_BR
dc.contributor.institutionV. V. MAFFILI, UNIVERSIDADE FEDERAL DE VIÇOSAeng
dc.contributor.institutionM. T. RODRIGUES, UNIVERSIDADE FEDERAL DE VIÇOSAeng
dc.contributor.institutionA. D. F. SANTOS, UNIVERSIDADE FEDERAL DE VIÇOSAeng
dc.contributor.institutionH. ROVAY, UNIVERSIDADE FEDERAL DE VIÇOSAeng
dc.contributor.institutionF. Z. BRANDÃO, UNIVERSIDADE FEDERAL FLUMINENSEeng
dc.contributor.institutionC. A. C. TORRES, UNIVERSIDADE FEDERAL DE VIÇOSA.eng
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