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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/1391
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dc.contributor.authorAndrade, P. C.-
dc.contributor.authorGrossi, D. A.-
dc.contributor.authorPaz, C. C. P.-
dc.contributor.authorAlencarO, M. M.-
dc.contributor.authorRegitano, L. C. A.-
dc.contributor.authorMunari, D. P.-
dc.date.accessioned2014-05-20T13:13:41Z-
dc.date.accessioned2016-10-25T16:34:31Z-
dc.date.available2014-05-20T13:13:41Z-
dc.date.available2016-10-25T16:34:31Z-
dc.date.issued2008-10-01-
dc.identifierhttp://dx.doi.org/10.1111/j.1365-2052.2008.01755.x-
dc.identifier.citationAnimal Genetics. Malden: Wiley-blackwell, v. 39, n. 5, p. 480-485, 2008.-
dc.identifier.issn0268-9146-
dc.identifier.urihttp://hdl.handle.net/11449/1391-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/1391-
dc.description.abstractA population of 1398 Canchim (CA) cattle was genotyped to assess the association of an insulin-like growth factor 1 (IGF1) gene microsatellite with phenotypic variation and estimated breeding values of pre-weaning, weaning and post-weaning growth traits. After an initial analysis, the IGF1 genotype only had a significant effect (P < 0.05) on birth weight (BW) and weaning weight adjusted to 240 days (WW240). For these two traits, direct and maternal breeding values were estimated using the restricted maximum likelihood (REML). Two analyses were carried out. In the first (Model I), all fixed effects were fitted. In the second (Model II), the fixed effect of the IGF1 genotype was omitted. The estimated genetic and phenotypic components of variance were similar for every trait in both models. For Model I, estimated direct and maternal heritabilities were 0.26 and 0.16 for BW and 0.23 and 0.14 for WW240 respectively. The genetic and phenotypic correlations between BW and WW240 were 0.38 and 0.38 (Model I) and 0.19 and 0.38 (Model II) respectively. Fifty animals were classified according to their direct and maternal breeding values for both traits. Spearman rank-order correlation between animal rankings in the two models was used to assess the effect of including the IGF1 genotype in the model. Non-significant values from this correlation were indicative of a difference in breeding value rankings between the two approaches. The IGF1 gene was found to be associated with phenotypic variation and breeding values in the early phase of growth.en
dc.description.sponsorshipEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.format.extent480-485-
dc.language.isoeng-
dc.publisherWiley-Blackwell-
dc.sourceWeb of Science-
dc.subjectbody weighten
dc.subjectCattleen
dc.subjectinsulin-like growth factor 1en
dc.subjectMicrosatelliteen
dc.subjectrestricted maximum likelihooden
dc.titleAssociation of an insulin-like growth factor 1 gene microsatellite with phenotypic variation and estimated breeding values of growth traits in Canchim cattleen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionEstacao Expt Ribeirao Preto-
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)-
dc.description.affiliationUNESP, FCAV, Dept Ciencias Exatas, BR-14884900 Jaboticabal, SP, Brazil-
dc.description.affiliationEstacao Expt Ribeirao Preto, APTA SAA, BR-14030670 Ribeirao Preto, SP, Brazil-
dc.description.affiliationEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA) Pecuaria Sudeste, BR-13570970 São Carlos, SP, Brazil-
dc.description.affiliationUnespUNESP, FCAV, Dept Ciencias Exatas, BR-14884900 Jaboticabal, SP, Brazil-
dc.identifier.doi10.1111/j.1365-2052.2008.01755.x-
dc.identifier.wosWOS:000259360000004-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofAnimal Genetics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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