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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/65143
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dc.contributor.authorTonhati, Humberto-
dc.contributor.authorLôbo, Raysildo Barbosa-
dc.date.accessioned2014-05-27T11:18:14Z-
dc.date.accessioned2016-10-25T18:14:31Z-
dc.date.available2014-05-27T11:18:14Z-
dc.date.available2016-10-25T18:14:31Z-
dc.date.issued1997-07-01-
dc.identifierhttp://www.revista.sbz.org.br/artigo/index.php?artigo=103-
dc.identifier.citationRevista Brasileira de Zootecnia, v. 26, n. 4, p. 714-718, 1997.-
dc.identifier.issn0100-4859-
dc.identifier.urihttp://hdl.handle.net/11449/65143-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/65143-
dc.description.abstractThe objective of this study was to estimate the genetic trends of the milk and fat yield in three herds maintained in São Paulo State, Brazil. The estimation of genetic, environmental and phenotypic trends were based on 716 first lactations. The cows were sired by 134 bulls. The statistical models included the fixed effects of herds, kind of gestation, season and year of the calving, age of the cow at calving, besides the random effect of the bulls. The statistical analyses, by the last squares method showed effects for bulls, herds and age of the cows on milk and fat yield. The genetic, environmental and phenotypic trends estimated were -10.20; 6.74 and -3.46 kg for milk yield and -1.90; 2.20 and 0.12 kg for fat yield.en
dc.format.extent714-718-
dc.language.isopor-
dc.sourceScopus-
dc.subjectGenetic trends-
dc.subjectHolstein-friesian-
dc.subjectMilk production-
dc.subjectBos taurus-
dc.subjectFriesia-
dc.titleEstimativa da mudança genética na produção de leite e gordura em bovinos da raça Holandesapt
dc.title.alternativeGenetic trends for milk and fat yield in Holstein-friesian cattleen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationFCAV Campus de Jaboticabal UNESP-
dc.description.affiliationFMRP Campus de Ribeirão Preto USP-
dc.description.affiliationUnespFCAV Campus de Jaboticabal UNESP-
dc.rights.accessRightsAcesso aberto-
dc.identifier.file2-s2.0-3843097289.pdf-
dc.relation.ispartofRevista Brasileira de Zootecnia-
dc.identifier.scopus2-s2.0-3843097289-
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