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dc.contributor.authorKERN, E. L.pt_BR
dc.contributor.authorCOBUCI, J. A.pt_BR
dc.contributor.authorCOSTA, C. N.pt_BR
dc.contributor.authorMCMANUS, C. M.pt_BR
dc.contributor.authorBRACCINI NETO, J.pt_BR
dc.date.accessioned2016-01-07T11:11:11Zpt_BR
dc.date.available2016-01-07T11:11:11Zpt_BR
dc.date.created2016-01-07pt_BR
dc.date.issued2015pt_BR
dc.identifier.citationScientia Agricola, v. 72, n. 3, p.203-209, 2015.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1033243pt_BR
dc.descriptionLongevity is a desirable trait in the dairy industry because of its relationship to profitability. The aim of this study was to estimate genetic parameters for longevity measurements related to productive life, or life in the herd, and linear type traits of Brazilian Holstein cows born between the years 1990 and 2008. The (co) variance components were estimated by the restricted maximum likelihood method. The heritability for measurements of longevity and linear type traits ranged from 0.05 to 0.07 and 0.08 to 0.39, respectively. The genetic correlations between measurements of longevity and linear type traits ranged from -0.39 to 0.31. Direct selection for longevity does not necessarily lead to long-lived cows, due to low heritability. Indirect genetic selection for udder depth, bone quality, udder height, rear teat placement and conformation traits showed the highest genetic correlations with measurements of time between birth and last milk record and time from first calving to last milk record.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectMammary systempt_BR
dc.subjectProductive lifept_BR
dc.subjectRear teat placementpt_BR
dc.titleGenetic association between longevity and linear type traits of Holstein cows.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2016-03-14T11:11:11Zpt_BR
dc.subject.nalthesaurusgenetic correlationpt_BR
riaa.ainfo.id1033243pt_BR
riaa.ainfo.lastupdate2016-03-14pt_BR
dc.contributor.institutionElisandra Lurdes Kern; Jaime Araujo Cobuci; CLAUDIO NAPOLIS COSTA, CNPGL; Concepta Margaret McManus; José Braccini Neto.pt_BR
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