Environmental and genetic variation of the effective radiative properties of the coat of Holstein cows under tropical conditions

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dc.contributor.authorMaia, Alex Sandro Campos [UNESP]
dc.contributor.authorSilva, Roberto Gomes da [UNESP]
dc.contributor.authorBertipaglia, Elaine Cristina Abaker [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:21:36Z
dc.date.available2014-05-20T15:21:36Z
dc.date.issued2005-03-01
dc.description.abstractMorphological characteristics, coat effective radiative properties, and the percentage of white colour were measured in the coats of 973 Holstein cows, and estimates of the genetic parameters were obtained for these traits, except morphological characteristics. The results showed that white coats are more dense with long, thin hairs, while the black coats are less dense with short, thick hairs. Effective transmissivity is greater in the less-dense coats with short, thin hairs, independently of coat colour. Effective reflectivity depends more on the variation in the radiative properties of the coat and skin surface rather than on the morphological characteristics of the coat. Effective absorptivity is greater in black and dense coats with long, thick hairs, than in the white and less-dense coat with short, thin hairs. All heritability estimates were of low magnitude, except for the percentage of white coat colour.en
dc.description.affiliationSão Paulo State Univ, Coll Agr & Vet Sci, Dept Anim Sci, Lab Bioclimatol, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Coll Agr & Vet Sci, Dept Anim Sci, Lab Bioclimatol, BR-14884900 Jaboticabal, SP, Brazil
dc.format.extent307-315
dc.identifierhttp://dx.doi.org/10.1016/j.livprodsci.2004.09.004
dc.identifier.citationLivestock Production Science. Amsterdam: Elsevier B.V., v. 92, n. 3, p. 307-315, 2005.
dc.identifier.doi10.1016/j.livprodsci.2004.09.004
dc.identifier.issn0301-6226
dc.identifier.urihttp://hdl.handle.net/11449/32719
dc.identifier.wosWOS:000228127900011
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofLivestock Production Science
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectEffective radiative propertiesen
dc.subjectHair coaten
dc.subjectGenetic variationen
dc.subjectHolstein cowsen
dc.titleEnvironmental and genetic variation of the effective radiative properties of the coat of Holstein cows under tropical conditionsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes1205597617943504[1]
unesp.author.orcid0000-0001-7333-0105[1]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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