Radiative properties of the skin and haircoat of cattle and other animals

dc.contributor.authorda Silva, R. G.
dc.contributor.authorLa Scala, N.
dc.contributor.authorTonhati, Humberto [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:28:22Z
dc.date.available2014-05-20T15:28:22Z
dc.date.issued2003-05-01
dc.description.abstractRadiative properties (reflectance rho, transmittance tau, and absorptance alpha) were determined for wavelengths from 300 to 850 nm in the haircoat and the skin of water buffalo, deer (Pantanal deer, Blastocerus dichotomus), and cattle of the Holstein, Simmental, Canchim, Brangus, and Nelore breeds. The results showed that white hairs have higher rho (0.60 to 0.67) than the other coat colors, but the gray coats (mixed white and dark hair) of the Nelore cattle presented higher rho than that of the white coats of the European breeds at wavelengths lower than 600 nm. The light gray colored skin of the Canchim cattle had higher rho (0. 66) than the non-pigmented skin of Holstein (0.53). Red skins presented rho values higher than those of dark gray and black skins. Buffalo skin (dark gray) presented an average rho of 0.23+/-0.02 and alpha of 0.77+/-0.02. The red haircoat of the deer presented rho lower (0.37) than that of cattle of the same color (0.58). However, there was little difference between deer and cattle with respect to reflectance and absorptance of the skin. As for the spectral transmittance of the skin, it was very low and about the same for both species, until 600 nm. In the range 600 to 850 nm, the tau values for cattle rose to 0. 17, while those for deer increased only to 0.12.en
dc.description.affiliationUniv Estadual Paulista, Fac Agr & Vet Sci, Dept Anim Sci, BR-14884900 São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Agr & Vet Sci, Dept Exact Sci, BR-14884900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Agr & Vet Sci, Dept Anim Sci, BR-14884900 São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Agr & Vet Sci, Dept Exact Sci, BR-14884900 São Paulo, Brazil
dc.format.extent913-918
dc.identifierhttp://dx.doi.org/10.13031/2013.13567
dc.identifier.citationTransactions of the Asae. St Joseph: Amer Soc Agricultural Engineers, v. 46, n. 3, p. 913-918, 2003.
dc.identifier.doi10.13031/2013.13567
dc.identifier.issn0001-2351
dc.identifier.lattes1449605928537533
dc.identifier.lattes7445254960858159
dc.identifier.urihttp://hdl.handle.net/11449/38181
dc.identifier.wosWOS:000184379500036
dc.language.isoeng
dc.publisherAmer Soc Agricultural Engineers
dc.relation.ispartofTransactions of the Asae
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectBúfalopt
dc.subjectCattlept
dc.subjectDeerpt
dc.subjecthaircoatpt
dc.subjectpigmentationpt
dc.subjectradiative propertiespt
dc.subjectskinpt
dc.subjectsolar radiationpt
dc.titleRadiative properties of the skin and haircoat of cattle and other animalsen
dc.typeArtigo
dcterms.licensehttp://www.asabe.org/media/136993/copyrightform13.pdf
dcterms.rightsHolderAmer Soc Agricultural Engineers
unesp.author.lattes1449605928537533
unesp.author.lattes7445254960858159
unesp.author.orcid0000-0003-4714-3167[3]
unesp.author.orcid0000-0002-1575-9875[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
unesp.departmentCiências Exatas - FCAVpt

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