Animal performance, feeding behaviour and carcass traits of feedlot cattle diet fed with agro-industrial by-product as fat source

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dc.contributor.authorPolizel Neto, Angelo
dc.contributor.authorRoça, Roberto de Oliveira [UNESP]
dc.contributor.authorBranco, Renata Helena
dc.contributor.authorBonilha, Sarah Figueiredo Martins
dc.contributor.authorAndrade, Ernani Nery de
dc.contributor.authorCorvino, Tatiana Lucila Sobrinho
dc.contributor.authorGomes, Helen Fernanda Barros
dc.contributor.institutionUniversidade Federal do Mato Grosso (UFMT)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2016-04-01T18:45:23Z
dc.date.available2016-04-01T18:45:23Z
dc.date.issued2014
dc.description.abstractIn feedlot system is particularly important to reduce the cattle feeding cost without impact on the animal gain and carcass, in this sense, aimed with this study to evaluate animal performance and carcass traits of the young Nellore male (n = 40) finished with agro-industrial by-products in feedlot diet. The addition of cottonseed by-product (CSB) was based on the ether extract (EE) contents in the feedlot diet: 3, 4 and 5%; and two other reference treatments were also tested, with 3 and 5% of EE content and soybean by-product (SOB) as fat source, totalling five experimental diets. In diets with 3% EE, CSB did not alter performance, gain cost or carcass traits compared to the SOB. In diets with 5% EE, animals fed with CSB showed greater dry matter (DM) intake than animals fed with SOB (10.34 versus 8.94 kg/day), but because CSB is a cheaper ingredient than SOB, it reduced the gain cost from 1.60 to 1.35 US$/kg. The CBS used in diet with 3, 4 and 5% EE increased the daily gain (1.17, 1.38 and 1.50 kg/day) and the rumination time (225, 338 and 370 min/day, respectively). So, CSB does not change the carcass traits nor the feeding behaviour when compared to SOB. The increased of CSB concentration in the diet raised the daily gain, DM intake and rumination time, with no changes in carcass traits.en
dc.description.affiliationUniversidade Federal do Mato Grosso (UFMT), Instituto de Ciências da Saúde, Sinop, MT, Brasil
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Faculdade de Ciências Agronômicas (FCA), Departamento de Economia, Sociologia e Tecnologia, Botucatu, SP, Brasil
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Faculdade de Ciências Agronômicas (FCA), Departamento de Economia, Sociologia e Tecnologia, Botucatu, SP, Brasil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent54-65
dc.identifierhttp://dx.doi.org/10.5539/jas.v6n6p54
dc.identifier.citationJournal of Agricultural Science, v. 6, n. 6, p. 54-65, 2014.
dc.identifier.doi10.5539/jas.v6n6p54
dc.identifier.fileISSN1916-9752-2014-06-06-54-65.pdf
dc.identifier.issn1916-9752
dc.identifier.urihttp://hdl.handle.net/11449/137368
dc.language.isoeng
dc.relation.ispartofJournal of Agricultural Science
dc.rights.accessRightsAcesso aberto
dc.sourceCurrículo Lattes
dc.subjectBehaviouren
dc.subjectCottonseed by-producten
dc.subjectFat sourceen
dc.subjectGain costen
dc.titleAnimal performance, feeding behaviour and carcass traits of feedlot cattle diet fed with agro-industrial by-product as fat sourceen
dc.typeArtigo
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentEconomia, Sociologia e Tecnologia - FCApt

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