Production index and quality of eggs of laying hens subjected to different methods of beak trimming

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dc.contributor.authorVieira Filho, Javer Alves [UNESP]
dc.contributor.authorGarcia, Edivaldo Antonio [UNESP]
dc.contributor.authorOba, Eunice [UNESP]
dc.contributor.authorSantos, Tiago Antonio dos [UNESP]
dc.contributor.authorSilva, Anderson Pontes
dc.contributor.authorMolino, Andrea Britto
dc.contributor.authorLima Almeida Paz, Ibiara Correia de [UNESP]
dc.contributor.authorAraujo Baldo, Grace Alessandra de [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionLohmann Brasil
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2018-11-26T17:06:10Z
dc.date.available2018-11-26T17:06:10Z
dc.date.issued2016-06-01
dc.description.abstractThe objective of this work was to evaluate the effect of beak trimming, by hot blade or infrared radiation, on the production indicators and egg quality of three laying hen strains in the first week of life, and whether a second beak trimming would be necessary in the tenth week. Birds were distributed in a completely randomized design with 2x3x2 factorial arrangement (first beak trimming by means of infrared radiation or hot blade x the strains Lohmann LSL, Hy-line W-36, and Lohmann Brown x with or without beak trimming at the tenth week of age), totaling twelve treatments with six replicates. Beak trimming by infrared radiation, in the first week of life, provides the same production results and egg quality as the conventional method by hot blade. There were no deaths from cannibalism for birds of the three strains that were not subjected to the second beak trimming; however, a decrease of 8% viability was observed in birds at the 63th week of age.en
dc.description.affiliationUniv Estadual Paulista, Dept Prod Anim, Fac Med Vet & Zootecnia, Fazenda Expt Lageado, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Reprod Anim & Radiol Vet, Fac Med Vet & Zootecnia, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationLohmann Brasil, BR-15020360 Sao Jose Do Rio Preto, SP, Brazil
dc.description.affiliationUniv Sao Paulo, Fac Med Vet & Zootecnia, Dept Nutr & Prod Anim, Ave Duque Caxias Norte 225, BR-13635900 Pirassununga, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Prod Anim, Fac Med Vet & Zootecnia, Fazenda Expt Lageado, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Reprod Anim & Radiol Vet, Fac Med Vet & Zootecnia, BR-18618970 Botucatu, SP, Brazil
dc.format.extent759-765
dc.identifierhttp://dx.doi.org/10.1590/S0100-204X2016000600008
dc.identifier.citationPesquisa Agropecuaria Brasileira. Brasilia Df: Empresa Brasil Pesq Agropec, v. 51, n. 6, p. 759-765, 2016.
dc.identifier.doi10.1590/S0100-204X2016000600008
dc.identifier.fileS0100-204X2016000600759.pdf
dc.identifier.issn0100-204X
dc.identifier.scieloS0100-204X2016000600759
dc.identifier.urihttp://hdl.handle.net/11449/161917
dc.identifier.wosWOS:000383334800008
dc.language.isopor
dc.publisherEmpresa Brasil Pesq Agropec
dc.relation.ispartofPesquisa Agropecuaria Brasileira
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectwelfare
dc.subjectegg production
dc.subjectinfrared radiation
dc.subjectbeak treatment
dc.titleProduction index and quality of eggs of laying hens subjected to different methods of beak trimmingen
dc.typeArtigo
dcterms.rightsHolderEmpresa Brasil Pesq Agropec
unesp.author.orcid0000-0003-1086-2213[7]

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Artigos - Produção Animal - FMVZ
Artigos - Reprodução Animal e Radiologia Veterinária - FMVZ