The effects of alternative forced-molting methods on the performance and egg quality of commercial layers

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dc.contributor.authorMolino, AB [UNESP]
dc.contributor.authorGarcia, Edivaldo Antonio [UNESP]
dc.contributor.authorBerto, da [UNESP]
dc.contributor.authorPelícia, K
dc.contributor.authorSilva, AP [UNESP]
dc.contributor.authorVercese, F [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUnifenas Department of Animal Science
dc.date.accessioned2013-09-30T18:27:56Z
dc.date.accessioned2014-05-20T13:41:21Z
dc.date.available2013-09-30T18:27:56Z
dc.date.available2014-05-20T13:41:21Z
dc.date.issued2009-06-01
dc.description.abstractThis study aimed at studying alternative methods to induce molting and to compare them with the conventional forced-molting method (fasting). In the experiment, 420 70-week-old layers were used. The total experimental period was 140 days. Molting was induced during the first 28 days, when birds were submitted to the experimental treatments, and bird performance and egg quality parameters were determined during 112 subsequent days. A completely randomized experimental design was applied in a 5x2 factorial arrangement of five feed restriction regimes (0, 15, 30, 45, or 60g feed/bird/day) and with or without the addition of coarse-particle limestone to the feed, with seven replicates of six birds each. Egg quality was evaluated at the end of each 28-day period for three consecutive days, using three eggs per experimental unit (21 eggs/treatment), with a total of 210 eggs. It was concluded that feeding 15g feed/bird/day to induce molting is feasible, as birds submitted to this treatment presented similar performance and better egg quality than those submitted to fasting during molting. The use of coarse-particle limestone during molting did not influence post-molting bird performance or egg quality.en
dc.description.affiliationUnesp-Botucatu FMVZ Departamento de Produção Animal
dc.description.affiliationUnesp-Botucatu FMVZ Department of Animal Production
dc.description.affiliationUnifenas Department of Animal Science
dc.description.affiliationUnespUnesp-Botucatu FMVZ Departamento de Produção Animal
dc.description.affiliationUnespUnesp-Botucatu FMVZ Department of Animal Production
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent109-113
dc.identifierhttp://dx.doi.org/10.1590/S1516-635X2009000200006
dc.identifier.citationRevista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 11, n. 2, p. 109-113, 2009.
dc.identifier.doi10.1590/S1516-635X2009000200006
dc.identifier.fileS1516-635X2009000200006.pdf
dc.identifier.issn1516-635X
dc.identifier.lattes6743591347106727
dc.identifier.lattes7728883010098049
dc.identifier.scieloS1516-635X2009000200006
dc.identifier.urihttp://hdl.handle.net/11449/14340
dc.identifier.wosWOS:000269654400006
dc.language.isoeng
dc.publisherFundação APINCO de Ciência e Tecnologia Avícolas
dc.relation.ispartofRevista Brasileira de Ciência Avícola
dc.relation.ispartofjcr0.463
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectEggshell thicknessen
dc.subjectfeed restrictionen
dc.subjectlimestoneen
dc.subjectwelfareen
dc.titleThe effects of alternative forced-molting methods on the performance and egg quality of commercial layersen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbca/paboutj.htm
unesp.author.lattes6743591347106727
unesp.author.lattes7728883010098049
unesp.author.orcid0000-0002-0747-8280[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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