Influence of egg pre-storage heating period and storage length on incubation results

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dc.contributor.authorSilva, F. H. A.
dc.contributor.authorFaria, D. E.
dc.contributor.authorTorres, K. A. A. [UNESP]
dc.contributor.authorFaria Filho, D. E.
dc.contributor.authorCoelho, A. A. D.
dc.contributor.authorSavino, V. J. M.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.date.accessioned2014-05-20T13:15:44Z
dc.date.available2014-05-20T13:15:44Z
dc.date.issued2008-03-01
dc.description.abstractThis experiment aimed at evaluating the influence of different heating times of settable eggs of Cobb 500® broiler breeders before submitting them to different storage periods on egg weight loss, embryo mortality, and hatchability. A total number of 1,980 eggs were distributed in a completely randomized experimental design with a 3 x 3 factorial arrangement, comprising nine treatments with 22 replicates of 10 eggs each. The following factors were analyzed: pre-storage heating periods (0, 6, 12 hours at 36.92°C) and storage periods (4, 9, 14 days at 12.06°C). After storage, eggs were incubated under usual conditions, and were transferred to the hatcher at 442 hours of incubation. Eggs were weighed before heating, incubation, and transference to determine weight loss. Partial hatchability was determined at 480 hours, and total hatchability at 498 hours of incubation. Embryo mortality was determined in non-hatched eggs. It was concluded that heating eggs for six hour before storage improves incubation results as it decreases incubation length and late embryo mortality, therefore its use can be indicated in commercial operations. Storing eggs for 14 days and pre-heating for 14 days and pre-heating for 12 hours severely impair incubation results, and therefore are not recommended.en
dc.description.affiliationUniversidade de São Paulo Faculdade de Zootecnia e Engenharia de Alimentos Departamento de Zootecnia
dc.description.affiliationUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Morfologia e Fisiologia Animal
dc.description.affiliationUniversidade Federal de Minas Gerais Núcleo de Ciências Agrárias Departamento de Zootecnia
dc.description.affiliationUniversidade de São Paulo Escola Superior de Agricultura Luiz de Queiroz Departamento de Genética
dc.description.affiliationUnespUniversidade Estadual Paulista Faculdade de Ciências Agrárias e Veterinárias Departamento de Morfologia e Fisiologia Animal
dc.format.extent17-22
dc.identifierhttp://dx.doi.org/10.1590/S1516-635X2008000100003
dc.identifier.citationRevista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 10, n. 1, p. 17-22, 2008.
dc.identifier.doi10.1590/S1516-635X2008000100003
dc.identifier.fileS1516-635X2008000100003.pdf
dc.identifier.issn1516-635X
dc.identifier.scieloS1516-635X2008000100003
dc.identifier.urihttp://hdl.handle.net/11449/2799
dc.identifier.wosWOS:000258358200003
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.subjectBroiler breedersen
dc.subjectegg weight lossen
dc.subjectembryo developmenten
dc.subjectembryo mortalityen
dc.subjecthatchen
dc.titleInfluence of egg pre-storage heating period and storage length on incubation resultsen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbca/paboutj.htm
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt
unesp.departmentMorfologia e Fisiologia Animal - FCAVpt

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Jaboticabal - FCAV - Faculdade de Ciências Agrárias e Veterinárias