Prediction equations to estimate the demand of energy and crude protein for maintenance, gain and egg production for laying Japanese quails

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dc.contributor.authorJordão Filho, José
dc.contributor.authorSilva, José Humberto Vilar da
dc.contributor.authorCosta, Fernando Guilherme Perazzo
dc.contributor.authorSakomura, Nilva Kazue [UNESP]
dc.contributor.authorSilva, Cidinei Trajano
dc.contributor.authorChagas, Nalberlania Alves
dc.contributor.institutionUniversidade Federal da Paraíba (UFPB)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:18:55Z
dc.date.available2014-05-20T13:18:55Z
dc.date.issued2011-11-01
dc.description.abstractThe study was conducted to estimate requirements of energy and crude protein for maintenance, weight gain and egg production of Japanese quails in the period of 67 to 107 days of age. Two experiments were performed: one, to determine the requirements for maintenance of protein, and the other, for energy. Experiments were conducted in a completely randomized design with four dietary levels of offer and four replicates of six birds. The diets offered were: ad libitum (100%), 75%, 50%, and 25% consumption ad libitum (below maintenance). The methodology used to estimate the demand for maintenance was the comparative slaughter. For estimation of the requirement for weight gain, eight groups of 15 quails were reared separately, fed ad libitum and housed under 22 ºC controlled temperature. From these poultry, three groups were slaughtered at 5, 10, 15, 20, 25, 30, 35 and 40 days of the trial. The requirement for egg production was obtained by taking the ratio of energy content, egg protein, efficiency of energy use and protein for egg production. Prediction equations that estimate maintenance requirement, weight gain and egg production in energy and crude protein of Japanese quail include: metabolizable energy (kcal/bird/day) = 92.34*body weight0.75 + 6.23*weight gain + 4.19*egg mass; crude protein (g/bird/day) = 6.71*body weight0.75 + 0.615*weight gain + 0.258*egg mass.en
dc.description.affiliationUFPB CCA
dc.description.affiliationUFPB CCA PDIZ
dc.description.affiliationUNESP FCAV Departamento de Zootecnia
dc.description.affiliationUFPB CCHSA
dc.description.affiliationUnespUNESP FCAV Departamento de Zootecnia
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.format.extent2423-2430
dc.identifierhttp://dx.doi.org/10.1590/S1516-35982011001100020
dc.identifier.citationRevista Brasileira de Zootecnia. Sociedade Brasileira de Zootecnia, v. 40, n. 11, p. 2423-2430, 2011.
dc.identifier.doi10.1590/S1516-35982011001100020
dc.identifier.fileS1516-35982011001100020.pdf
dc.identifier.issn1516-3598
dc.identifier.lattes6152329000274858
dc.identifier.scieloS1516-35982011001100020
dc.identifier.urihttp://hdl.handle.net/11449/4809
dc.identifier.wosWOS:000297796400020
dc.language.isoeng
dc.publisherSociedade Brasileira de Zootecnia
dc.relation.ispartofRevista Brasileira de Zootecnia
dc.relation.ispartofsjr0,337
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectegg productionen
dc.subjectEnergyen
dc.subjectModelingen
dc.subjectProteinen
dc.titlePrediction equations to estimate the demand of energy and crude protein for maintenance, gain and egg production for laying Japanese quailsen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbz/paboutj.htm
unesp.author.lattes6152329000274858
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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