Effect of organic selenium and zinc on the performance and egg quality of Japanese quails

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dc.contributor.authorCruz, VC [UNESP]
dc.contributor.authorFernandez, IB [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:07:15Z
dc.date.available2014-05-20T15:07:15Z
dc.date.issued2011-06-01
dc.description.abstractThe present study aimed at evaluating the effect of the dietary inclusion of organic trace minerals selenium and zinc on the performance and internal and external egg quality of Japanese quails submitted to heat stress. Data on egg production, feed conversion (kg feed intake/kg eggs and dozen eggs), egg weight, egg specific gravity, eggshell thickness and weight, Haugh unit, yolk index, albumen index and mortality (%) of 144 quails were evaluated for 112 days, divided in eight cycles of 14 days. Birds were distributed according to a randomized block experimental design into four treatments (control; 0.3ppm Se; 60ppm Zn and 0.3ppm Se + 60ppm Zn) with six replicates each. There were no differences (p> 0.05) in egg production (%), egg mass (g/hen/day), feed conversion per egg mass (kg/kg), feed conversion per dozen eggs (kg/dz), average egg weight (g), egg specific gravity, eggshell thickness and weight (g), Haugh unit, yolk index, albumen index and mortality (%). However, quails fed the combination of Se and Zn presented higher (p < 0.05) feed intake (28.73 g/hen/day). Those fed only organic selenium had higher average daily egg production (30.17 eggs/day), and those fed the diet only supplemented with zinc presented higher mortality (p < 0.05). The results of the present study suggest that the supplementation of organic trace minerals in Japanese quails diets submitted to heat stress does not significantly influence quail performance and internal egg quality, whereas the supplementation of the combination of organic Zn and Se increases feed intake.en
dc.description.affiliationUniversidade Estadual Paulista Faculdade de Zootecnia
dc.description.affiliationUnespUniversidade Estadual Paulista Faculdade de Zootecnia
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipFundação para o Desenvolvimento da UNESP (FUNDUNESP)
dc.format.extent91-95
dc.identifierhttp://dx.doi.org/10.1590/S1516-635X2011000200002
dc.identifier.citationRevista Brasileira de Ciência Avícola. Fundação APINCO de Ciência e Tecnologia Avícolas, v. 13, n. 2, p. 91-95, 2011.
dc.identifier.doi10.1590/S1516-635X2011000200002
dc.identifier.fileS1516-635X2011000200002.pdf
dc.identifier.issn1516-635X
dc.identifier.scieloS1516-635X2011000200002
dc.identifier.urihttp://hdl.handle.net/11449/26434
dc.identifier.wosWOS:000295250500002
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.subjectCoturnixen
dc.subjectJapanese quailsen
dc.subjectperformanceen
dc.subjectquail eggsen
dc.titleEffect of organic selenium and zinc on the performance and egg quality of Japanese quailsen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbca/paboutj.htm

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