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Dietary digestible lysine requirement and essential amino acid to lysine ratio for pacu Piaractus mesopotamicus

dc.contributor.authorAbimorad, Eduardo Gianini [UNESP]
dc.contributor.authorFavero, G. C. [UNESP]
dc.contributor.authorSquassoni, G. H. [UNESP]
dc.contributor.authorCarneiro, D. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionAgência Paulista de Tecnologia dos Agronegócios (APTA)
dc.date.accessioned2014-05-20T15:31:47Z
dc.date.available2014-05-20T15:31:47Z
dc.date.issued2010-08-01
dc.description.abstractTo determine the digestible lysine requirement for pacu juveniles, a dose-response feeding trial was carried out. The fish (8.66 +/- 1.13 g) were fed six diets containing the digestible lysine levels: 6.8, 9.1, 11.4, 13.2, 16.1 and 19.6 g kg-1 dry diet. The gradual increase of dietary digestible lysine levels from 6.8 to 13.2 g kg-1 did not influence the average values of the parameters evaluated (P > 0.05). The increase of dietary digestible lysine level to 16.1 g kg-1 significantly improved weight gain (WG), specific growth rate (SGR), protein productive value (PPV), protein efficiency rate (PER), and apparent feed conversion rate (FCR), but was not different from fish fed diets containing 19.6 g kg-1 lysine. Fish fed diets containing 16.1 and 19.6 g kg-1 digestible lysine showed lower body lipid contents than fish in the other treatments. The digestible lysine requirement as determined by the broken-line model, based on average WG values, was 16.4 g kg-1. The other essential amino acid requirements were estimated based on the ideal protein concept and the value determined for lysine.en
dc.description.affiliationUNESP Univ Estadual Paulista CAUNESP, Ctr Aquicultura, São Paulo, Brazil
dc.description.affiliationAPTA SAA, SP Agencia Paulista Tecnol Agronegocios, São Paulo, Brazil
dc.description.affiliationUnespUNESP Univ Estadual Paulista CAUNESP, Ctr Aquicultura, São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdFAPESP: 04/06060-6
dc.description.sponsorshipIdCNPq: 476281
dc.format.extent370-377
dc.identifierhttp://dx.doi.org/10.1111/j.1365-2095.2009.00674.x
dc.identifier.citationAquaculture Nutrition. Malden: Wiley-blackwell, v. 16, n. 4, p. 370-377, 2010.
dc.identifier.doi10.1111/j.1365-2095.2009.00674.x
dc.identifier.issn1353-5773
dc.identifier.urihttp://hdl.handle.net/11449/40832
dc.identifier.wosWOS:000279615000005
dc.language.isoeng
dc.publisherWiley-Blackwell
dc.relation.ispartofAquaculture Nutrition
dc.relation.ispartofjcr2.078
dc.relation.ispartofsjr0,846
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectbody compositionen
dc.subjectdigestibilityen
dc.subjectideal proteinen
dc.subjectl-lysineen
dc.subjectPiaractus mesopotamicusen
dc.subjectwhite muscleen
dc.titleDietary digestible lysine requirement and essential amino acid to lysine ratio for pacu Piaractus mesopotamicusen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderWiley-blackwell
dspace.entity.typePublication

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