Evaluation of dual-energy X-ray absorptiometry (DXA) technique for the determination of body composition of Pacu and Nile tilapia in vivo

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorBrazil University-
Autor(es): dc.contributorGraduate Program in Animal Production-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorGovernment College University-
Autor(es): dc.creatorMansano, Cleber Fernando Menegasso-
Autor(es): dc.creatorSilva, Edney Pereira da-
Autor(es): dc.creatorKhan, Kifayat Ullah-
Autor(es): dc.creatorNascimento, Thiago Matias Torres do-
Autor(es): dc.creatorSakomura, Nilva Kazue-
Autor(es): dc.creatorRodrigues, Andressa Tellechea-
Autor(es): dc.creatorBoaratti, André Zuffo-
Autor(es): dc.creatorde Souza Romaneli, Rafael-
Autor(es): dc.creatorQueiroz, Daniel Monge de Almeida-
Autor(es): dc.creatorAmérico-Pinheiro, Juliana Heloisa Pinê-
Autor(es): dc.creatorNavarrete, Acacio Aparecido-
Autor(es): dc.creatorMacente, Beatrice Ingrid-
Autor(es): dc.creatorFernandes, João Batista Kochenborger-
Data de aceite: dc.date.accessioned2025-08-21T17:45:14Z-
Data de disponibilização: dc.date.available2025-08-21T17:45:14Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-04-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.aquaculture.2024.740611-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/298084-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/298084-
Descrição: dc.descriptionThe dual-energy X-ray absorptiometry (DXA) is an alternative to the comparative slaughter technique (CST), allowing the analysis of body chemical composition of fish in vivo. The present work aimed to standardize the dual-energy X-ray absorptiometry (DXA) technique in fish and determine the body chemical composition of Pacu (Piaractus mesopotamicus) and Nile tilapia (Oreochromis niloticus) during different growth stages in vivo. By the relationship between chemical compositions of fish determined by CST and DXA linear equations were generated, where Y-axis represented the results of CST and X-axis represented the results of DXA. This relationship was determined for each chemical component including water, protein, mineral matter, and fat. The deviation composition (D, g) obtained from the analysis of the multiple linear equations, and the correlation of prediction (R2) for Nile tilapia and Pacu were, total body weight of tilapia: D = 1.12 g, R2 = 0.99; Pacu: D = 1.53 g, R2 = 0.98; protein of tilapia: D = 1.87 g, R2 = 0.96; Pacu: D = 0.61 g, R2 = 0.99; water of tilapia: D = 2.09 g, R2 = 0.95; Pacu: D = 1.35 g, R2 = 0.99; fat of tilapia: D = 1.37 g, R2 = 0.99; Pacu: D = 0.67 g, R2 = 0.99, and mineral matter of tilapia 0.71 g, R2 = 0.98; Pacu: D = 0.37 g, R2 = 0.98. These values show high correlations (R2 > 0.9) and precision in the evaluation of the body components and weight variables. This study provides important information about the substitution of the CST with the DXA which will help to determine the body composition of fish in vivo in a more precise way, with less operational costs and in a short time.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionGraduate Program in Environmental Sciences Brazil University, Estrada Projetada F1, Fazenda Santa Rita, SP-
Descrição: dc.descriptionGraduate Program in Animal Production, Av. Hilário de Silva Passos, 950, Parque Universitário, SP-
Descrição: dc.descriptionFaculty of Agricultural and Veterinary Sciences (FCAV) São Paulo State University (UNESP), SP-
Descrição: dc.descriptionDepartment of Zoology Government College University-
Descrição: dc.descriptionAquaculture Center São Paulo State University (UNESP), SP-
Descrição: dc.descriptionDepartment of Veterinary Medicine Brazil University, Estrada Projetada F1, Fazenda Santa Rita, SP-
Descrição: dc.descriptionFaculty of Agricultural and Veterinary Sciences (FCAV) São Paulo State University (UNESP), SP-
Descrição: dc.descriptionAquaculture Center São Paulo State University (UNESP), SP-
Descrição: dc.descriptionFAPESP: 2013/25761-4-
Descrição: dc.descriptionFAPESP: 2016/11016-3-
Descrição: dc.descriptionCNPq: 309746/2021-3-
Descrição: dc.descriptionCNPq: 315190/2021-3-
Idioma: dc.languageen-
Relação: dc.relationAquaculture-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBody components-
Palavras-chave: dc.subjectNon-invasive measurement-
Palavras-chave: dc.subjectOreochromis niloticus-
Palavras-chave: dc.subjectPiaractus mesopotamicus-
Palavras-chave: dc.subjectScan-
Título: dc.titleEvaluation of dual-energy X-ray absorptiometry (DXA) technique for the determination of body composition of Pacu and Nile tilapia in vivo-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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