Exigência protéica e relação energia/proteína para alevinos de piracanjuba (Brycon orbignyanus)

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorSá, Marcelo Vinícius Do Carmo E-
Autor(es): dc.creatorFracalossi, Débora Machado-
Data de aceite: dc.date.accessioned2025-08-21T22:23:18Z-
Data de disponibilização: dc.date.available2025-08-21T22:23:18Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2002-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224255-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224255-
Descrição: dc.descriptionThe aim of this study was to determine the dietary protein requirement and associated energy to protein (E/P) ratio for Piracanjuba, Brycon orbignyanus, fingerlings. Casein-gelatin semipurified diets were formulated to contain six crude protein (CP) concentrations: 24, 26, 29, 32, 36 e 42% at one energy level, 3,000 kcal metabolizable energy (ME)/kg. These diets resulted in E/P ratios of 12.3, 11.6, 10.4, 9.2, 8.5 and 7.1 kcal ME/g CP, respectively. The protein, lipid and digestible carbohydrate sources were casein/gelatin, cod liver oil/soybean oil and dextrin, respectively. After an initial 5-day conditioning period, each experimental diet was fed to satiation, twice a day, to 8.38 ± 0.09 g piracanjuba fingerlings (n = 27), housed in eighteen 100-L fiberglass tanks connected to a water recirculating system, and kept at 26.3°C average water temperature (range: 23.7 to 30.2°C). After 90 days, the lowest dietary CP level that produced maximum fish weight gain was 29% CP with associated E/P ratio of 10.4 kcal ME/g CP. Higher dietary CP levels, i.e., 32, 36 and 42% did not improve 29% CP feed conversion, protein efficiency ratio, apparent net protein utilization and gross energy retained. Whole-body fish composition (total lipid and protein concentration) was not affected by the dietary CP level.-
Descrição: dc.descriptionDept. Melhoramento Nutr. Anim./UNESP Campus de Botucatu/SP, S̃ao Paulo-
Descrição: dc.descriptionDept. Melhoramento Nutr. Anim./UNESP Campus de Botucatu/SP, S̃ao Paulo-
Formato: dc.format1-10-
Idioma: dc.languagept_BR-
Relação: dc.relationRevista Brasileira de Zootecnia-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBrycon orbignyanus-
Palavras-chave: dc.subjectEnergy to protein ratio-
Palavras-chave: dc.subjectPiracanjuba-
Palavras-chave: dc.subjectProtein requirement-
Título: dc.titleExigência protéica e relação energia/proteína para alevinos de piracanjuba (Brycon orbignyanus)-
Título: dc.titleDietary protein requirement and energy to protein ratio for piracanjuba (Brycon orbignyanus) fingerlings-
Tipo de arquivo: dc.typelivro digital-
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