2006
DOI: 10.1590/s1516-35982006000300002
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Abstract: Com o objetivo de determinar os níveis de energia digestível (ED) em função do nível de proteína bruta (PB) da ração para alevinos de lambari tambiú (Astyanax bimaculatus), foram utilizados 600 peixes com 1,30 ± 0,01 g, distribuídos em 40 aquários de 100 L, dotados de abastecimento de água, com temperatura controlada e sistema de aeração individual. O experimento foi realizado em um esquema fatorial 5 x 2 (cinco níveis de ED: 2.900, 3.000, 3.100, 3.200 e 3.300 kcal/kg combinados com dois níveis de PB: 32,0 e 3… Show more

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Cited by 24 publications
(26 citation statements)
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“…Other studies have reported similar findings, in which reduced PER has been observed with increasing protein concentrations in the diets of fish (VIDAL JÚNIOR et al, 1998;COTAN et al, 2006;COSTA;MELO;CORREIA, 2009;BICUDO;SADO;CYRINO, 2010). In contrast, Bomfim et al (2005) reported that elevated CP levels in "curimbatá" fingerlings improved PER up to a certain level; suggesting that PER can be improved until the protein requirement is achieved and subsequently decreases with further increases in protein levels.…”
Section: Resultsmentioning
confidence: 57%
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“…Other studies have reported similar findings, in which reduced PER has been observed with increasing protein concentrations in the diets of fish (VIDAL JÚNIOR et al, 1998;COTAN et al, 2006;COSTA;MELO;CORREIA, 2009;BICUDO;SADO;CYRINO, 2010). In contrast, Bomfim et al (2005) reported that elevated CP levels in "curimbatá" fingerlings improved PER up to a certain level; suggesting that PER can be improved until the protein requirement is achieved and subsequently decreases with further increases in protein levels.…”
Section: Resultsmentioning
confidence: 57%
“…In contrast, Cotan et al (2006) found higher NRE values in "lambari tambiú" fingerlings fed diets with lower protein levels.…”
Section: Resultsmentioning
confidence: 67%
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“…Some studies have reported the relevance of the balance between protein and energy in fish diets (Bomfim et al, 2005;Cotan et al, 2006;Piedras et al, 2006;Ali et al, 2008). If this ratio is unbalanced during fish growth, the proteins in the diet can be used as energy source (Kubitza, 2000) or directed to protein metabolism (Meurer et al, 2002).…”
Section: Resultsmentioning
confidence: 99%
“…Table 1 shows the formulation (COTAN et al, 2006) and composition of the extruded The sampled fish were collected from those that fasted for 24 hours prior to sampling. The following variables were determined: diet consumption (DC), apparent feed conversion (AFC), weight gain (WG), specific growth rate (SGR) and protein efficiency rate ( Fish glycemia levels (n=10 per treatment) were measured by a portable glucose meter (Roche, BIDINOTTO et al (1997).…”
Section: Introductionmentioning
confidence: 99%