2010
DOI: 10.1590/s1516-35982010001100004
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Proteína e energia na alimentação de pacus criados em tanques-rede

Abstract: RESUMO -O objetivo neste trabalho foi avaliar o desempenho de pacus (Piaractus mesopotamicus) criados em tanquesrede e alimentados com dietas contendo níveis de proteína bruta (PB) e energia digestível (ED). Foram utilizados 3.960 peixes com 293,38 ± 5,67 g de peso inicial, distribuídos em 18 tanques-rede de 5 m 3 , com 220 peixes por unidade experimental (44 peixes/m 3 ), em esquema fatorial 3 × 2, composto de três níveis de proteína bruta (25, 30 e 35%) e dois de energia digestível (3.250 e 3.500 kcal/kg). O… Show more

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Cited by 37 publications
(31 citation statements)
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“…The intraperitoneal fat index was lower than that reported by and Signor et al (2010), although similar to that observed by Hilbig et al,(2012) for the pacu. Change in the intraperitoneal fat index occurred if fish required fat to obtain energy, a fact that occurred during long fasting (Hilbig et al, 2012).…”
Section: Resultssupporting
confidence: 85%
See 1 more Smart Citation
“…The intraperitoneal fat index was lower than that reported by and Signor et al (2010), although similar to that observed by Hilbig et al,(2012) for the pacu. Change in the intraperitoneal fat index occurred if fish required fat to obtain energy, a fact that occurred during long fasting (Hilbig et al, 2012).…”
Section: Resultssupporting
confidence: 85%
“…Moreover, selenium and vitamin E separately did not affect (P>0.05) main trunk yields, hepatosomatic index and intraperitoneal fat. Signor et al (2010) reported approximately a 60% main trunk yield, or rather, above the average value of 50.60% found in current analysis. An increase in fish size provided a higher main trunk yield.…”
Section: Resultscontrasting
confidence: 44%
“…Com a expansão da aquicultura observa-se a busca pela otimização nas formulações de rações, crescendo o número de pesquisas sobre as exigências nutricionais (GON-ÇALVES et al, 2004;SIGNOR et al, 2010;BOMFIM et al, 2010), substituição de fontes alimentares (MELO et al, 2012;SILVA et al, 2014) e utilização de enzimas exógenas que atuam aumentando a biodisponibilidade de alguns nutrientes (PORTZ; BENKENDORFF; LIEBERT, 2003;SILVA et al, 2007), melhorando o desempenho produtivo, reduzindo os impactos causados por elevadas excreções de fósforo e nitrogênio no ambiente aquático (ROCHA et al, 2008;MELO et al, 2012). O fósforo como um importante mineral utilizado na nutrição de peixes atua no crescimento, mineralização ós-Disponibilidade do fósforo em... PONTES et al sea e metabolismo de lipídios (QUINTERO-PINTO et al, 2011).…”
Section: Introductionunclassified
“…This species is of great importance to aquaculture, for it presents quick growth, rusticity to handling, easy adaptation to artificial feeding and great acceptance by the consumer market (Urbinati & Gonçalves, 2005). Its adaptability to the system of net-cage rearing was proven by Signor et al (2010), who studied the relation between protein and energy and by Bittencourt et al (2010), who verified the best stocking density for the pacu reared in net cages.…”
Section: Introductionmentioning
confidence: 99%