2011
DOI: 10.1590/s1516-35982011001200005
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Fósforo na alimentação de pacu (Piaractus mesopotamicus)

Abstract: RESUMO -Objetivou-se avaliar o uso de fósforo na dieta de juvenis de pacu (Piaractus mesopotamicus) sobre a qualidade da água, o desempenho zootécnico, o rendimento corporal e a composição química da carcaça. Foram utilizados 100 juvenis com peso médio inicial de 25,9±1,32 g, distribuídos em delineamento inteiramente ao acaso, em 20 tanques de fibra de vidro, com cinco tratamentos e quatro repetições. Os peixes foram alimentados quatro vezes ao dia, às 8; 11; 14 e 17 h, com dietas extrusadas contendo 0,40; 0,5… Show more

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Cited by 8 publications
(9 citation statements)
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References 22 publications
(11 reference statements)
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“…However, phosphorous values in the carcasses were higher in the present study (approximately 0.7%) than those observed by Signor et al (2011), who observed values of approximately 0.4%. It is important to highlight that the fish in the two studies were of different ages and weights.…”
Section: Resultscontrasting
confidence: 89%
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“…However, phosphorous values in the carcasses were higher in the present study (approximately 0.7%) than those observed by Signor et al (2011), who observed values of approximately 0.4%. It is important to highlight that the fish in the two studies were of different ages and weights.…”
Section: Resultscontrasting
confidence: 89%
“…Similar data were observed by Furuya et al (2008), who studied the availability of this mineral for tilapia and indicated that the excretion of fecal phosphorus per kg of produced fish increased linearly with available phosphorus levels of 0.25, 0.35, 0.45 and 0.55%. The data from the present study are also in accordance with Oliva-Teles and Pimentel-Rodrigues (2004), which shows that diets with available phosphorus values above the requirements for pacu (0.4% to 0.6% according to Signor et al (2011) andDiemer et al (2014), respectively) are not required. However, to obtain formulations with levels below 0.6%, feeds with large quantities of animal-derived ingredients, which often enjoy high availability and low cost in the market and include meat and bone meal and other by-products of agro-industrial meat processers, should be avoided.…”
Section: Resultssupporting
confidence: 87%
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“…To the best of our knowledge, there are just two studies with Pacu ( Piaractus mesopotamicus ), a Neotropical fish from the same family as tambaqui (Signor et al . ; Diemer et al . ), and until now, there is no report with tambaqui.…”
Section: Introductionmentioning
confidence: 99%