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Revista iPecege
Article . 2017 . Peer-reviewed
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Revista iPecege
Article
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Maximização do lucro na substituição de fontes proteicas na ração de juvenis de dourado

Authors: Fernando Yamamoto; Daniel Yokoyama Sonoda; José Eurico Possebon Cyrino;

Maximização do lucro na substituição de fontes proteicas na ração de juvenis de dourado

Abstract

Peixes ictiófagos têm alta exigência dietética em proteína e, consequentemente, as dietas para estas espécies encontram-se entre as mais caras no mercado de alimentos para animais. O objetivo deste trabalho foi determinar o ponto de máximo lucro na substituição de farinha de peixe por farelo de soja das dietas para a produção de juvenis de dourado Salminus brasiliensis. Grupos de 12 juvenis da espécie (8,97±0,33g) foram estocados em tanques de 500 L em circuito fechado de circulação de água em um delineamento experimental aleatório (n=4), e alimentados até saciedade aparente em duas refeições diárias por 100 dias com rações extrudadas isoproteicas (39% proteína digestível) e isoenergéticas (3900 kcal energia digestível), contendo níveis graduais de substituição de farinha de peixe [FP] por farinha de soja [FS] (100% FP, 80% FP, 60% FP, 40% FP, 20% FP, 0% FP). Os índices de desempenho dos peixes foram analisados pelo método de maximização de lucro, considerando-se os preços por kg de venda do dourado (R$ 20,00), do FS (R$ 1,14) e da FP (R$ 3,50). O percentual de farinha de peixe nas dietas que maximiza o lucro foi de 83,51%.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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