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      Substituição da farinha de peixe em dietas para camarões marinhos cultivados em sistema bioflocos Translated title: Substitution of fish meal in diets for marine shrimp grown in a biofloc system

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          Abstract

          O objetivo deste trabalho foi avaliar a substituição de dois níveis de inclusão de farinha de peixe por outros ingredientes, nas dietas de Litopenaeus vannamei cultivados em sistema bioflocos. Foram avaliadas dietas sem uso de farinha de peixe (dieta A, 100% de substituição), com inclusão de 12,5% de farinha de peixe (dieta B, 40% de substituição) e direta controle com inclusão de 21% (dieta C, 0% de substituição). Nas dietas A e B, o farelo de soja e as farinhas de carne e vísceras foram os principais substitutos proteicos. Foram analisados os índices de desempenho dos camarões e os parâmetros físicos e químicos da água de cultivo. Os camarões alimentados com a dieta B apresentaram maior peso final (11,63±1,38 g), em comparação aos camarões alimentados com a dieta A (peso final, 9,39±0,31 g) e com a dieta C (peso final, 10,20±1,10 g). Os demais parâmetros de desempenho como produtividade, conversão alimentar e sobrevivência não apresentaram diferenças entre os tratamentos. A redução de até 40,0% da farinha de peixe pode ser feita em cultivos superintensivos de L. vannamei com bioflocos, sem interferir em seu desempenho zootécnico e na qualidade de água do cultivo.

          Translated abstract

          The objective of this work was to evaluate the substitution of two fish meal inclusion levels by other ingredients, in the diets of Litopenaeus vannamei reared in a biofloc system. The following diets were evaluated: without fish meal (diet A, 100% replacent), with addition of 12.5% of fish meal (diet B, 40% replacent), and a control diet with addition of 21% (diet C, 0% replacent). In diets A and B, soybean meal and meat and viscera meals were the main protein replacement. The performance indexes of shrimps and the physical and chemical parameters of water were analyzed. Shrimp fed diet B had higher final weight (11.63±1.38 g), compared to shrimp fed a diet A (9.39±0.31 g final weight) or C (10.20±1.10 g final weight). The other parameters of performance such as yield, feed conversion and survival did not differ between treatments. The reduction of fish meal by 40.0% can be done in a L. vannamei superintensive biofloc system without interfering on their growth performance or on the water quality of the culture.

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          Most cited references28

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          Utilization of plant proteins in fish diets: effects of global demand and supplies of fishmeal

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            Carbon/nitrogen ratio as a control element in aquaculture systems

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              Engineering analysis of the stoichiometry of photoautotrophic, autotrophic, and heterotrophic removal of ammonia–nitrogen in aquaculture systems

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                Author and article information

                Journal
                pab
                Pesquisa Agropecuária Brasileira
                Pesq. agropec. bras.
                Embrapa Secretaria de Pesquisa e Desenvolvimento; Pesquisa Agropecuária Brasileira (Brasília, DF, Brazil )
                0100-204X
                1678-3921
                August 2011
                : 46
                : 8
                : 928-934
                Affiliations
                [01] Florianópolis SC orgnameUniversidade Federal de Santa Catarina orgdiv1Centro de Ciências Agrárias orgdiv2Departamento de Aquicultura vinatea@ 123456mbox1.ufsc.br
                Article
                S0100-204X2011000800020 S0100-204X(11)04600820
                10.1590/S0100-204X2011000800020
                8b55ae2f-f659-4a87-9c9f-9d8e1ebc2159

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 23 August 2011
                : 22 February 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 7
                Product

                SciELO Brazil

                Categories
                Nutrição Animal

                shrimp culture,sistema heterotrófico,carcinicultura,Litopenaeus vannamei,heterotrophic system

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