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      Efeito da suplementação de metionina e/ou lisina no crescimento e na sobrevivência de alevinos de peixe-rei (Odontesthes bonariensis) Translated title: Effect of methionine and lysine supplementation on growth and survival of pejerrey (Odontesthes bonariensis) fingerlings

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          Abstract

          Para avaliar o efeito da suplementação de metionina e lisina sobre o desempenho de alevinos de peixe-rei (Odontesthes bonariensis), estabeleceu-se um experimento completamente casualizado com quatro tratamentos. A dieta T1 (controle) continha as concentrações de metionina e lisina disponíveis nos produtos usados na formulação da mesma. A dieta T2 foi suplementada com 4,76% de DL-metionina; a dieta T3, com 4,76% de L-lisina; e a dieta T4, com 4,54% de DL-metionina e 4,54% de L-lisina. As dietas suplementadas com metionina foram mais eficientes que a dieta-controle e a suplementada apenas com lisina, pois esta não apresentou diferença em relação à dieta-controle, comprovando que a quantidade de lisina disponível nos produtos utilizados na elaboração das dietas atende às necessidades dos alevinos de peixe-rei. A quantidade de metionina disponível nestas formulações é insuficiente para o bom desempenho dos alevinos, devendo ser suplementada.

          Translated abstract

          A completely randomized experiment was run to evaluate the effect of methionine and lysine supplementation on the pejerrey (Odontesthes bonariensis) fingerlings performance. Four treatments were compared: Diet T1 control, with available contents mehionine and lysine in products used in formulation of diets; Diet T2 supplemented with 4.76% of DL- methionine; Diet T3 supplemented with 4.76% of L- lysine and Diet T4 with 4.54% of DL methionine and 4.54% of L lysine. Resulted showed that diets containing methionine were more efficient than control diet and diet with lysine only. Control diet did not differ from diet with lysine supplementation only. It is shown that contents of available lysine in products used in the formulation of diets meet pejerrey fingerlings requirements. Amounts of methionine in control diet are insufficient for fingerlings growth. A supplementation of this aminoacid is required to maximize performance.

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          Partial substitution of soybean meal with animal protein sources in diets for channel catfish

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            Response of Largemouth Bass Micropterus salmoides to Dietary Supplementation of Lysine, Methionine, and Highly Unsaturated Fatty Acids

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              Nutrition of aquaculture species.

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                Author and article information

                Journal
                rbz
                Revista Brasileira de Zootecnia
                R. Bras. Zootec.
                Sociedade Brasileira de Zootecnia (Viçosa, MG, Brazil )
                1516-3598
                1806-9290
                December 2004
                : 33
                : 6
                : 1366-1371
                Affiliations
                [03] orgnameUFPel orgdiv1Departamento de Zootecnia giuh@ 123456terra.com.br
                [01] orgnameUCPel sergiopiedras@ 123456hotmail.com
                [02] orgnameUCPel orgdiv1Depto Zootecnia juvencio@ 123456ufpel.tche.br
                Article
                S1516-35982004000600002 S1516-3598(04)03300602
                e3582120-b356-40c1-aaab-21f6536daae8

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

                History
                : 11 August 2003
                : 17 March 2004
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 27, Pages: 6
                Product

                SciELO Brazil

                Self URI: Texto completo somente em PDF (PT)
                Categories
                Aqüicultura

                aminoacid,Atherinidae,diet,aminoácido,dieta
                aminoacid, Atherinidae, diet, aminoácido, dieta

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