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      Suplementação de vitamina C na estruturação do tecido conjuntivo de melanotênia‑maçã Translated title: Vitamin C supplementation in the structuring of connective tissue of red rainbowfish

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          Abstract

          Peixes cultivados mostram-se altamente sensíveis a dietas deficientes em ácido ascórbico com sinais clínicos que afetam o desempenho e a comercialização por provocar deformidades. Com objetivo de conhecer os níveis mínimos para a melanotênia-maçã, foram testadas seis rações isoaminoacídicas e isocalóricas com níveis variados de vitamina C ativa. Ao final dos 42 dias experimentais, 36 peixes foram analisados histologicamente quanto à porcentagem de tecido conjuntivo e fibras musculares a fim de determinar a influência da porcentagem de Vitamina C nesses índices. Apesar de as médias serem estatisticamente iguais do ponto de vista quantitativo, qualitativamente os níveis mais altos de vitamina C possibilitaram melhor estrutura tecidual. A desestruturação do tecido muscular é um indicativo da deficiência alimentar com ácido ascórbico.

          Translated abstract

          Farmed fishes are highly sensitive to diets deficient in ascorbic acid with clinical symptoms that affect performance and commercialization for causing deformities. Aiming to meet the minimum levels for red rainbow fish, six isoaminoacid and isocaloric diets with varying levels of active vitamin C were tested. At the end of 42 days experimental period, 36 fishes were histologically analyzed for the percentage of connective tissue and muscle fibers in order to determine the influence of the Vitamin C percentage in those ratios. Although the averages are statistically indistinguishable from the quantitative point of view, qualitatively higher levels of vitamin C allow better tissue structure. The breakdown of muscle tissue is indicative for dietary deficiency of ascorbic acid.

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          Most cited references20

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          Nutrition and Feeding of Fish

          Tom Lovell (1998)
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            Influence of dietary vitamin C on the wound healing process in rainbow trout (Oncorhynchus mykiss)

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              The Role of Ascorbic Acid in Fish Disease and Tissue Repair

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA (Rio de Janeiro )
                1678-5150
                August 2014
                : 34
                : 8
                : 780-784
                Affiliations
                [1 ] Escritório Regional do Médio Paraíba Brazil
                [2 ] Universidade Federal de Viçosa Brazil
                [3 ] Universidade Estadual do Norte Fluminense Brazil
                [4 ] Embrapa Pesca e Aquicultura Brazil
                [5 ] Instituto Federal de Educação, Ciência e Tecnologia do Espirito Santo Brazil
                [6 ] Instituto Federal de Mato Grosso Brazil
                Article
                S0100-736X2014000800013
                10.1590/S0100-736X2014000800013
                2509212b-3475-48da-b735-2845888a7647

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-736X&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Ascorbic acid,Glossolepis incisus,ornamental fish,fish farming,collagen,Ácido ascórbico,peixe ornamental,piscicultura,colágeno

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