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      Produtos anestésicos para juvenis de carpa húngara ("Cyprinus carpio") Translated title: Anesthetics products for Hungarian carp fingerlings ("Cyprinus carpio")

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          Abstract

          Nos procedimentos em piscicultura, os peixes são facilmente estressados nas diferentes etapas de criação. Assim, é importante o uso de anestésicos para prevenir injúrias físicas e promover a redução do metabolismo, resultando em melhor bem-estar aos peixes. O objetivo deste estudo foi analisar a indução anestésica em juvenis de carpa húngara (Cyprinus Carpio) expostos a diferentes doses de eugenol (20; 30; 40 e 50mg/L), ketamina (300; 600; 900 e 1200mg/L), xilazina (800; 1100; 2000mg/L) e da associação ketamina/xilazina (300/300; 600/600; 900/900 e 1200/1200mg/L). Cada dosagem foi testada em grupos de dez peixes escolhidos ao acaso (n=10), submetidos individualmente ao banho com anestésico em recipiente contendo 1 litro de água. Todos os procedimentos experimentais foram iguais nos ensaios. Após, foram analisados os tempos de anestesia (TA) e de recuperação (TR). Os anestésicos eugenol, ketamina e a associação ketamina/xilazina permitiram que os juvenis de carpa húngara atingissem a anestesia profunda. Entretanto, os dois últimos produtos testados causaram mortalidade em algumas doses. A xilazina não promoveu anestesia em nenhuma das doses testadas. Dentre os anestésicos testados, o eugenol na dose 50mg/L, demonstrou indução anestésica e tempo de recuperação satisfatório para juvenis de carpa.

          Translated abstract

          In the aquaculture procedures, the fishes are easily stressed in differetn rearing phases. So, is important the use of anesthetics for to prevent physical injuries and promote metabolism decrease, resulting in improved welfare for fish. The aim of this study was analyze the anesthetical induction of Hungarian carp fingerlings (Cyprinus Carpio) displayed of the different dosages of eugenol (20, 30, 40 and 50mg/L), ketamine (300, 600, 900 and 1200mg/L), xylazine (800, 1100, 2000mg/L) and the ketamine/xylazine association (300/300, 600/600, 900/900 and 1200/1200mg/L). Each dosage was tested for ten fish, individually subjected to the anesthetic bath with container containing 1 liter of water. All experimental procedures were the same as in the tests. After, it was analyzed the anesthetic time (TA) and the recovery time (TR). The anesthetics eugenol, ketamine and the ketamine/xylazine association allowed the deep anesthesia, but xilazine didn't allow it. Among the anesthetics tested, eugenol at 50mg/L demonstrated better anesthetic induction and recovery time for carp juveniles.

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          Most cited references34

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          Eugenol as an efficacious anaesthetic for tambaqui, Colossoma macropomum (Cuvier)

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            Clove oil as anaesthetic for juveniles of matrinxã Brycon cephalus (Gunther, 1869)

            Many chemicals have been used as anaesthetics in fish farms and fish biology laboratories to keep the fish immobilized during handling procedures and to prevent accidents and animal stress. In Brazil, tricaine methane sulfonate (MS 222), quinaldine sulfate, benzocaine, and phenoxyethanol are the most common fish anaesthetics used to prevent fish stress during handling, but many side effects such as body and gill irritations, corneal damage and general risks of intoxication have been reported. Clove oil is a natural product proposed as an alternative fish anaesthetic by many researchers and it has been used in many countries with great economic advantages and no apparent toxic properties. In this work, we assessed the suitability of clove oil to anaesthetize matrinxã. Sixty-three juveniles of matrinxã were exposed to seven anaesthetic batches of clove oil (pharmaceutical grade) namely 18, 20, 30, 40, 50, 60, and 70 mg/L. The times to reach total loss of equilibrium and to recover the upright position were measured. Clove oil concentration about 40 mg/L was enough to anaesthetize the fish in approximately one minute and the recovery time was independent in regard to anaesthetic concentration.
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              Comparison of tricaine methanesulphonate (MS222) and clove oil anaesthesia effects on the physiology of juvenile chinook salmon Oncorhynchus tshawytscha (Walbaum)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbspa
                Revista Brasileira de Saúde e Produção Animal
                Rev. bras. saúde prod. anim.
                UFBA - Universidade Federal da Bahia (Salvador, BA, Brazil )
                1519-9940
                June 2014
                : 15
                : 2
                : 406-414
                Affiliations
                [04] Palmeira das Missões Rio Grande do Sul orgnameUniversidade Federal de Santa Maria Brasil
                [01] Porto Alegre Rio Grande do Sul orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Departamento de Zootecnia orgdiv2Programa de Pós-Graduação em Zootecnia Brasil
                [02] Palmeira das Missões Rio Grande do Sul orgnameUniversidade Federal de Santa Maria orgdiv1Departamento de Zootecnia e Ciências Biológicas Brasil
                [03] Marechal Cândido Rondon Paraná orgnameUniversidade Estadual do Oeste do Paraná orgdiv1Programa de Pós-Graduação em Zootecnia Brasil
                Article
                S1519-99402014000200022
                3a819ffd-8742-49c0-9df1-227c1fdf87f3

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

                History
                : 22 September 2013
                : 27 June 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 23, Pages: 9
                Product

                SciELO Brazil

                Categories
                Recursos Pesqueiros/Aqüicultura

                anesthesia,eugenol,ketamine,xylazine,anestesia,ketamina,xilazina
                anesthesia, eugenol, ketamine, xylazine, anestesia, ketamina, xilazina

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