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      Growth and longevity of the freshwater prawn Macrobrachium brasiliense (Decapoda: Palaemonidae) Translated title: Crecimiento y longevidad del camarón de agua dulce Macrobrachium brasiliense (Decapoda: Palaemonidae)

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          Abstract

          Abstract Growth and longevity parameters of males and females of Macrobrachium brasiliense were analyzed. Sampling was carried out monthly from July 2012 to June 2013 in Triângulo Mineiro region, Minas Gerais, Brazil. A total of 199 adult prawns (97 males and 102 females) were analyzed and measured according to the carapace length (CL, mm). Males (9.64 ± 4.17 mm, CL) were larger than females (7.7 ± 3.39 mm, CL). CL growth curves by the von Bertalanffy model are described by the equations CL = 21.0 [1 - e -0.00446 (t)] for males and CL = 20.0 [1 - e -0.00454 (t)] for females. Comparison of the growth curves by performing the F-type test, showed that there was no difference between the growth coefficients (K) of males and females (GL22; F3.16 = 2.476; p = 0.088). Longevity was estimated as 2.83 years for males and 2.78 years for females. In general, the observed longevity is similar to that of other Macrobrachium species.

          Translated abstract

          Resumen En el presente estudio se analizaron los parámetros de crecimiento y longevidad de machos y hembras de Macrobrachium brasiliense. Las muestras se obtuvieron mensualmente desde julio/2012 hasta junio/2013 en la región de Triângulo Mineiro, Minas Gerais, Brasil. Un total de 199 camarones adultos (97 machos, 102 hembras) fueron analizados y medidos según la longitud del caparazón (CL, mm). Los machos (9.64 ± 4.17 mm, CL) fueron más grandes que las hembras (7.7 ± 3.39 mm, CL). Las curvas de crecimiento para CL por el modelo de von Bertalanffy se describen mediante las ecuaciones: CL = 21.0 [1 - e -0.00446 (t)] para los machos y CL = 20.0 [1 - e -0.00454 (t)] para las hembras. Al comparar las curvas de crecimiento con la prueba tipo F, no hubo diferencias entre los coeficientes de crecimiento (K) de machos y hembras (GL22; F3.16 = 2.476; p = 0.088). La longevidad se estimó en 2.83 años para los machos y 2.78 años para las hembras. En general, la longevidad observada es similar a la de las especies de Macrobrachium.

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          The Choice of a Class Interval

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            The Determination of Relative Growth in Crustacea

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              Interpretable Statistical Tests for Growth Comparisons using Parameters in the von Bertalanffy Equation

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                Author and article information

                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México, DF, Mexico )
                1870-3453
                2007-8706
                2022
                : 93
                : e933751
                Affiliations
                [2] Uberlândia Minas Gerais orgnameUniversidade Federal de Uberlândia orgdiv1Institute of Biology orgdiv2Laboratory of Ecology of Aquatic Ecosystem Brazil
                [1] Bauru São Paulo orgnameUniversidade Estadual Paulista Júlio de Mesquita Filho orgdiv1Faculty of Sciences orgdiv2Department of Biological Sciences Brazil
                [3] Ituiutaba Minas Gerais orgnameUniversidade Federal de Minas Gerais orgdiv1Ituiutaba Unit Brazil
                Article
                S1870-34532022000100312 S1870-3453(22)09300000312
                10.22201/ib.20078706e.2022.93.3751
                9572b860-ddbc-4b8b-b2e8-9264ba2958bd

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

                History
                : 16 September 2020
                : 25 July 2021
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 49, Pages: 0
                Product

                SciELO Mexico

                Categories
                Ecology

                Ecology
                Caridea,Estrategias de vida,Minas Gerais,von Bertalanffy,Life strategies
                Ecology
                Caridea, Estrategias de vida, Minas Gerais, von Bertalanffy, Life strategies

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