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      Monitoreo del crecimiento del Cocodrilo americano Crocodylus acutus, durante su primer año de vida en condiciones de cautiverio Translated title: Growth monitoring during captivity of the American Crocodile Crocodylus acutus along its first year

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          Abstract

          Un aspecto a considerar durante el cautiverio de crías de cocodrilo americano (Crocodylus acutus), es el relacionado con el tipo de crecimiento de los individuos. Para evaluarlo, se seleccionaron cuatro nidadas naturales en el estero La Ventanilla, Oaxaca, las cuales se mantuvieron en cautiverio a lo largo de un año. Con base en mediciones mensuales de longitud y peso se aplicaron varias ecuaciones de desarrollo, observándose el tipo de alométria, toda vez que se encontró una relación positiva entre la talla y el peso. De los modelos de crecimiento de dos parámetros empleados el que mejor se ajustó a los datos fue el lineal, mientras que de las igualdades de 3 parámetros el que presentó mejor ajuste fue el de von Bertalanffy. El incremento promedio para los organismos estudiados fue de 0.614 mm día-1, o 1.84 cm mes-1, lo cual es bajo comparado con estudios realizados en Jalisco, México. y Brasil, por lo que se considera que es importante revisar las condiciones prevalecientes durante el cautiverio.

          Translated abstract

          An aspect to consider during the captivity of the American crocodile (Crocodylus acutus), is that related to the individuals growth. In order to evaluate this issue, four natural nests from La Ventanilla, Oaxaca were selected, and kept in captivity one year. Based on monthly measurements of length and weight several growth models were applied. Allometric growth was observed due to the positive relationship between length and weight. Of the two parameter growth models used, the lineal type was the most appropriated. Of the three parameter growth models used, the von Bertalanffy type was the most adequate. Mean growth for the studied individuals was 0.614 mm day-1, or 1.84 cm month-1. This represents low values in comparison to other studies from Jalisco, Mexico and Brasil. Therefore, we consider it important to check the conditions that prevail during captivity.

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          Morphometric criteria for estimating sexual maturity in two snappers, Etelis carbunculus and Pristipomoides sieboldii

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            Biotatistical analysis

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              Ecology of Teleost Fish

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                Author and article information

                Journal
                hbio
                Hidrobiológica
                Hidrobiológica
                UAM, Unidad Iztapalapa (México, DF, Mexico )
                0188-8897
                August 2008
                : 18
                : 2
                : 125-136
                Affiliations
                [03] Oaxaca orgnameUniversidad del Mar orgdiv1Biología Marina México
                [04] Oaxaca orgnameSociedad Cooperativa La Ventanilla México
                [02] Glasgow orgnameUniversity of Glasgow orgdiv1Institue of Biomedical and Life Sciences UK
                [01] Oaxaca orgnameUniversidad del Mar orgdiv1Instituto de Recursos México j.meraz-hernando.1@ 123456research.gla.ac.uk
                Article
                S0188-88972008000200005 S0188-8897(08)01800200005
                074955d2-3555-4176-afe8-ae04fcec5306

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

                History
                : 30 July 2008
                : 20 December 2007
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 46, Pages: 12
                Product

                SciELO Mexico


                von Bertalanffy,growth,Crocodylus acutus,La Ventanilla,crecimiento

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