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ResumenEl objetivo de esta investigaciön es determinar el efecto del tipo de alimento -uno vivo, representado por Daphnia pulex y uno balanceado de la marca Purina Camaronina 35 con 35% de proteinas- y la calidad del agua -presencia y ausencia de microorganismos, y sölidos suspendidos- en el crecimiento y sobrevivencia de postlarvas del crustaceo Cambarellus montezumae. Para lo cual, se formaron 4 tratamientos que se evaluaron durante 14 semanas, mediante la realizaciön de observaciones y biometnas periödicas como seguimiento del desarrollo en los organismos. Los datos obtenidos registraron diferencias significativas entre tratamientos (p< 0.05), en donde los mejores resultados de crecimiento y sobrevivencia se obtuvieron en los organismos alimentados con el alimento balanceado (M2 y M4), independientemente de la calidad del agua. Ademas, se obtuvieron valores de proteinas de hasta 45% y en la fracciön lipidica se identificaron los acidos grasos 20:4 n6 (ARA), 20:5 n3 (EPA) y 22:6 n3 (DHA) al considerar el cuerpo total del organismo. Lo antes mencionado incrementa el interes por el cultivo sustentable de C. montezumae para ser utilizado en la industria alimentaria a traves de su adiciön en productos alimentarios de consumo humano debido a su contenido de biomoleculas de importancia biolögica.AbstractThe objective of this research was to determine the effect of the type of food -a line one represented by Daphnia pulex and a one commercial Camaronina 35 by Purina with 35% protein- and water quality -presence and absence of microorganisms and suspended solids- on growth and survival of postlarvae of the crustacean Cambarellus montezumae. Four treatments were evaluated for 14 weeks conducting observations and periodic measurements as a follow-up of the development of the organisms. The obtained data showed significant differences between treatments (p< 0.05), where the best results in growth and survival were obtained in the organisms fed on animal feed (M2 and M4) regardless of the water quality. In addition, values of up to 45% protein were obtained and the lipid fraction identified as the fatty acids 20:4 n6 (ARA), 20:5 n3 (EPA) and 22:6 n3 (DHA) when considering the total body of the organisms. Our results increase the interest in the sustainable culture of C. montezumae to be used in the food industry through its addition to food products for human consumption due to its content of biomolecules of biological importance

Efecto interactivo del alimento y la calidad de agua en el crecimiento y sobrevivencia de postlarvas de acocil de río Cambarellus montezumae