Rev. biol. mar. oceanogr. 49(3): 601-606

Nota Científica

Respuesta de metabolitos en hemolinfa y desempeño productivo del camarón blanco del Pacífico Litopenaeus vannamei cultivado a altas densidades en laboratorio

Dámaris Rubio-Gastélum¹, Wenceslao Valenzuela-Quiñónez³, Gaspar M. Parra-Bracamonte² y Apolinar Santamaria-Miranda³

¹Programa de Doctorado en Biotecnología, Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Sinaloa, Boulevard Juan de Dios Bátiz Paredes 250, Guasave, Sinaloa 81101, México

²Instituto Politécnico Nacional, Centro de Biotecnología Genómica, Boulevard del Maestro s/n esq. Elías Piña, Col. Narciso Mendoza, Cd. Reynosa, Tamaulipas, C.P. 88710, México

³Instituto Politécnico Nacional, Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Sinaloa, Departamento de Acuacultura, Boulevard Juan de Dios Bátiz Paredes 250, Guasave, Sinaloa 81101, México

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In shrimp farming, one of the most important challenges is to increase shrimp production, which has encouraged increased seeding rates. In this study, the response of metabolites in hemolymph and performance of white shrimp (Litopenaeus vannamei) grown at high densities was evaluated, using total protein, lactate and glucose concentrations as stress indicators. At the beginning of the bioassay, lactate was high, while growth and specific survival were poorer, which is inferred as a response to seeding- time stress. At the end of the bioassay was obtained statistical difference in total protein levels, with an increase of final weight and survival.

Key words:  Litopenaeus vannamei, stress, metabolites, productivity