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Reproducción y cultivo larvario del lenguado, Solea senegalensis, en el Centro Oceanográfico de Vigo

Authors: Cal, R. (Rosa); Álvarez-Blázquez, B. (Blanca); Gómez-Ceruelo, M.C. (María Castora); Linares, F. (Fátima); Olmedo-Herrero, M. (Mercedes); Peleteiro-Alonso, J.B. (José Benito);

Reproducción y cultivo larvario del lenguado, Solea senegalensis, en el Centro Oceanográfico de Vigo

Abstract

Dentro del proyecto “Análisis y estudio de factores de cultivo que condicionan la producción industrial del lenguado senegalés (Solea senegalensis)” financiado por el Plan Nacional JACUMAR, en el año 2006 se adapta a cautividad un lote de reproductores de lenguado senegalés, capturados en aguas gallegas (T-2) compuesto por 65 ejemplares de 950±293.56 g de peso medio y una relación macho/hembra aproximada de 1/1. También se mantiene otro lote de reproductores procedente de cultivo (T-1) compuesto por 100 peces de de 1139±264.44 g de peso medio. Ambos grupos se sometieron a un control de luz atenuada durante el día y a termoperíodo en diente de sierra desde el mes de febrero, obteniéndose respuesta a los 2 meses aproximadamente. Del lote T-2 se obtuvieron puestas viables desde el mes mayo hasta noviembre, en que se volvió al mantenimiento bajo termoperíodo natural. Se obtuvieron 12.6x106 huevos totales y 5.6x106 huevos viables, que dieron lugar a una producción de un millón de larvas. El cultivo larvario se llevó a cabo siguiendo la técnica tradicional de cultivo para esta especie (Cañavate y Fernández-Díaz, 1999), pero rebajando considerablemente los tiempos de utilización de Artemia con el fin de reducir su consumo. La secuencia de alimentación fue: Rotífero: d2-d9, A0: d8-d15, A1-A2: d15-d49 y coalimentación (Artemia+pienso): d22-d50, obteniendo una supervivencia del 45% de peces destetados.

Reproduction and larval culture of sole (Solea senegalensis) in Galicia Under the project entitled “Analysis and study of culture factors affecting the industrial production of senegalese sole (Solea senegalensis)”, funded by the JACUMAR National Plan, in 2006, a broodstock senegalese sole was consolidated, caught in Galician waters (T-2), comprising 65 individuals with an average body weight of 950±293.56 g and an approximate male/female ratio of 1/1. Another broodstock from a culture (T-1) was maintained, comprising 100 fish with an average body weight of de 1139±264.44 g. Both stocks were subjected to an attenuated light control during one day and a saw edge thermoperiod control from february, obtaining a response after approximately 2 months. Viable spawns were obtained from batch T-2, from may to november, when the thermoperiod control was cancelled. A total of 12.6x106 eggs were obtained and 5.6x106 viable eggs, which led to the production of a million larvae. Larval culture was conducted following the traditional culture technique for this species (Cañavate y Fernández-Díaz, 1999), but considerably reducing the usage times for Artemia in order to reduce consumption. The feeding sequence was: Rotifer: d2-d9, A0: d8-d15, A1-A2: d15-d49 and cofeeding (Artemia+dry food) d22-d50, obtaining a 45% survival rate among the weaned fish.

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Spain
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Keywords

Acuicultura, Centro Oceanográfico de Vigo

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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