Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/12416
Título: Effect of different live prey, Grapsus grapsus Linnaeus 1758 and Plagusia depressa Fabricius, 1775 zoeas,over histology and biochemical composition of common octopus, octopus vulgaris Cuvier, 1797 paralarvae
Autores/as: Socorro Cruz, Juan Antonio
Roo, Javier 
Izquierdo, Marisol 
García Romero, Josefa
Carro, M.
Valencia, Antonio
Fernandez-Palacios, H. 
Clasificación UNESCO: 251092 Acuicultura marina
240110 Histología animal
Palabras clave: Crab zoea
Octopus
Paralarvae
Fecha de publicación: 2004
Resumen: Since paralarval rearing is still the main bottleneck for the development of octopus culture, the aim of the present study was to obtain some information on the feeding strategy and nutritional requirements during paralarval stage. For that purpose just hatched out octopus paralarvae were fed with live preys in three different combinations, trying to match their natural food: Enriched Artemia metanauplii, Grapsus grapsus zoeas supplemented with enriched Artemia, and Plagusia depressa zoeas supplemented with enriched Artemia. Paralarval treatments were carried out during 28 days in triplicates; fibre glass 120 l tanks in flow through system were used. Growth, in terms of dry body weight, mantle length and width, was determined each seven days. A histological study of the paralarval development was carried out. Biochemical composition of preys and paralarvae were determined. Growth was significantly better in paralarvae fed with zoeas and Artemia than in those fed only with Artemia, from day 8 after hatching. Besides a clear effect on the digestive gland histology morphology was observed.
URI: http://hdl.handle.net/10553/12416
Fuente: XI International Symposium on Nutrition and Feedin in Fish. 2004. Phuket, Thailand.
Colección:Póster de congreso
miniatura
Poster Pulpo
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