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handle: 10261/266340
[ES] Se describe una metodología para el engorde de Artemia como alimento para el caballito de mar narizón Hippocampus guttulatus. Los nauplios de Artemia se alimentaron durante 15 días en función de las siguientes variables: densidad inicial de nauplios (1, 2 y 3 nauplios/ml) y dosis de alimento (x1, x2 y x3). La alimentación consistió en Isochrysis galbana, Spirulina seca y Prolon, dependiendo de la fase de crecimiento. Se analizaron la supervivencia de los ejemplares de Artemia hasta su estado adulto, el crecimiento (peso y longitud), la biomasa producida y su composición en ácidos grasos. Los mejores rendimientos se obtuvieron con una densidad inicial de 2 nauplios ml-1 (50.000 nauplios) y una dosis de alimento x2. En esas condiciones es posible producir la biomasa de Artemia adulta necesaria para la alimentación de 30-60 caballitos adultos durante 7 días
[EN] A methodology is described for the ongrowing of Artemia as live food for the long-snouted seahorse Hippocampus guttulatus. Artemia nauplii were hatched and fed for 15 days considering the following variables: initial nauplii density (1, 2 and 3 nauplii/ml) and food level (x1, x2 y x3). Feeding consisted on Isochrysis galbana, dried Spirulina and Prolon, depending on the growing stage. Survival and growth (length and weight) of Artemia specimens were monitored, and harvested biomass was analysed for fatty acid content. The results show that the best overall performances were achieved with an initial density of 2 nauplii ml-1 (50.000 nauplii) and x2 feeding dose. Under such conditions, the biomass of adult specimens of Artemia produced allowed the feeding of 30-60 adult seahorses for 7 days
Este trabajo ha sido realizado por el Proyecto Hippocampus (Proyecto CGL2005-05927-C03-01, MEC, Plan Nacional I+D+I 2004-2007)
4 pages, 1 table, 2 figures.-- XI Congreso Nacional de Acuicultura, Vigo 25-28 de septiembre de 2007
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