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Senegalese sole post-larvae exhibit daily thythmicity of feed intake and protein metabolism

AuthorsNavarro-Guillén, Carmen; Yúfera, Manuel ; Engrola, Sofía
Issue DateOct-2014
CitationAquaculture Europe (2014)
AbstractTo attain higher growth, and consequently, greater profitability in hatcheries it is essential to understand species feeding behavior and nutritional requirements. It has been reported that larvae do not display constant food ingestion under natural or laboratory conditions but have daily feeding rhythms (Kotani & Fushimi, 2011). Sole is a species with a complex metamorphosis, which implies important changes in food habits and in digestive physiology. In juveniles and adults it was suggested the existence of circadian feeding rhythms (Navarro et al., 2009), nevertheless, the larval daily feeding rhythm and the potential effect on digestive and efficiency remain unknown.The aim of this study was to understand the daily feeding behavior and digestive metabolism of Senegalese sole post-larvae (35 days post hatching-dph) under a 12h light:12h dark photoperiod in order to improve feeding protocols and promote growth.
DescriptionTrabajo presentado en Aquaculture Europe (Adding value), celebrado en San Sebastián del 14 al 17 de octubre de 2014.
Appears in Collections:(ICMAN) Comunicaciones congresos
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