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Title: Effects of different dietary phospholipids levels on development of gilthead sea bream (Sparus aurata) larvae
Authors: Mohamed Ibrahim Azam, Reda Saleh 
Betancor, Mónica
Atalah, E.
Roo, J. 
Benítez-Santana, T.
Izquierdo, M. S. 
UNESCO Clasification: 310502 Piscicultura
Issue Date: 2010
Conference: 14th International Symposium on Fish Nutrition & Feeding
Abstract: The aim of the present study was to determine the influence of different levels of dietary phospholipids (PL) on the development of gilthead sea bream (Sparus aurata) larvae. Larvae were fed from 17 to 31 day post hatching (dph) five formulated microdiets with different levels of Krill phospholipids (PL)(0, 1, 2, 4 and 6 PL%). Highest growth, survival and resistance to stress was found in larvae fed 6% dietary PL although without significant difference with larvae fed 4% PL,(8.68±0, 24 8.43±0.34 mm in TL and 47.92±1.54 47.71±4.34% survival rate, for 6 and 4% PL respectively). Biochemical composition of larvae (31 dph) fed 4 and 6% dietary PL demonstrated significantly higher (P0. 05) total lipid content, and total n-3HUFA, EPA and n3/n6 both in neutral and polar lipids than larvae fed 0 and 1% dietary PL. The results of this study suggest a requirement of about 4-6% PL in diets for early weaning of gilthead sea bream larvae.
Appears in Collections:Actas de congresos
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