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Cofeeding of phospholipids to turbot Scophthalmus maximus L. larvae as a tool to reduce live food consumption
Dhert, P.; González Félix, M.; Van Ryckeghem, K.; Geurden, I.; Thysen, F.; Lebegue, E.; Lavens, P.; Sorgeloos, P. (1999). Cofeeding of phospholipids to turbot Scophthalmus maximus L. larvae as a tool to reduce live food consumption. Aquacult. Nutr. 5: 237-245
In: Aquaculture Nutrition. Blackwell Science: Oxford. ISSN 1353-5773; e-ISSN 1365-2095, more
Peer reviewed article  
Available in  Authors 
Keywords
    Aquaculture techniques
    Aquatic organisms > Food organisms
    Cultures > Fish culture
    Developmental stages > Larvae > Fish larvae
    Feeding experiments
    Scophthalmus maximus
    Artemia Leach, 1819 [WoRMS]
    Marine/Coastal
Authors  Top 
  • Dhert, P., more
  • González Félix, M.
  • Van Ryckeghem, K.
  • Geurden, I.
  • Thysen, F.
  • Lebegue, E.
  • Lavens, P., more
  • Sorgeloos, P., more
Abstract
    The possible benefits of feeding a formulated diet, together with Artemia , to first-feeding turbot larvae were investigated. Five dietary regimes were used: control ( Artemia only), cofeeding with a diet rich in phospholipid (PL) from bovine brain, cofeeding with a diet rich in free fatty acids (FFA) from the same source, cofeeding with a commercial diet (Lansy A2), and a formulated feed only (PL-rich diet). All treatments with artificial diets and the control treatment that received Artemia exclusively gave a similar survival rate of the fish at day 29. Cofeeding with artificial diets resulted in a lower growth rate than the control treatment. Cofeeding the larvae with PL-rich or FFA-rich diets did not affect the pigmentation or resistance to salt stress of the larvae. Complete substitution of Artemia by the phospholipid diets from day 20, however, resulted in severe stress and pigmentation problems. Cofeeding might have interesting features for application since it may reduce the amount and cost of live food and also offer to the fish larvae essential nutrients that are not contained in sufficient amounts in the (enriched) live food.
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