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Effect of dietary essential fatty acids on egg quality and larviculture success of the greasy grouper (Epinephelus tauvina F.): preliminary results
Dhert, P.; Lim, L.C.; Lavens, P.; Chao, T.M.; Chou, R.; Sorgeloos, P. (1991). Effect of dietary essential fatty acids on egg quality and larviculture success of the greasy grouper (Epinephelus tauvina F.): preliminary results, in: Lavens, P. et al. (Ed.) Larvi '91. Short communications and abstracts of contributions presented at the international Symposium on Fish and Crustacean Larviculture. Gent, Belgium, August 27-30, 1991. EAS Special Publication, 15: pp. 58-62
In: Lavens, P. et al. (1991). Larvi '91: Short communications and abstracts of contributions presented at the international Symposium on Fish and Crustacean Larviculture. Gent, Belgium, August 27-30, 1991. Special Publication European Aquaculture Society, 15. European Aquaculture Society: Gent. ISBN 90-71625-09-5. 427 pp., more
In: Special Publication European Aquaculture Society. European Aquaculture Society: Bredene. ISSN 0774-0689, more
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Keywords
    Acids > Organic compounds > Organic acids > Fatty acids
    Cells > Sexual cells > Eggs > Fish eggs
    Cultures > Fish culture
    Developmental stages > Larvae > Fish larvae
    Diets
    Nutritional requirements
    Survival
    Marine/Coastal
Authors  Top 
  • Dhert, P., more
  • Lim, L.C.
  • Lavens, P., more
  • Chao, T.M.
  • Chou, R.
  • Sorgeloos, P., more
Abstract
    In spite of its aquaculture potential, the larval rearing of greasy grouper (Epinephelus tauvina) remains problematic and is not yet commercially feasible. The low and unpredictable larval survival is due to difficulties encountered in spawning the broodstock, the small size of the larvae at first feeding, and the high sensitivity of the larvae until day 45. The nutritional requirements for the broodstock as well as for the young larvae are still enigmatical. In this presentation the impact of supplementing the highly unsaturated fatty acids (HUFA), eicosapentaenoic (EPA), and docosahexaenoic acid (DHA) to the broodstock and larval diets is illustrated.
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