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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: (1991). IZWO Coll. Rep. 21(1991). IZWO Collected Reprints, 21: pp. chapter 23
In: (1991). IZWO Coll. Rep. 21(1991). IZWO Collected Reprints, 21[s.n.][s.l.], more
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene & Oostende. ISSN 0772-1250, more

Also published as
  • 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.) (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. EAS Special Publication, 15: pp. 58-62, more

Keywords
    Diets; Fatty acids; Fish culture; Fish eggs; Fish larvae; Nutritional requirements; Survival; Marine

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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