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The effect of different HUFA enrichment emulsions on the nutritional value of rotifers (Brachionus plicatilis) fed to larval haddock (Melanogrammus aeglefinus)
Castell, J.; Blair, T.; Neil, S.; Howes, K.; Mercer, S.; Reid, J.; Young-Lai, W.; Gullison, B.; Dhert, P.; Sorgeloos, P. (2003). The effect of different HUFA enrichment emulsions on the nutritional value of rotifers (Brachionus plicatilis) fed to larval haddock (Melanogrammus aeglefinus). Aquacult. Int. 11(1-2): 109-117. dx.doi.org/10.1023/A:1024154106656
In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X, more
Peer reviewed article  

Available in  Authors 

Keywords
    Acids > Organic compounds > Organic acids > Arachidonic acid
    Algae
    Aquatic organisms > Marine organisms > Fish > Marine fish
    Chemical compounds > Organic compounds > Lipids
    Developmental stages > Larvae
    Docosahexaenoic acid
    Eicosapentaenoic acid
    Emulsions
    Enrichment
    Enrichment
    Lipids > Carboxylic acids > Fatty acids > Unsaturated fatty acids > Polyenoic fatty acids > Eicosapentaenoic acid
    Lipids > Carboxylic acids > Fatty acids > Unsaturated fatty acids > Polyenoic fatty acids > Long chain fatty acids > Docosahexaenoic acid
    Rotifers
    Brachionus plicatilis Müller, 1786 [WoRMS]; Melanogrammus aeglefinus (Linnaeus, 1758) [WoRMS]; Rotifera [WoRMS]
    Marine/Coastal
Author keywords
    arachidonic acid; docosahexaenoic acid; eicosapentaenoic acid; enrichment; lipid emulsions; marine fish larvae; microalgae; rotifer

Authors  Top 
  • Castell, J., correspondent
  • Blair, T.
  • Neil, S.
  • Howes, K.
  • Mercer, S.
  • Reid, J.
  • Young-Lai, W.
  • Gullison, B.
  • Dhert, P., more
  • Sorgeloos, P., more

Abstract
    A feeding study was conducted in the winter 2001 to determine the effects of feeding rotifers (Brachionus plicatilis) enriched with various levels of essential fatty acids on the growth and survival of haddock larvae (Melanogrammus aeglefinus). Rotifer enrichment treatments were: 1) mixed algae, 2) high DHA (docosahexaenoic acid, 22:6n-3), 3) high DHA and EPA (eicosapentaenoic acid, 20:5n-3), and 4) DHA, EPA, and AA (arachidonic acid, 20:4n-6). Larvae were fed rotifers enriched with the different treatments from days 1 to 16 post-hatch. From day 17 until 25 all treatment groups were fed rotifers reared on mixed algae and then weaned onto the International Council for Exploration of the SEA (ICES) Standard Reference Weaning diet (http://allserv.rug.ac.t/aquaculture/rend/rend.htm) over a five day period. The experiment was terminated on day 41 post-hatch. The enrichment treatments affected the fatty acid composition of the rotifers and correlated with the accumulation of these fatty acids in the haddock larvae. However, no significant differences in larval growth or survival to 40 days post hatch were detected, suggesting that all treatments provided the minimal essential fatty acid requirements for haddock.

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