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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

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 98785 [ download pdf ]

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Trefwoorden

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] Marien/Kust

Author keywords

arachidonic acid; docosahexaenoic acid; eicosapentaenoic acid; enrichment; lipid emulsions; marine fish larvae; microalgae; rotifer

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

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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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