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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Journal of fish diseases 21 (1998), S. 0 
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: In a comparison of livers in fish (Sparus auratus and Dicentrarchus labrax) feeding on natural sources of food with livers of artificially fed animals, a much higher C18:1/C22:6 ratio was observed in the latter. Staining livers with oil red O showed extensive steatosis in artificially fed fish, but not in those naturally fed. Juvenile artificially fed fish showed a more extensive steatosis and a higher mortality rate. In steatotic fish fed a natural diet for 2 months, the liver exhibited extensive regeneration and only a few steatotic areas remained. Marine teleosts do not appear to have a proliferative response of peroxisomes and this is likely to contribute to liver lipid accumulation and subsequent steatosis. It is suggested that an excess of C18:1 (or other mono-unsaturated fatty acids), coupled with a lack of adaptive peroxisomal proliferation, is the primary cause of lipid droplet formation leading to hepatic steatosis.
    Type of Medium: Electronic Resource
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