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Dietary accumulation of polychlorinated biphenyls, chlorinated pesticides and mercury by cultivated eels, Anguilla anguilla L.
de Boer, J.; Pieters, H. (1991). Dietary accumulation of polychlorinated biphenyls, chlorinated pesticides and mercury by cultivated eels, Anguilla anguilla L. Aquacult. Fish. Manage. 22(3): 329-334
In: Aquaculture and Fisheries Management. Blackwell: Oxford. ISSN 0266-996X, more
Peer reviewed article  

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Keywords
    Aquaculture; Aquiculture; Bioaccumulation; Chlorinated hydrocarbons; Diets; Food composition; Mercury; PCB; Pesticides; Anguilla anguilla (Linnaeus, 1758) [WoRMS]; Fresh water

Authors  Top 
  • de Boer, J.
  • Pieters, H.

Abstract
    Polychlorinated biphenyls (PCBs), chlorinated pesticides and mercury were analysed in cultivated eels, Anguilla anguilla, and their food. The major part of the organochlorine compounds and mercury present in the diet was retained by the eel. The retention of the organochlorine compounds and mercury was estimated at 50-70% after an exposure period of about 1 year. Although the mechanisms of accumulation of mercury and organochlorine compounds clearly differ, no differences in retention were found. The remaining mercury, PCBs and pesticides which were not retained possibly pass through the alimentary canal rather than being accumulated first and metabolized or excreted during the feeding period.

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