Journal Article

Targeted environmental monitoring for the effects of medicines used to treat sea-lice infestation on farmed fish

I. M. Davies, G. K. Rodger, J. Redshaw and R. M. Stagg

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 58, issue 2, pages 477-485
Published in print January 2001 | ISSN: 1054-3139
Published online January 2001 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1006/jmsc.2000.1040
Targeted environmental monitoring for the effects of medicines used to treat sea-lice infestation on farmed fish

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Farmed Atlantic salmon often suffer from sea-lice infestations, which are commonly controlled by the use of a variety of medicines, and the fate of these medicines has implications for the health of the marine environment around fish farms. The Scottish Environment Protection Agency (SEPA) is responsible for monitoring and protecting the quality of Scottish coastal waters and for regulating discharges which may affect water quality, including releases of medicines from fish farms. We review the utility of established biological effects measurements (biomarkers and bioassays) for monitoring the effects of these medicines. The specificity and suitability of biological effects techniques to the mode of toxic action, metabolism, and environmental fate of the medicines are considered. It is concluded that scope-for-growth measurements in wild and deployed mussels (Mytilus edulis) and lugworm (Arenicola marina) bioassays, in combination with a suite of biomarker techniques, offer the best possibilities.

Keywords: avermectin; benzoylphenylurea; biomarker; fish farms; monitoring; organophosphate; pyrethroid; scope for growth; sea lice; sediment bioassay

Journal Article.  0 words. 

Subjects: Environmental Science ; Marine and Estuarine Biology

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