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News Item:
Irish support lice figures

According to IFI, in previously published studies, groups of salmon smolts were treated to protect them against sea lice infestation and other groups were untreated and both groups released to sea into 10 areas of Ireland and Norway. A proportion of these released fish were recaptured as adult salmon one or more years later. Analysis of the results of all previously published studies together provide experimental evidence from a large marine ecosystem that sea lice can have large impacts on salmon recruitment, fisheries, and conservation. The sea lice were likely acquired during early marine migration in areas with salmon farming, which elevate local abundances of sea lice. The research, published in Proceedings of the Royal Society B, involved experts from the Scottish Oceans Institute at the University of St Andrews, The Department of Zoology at the University of Otago in New Zealand, the Atlantic Veterinary College at the University of Prince Edward Island in Canada, the Institute of Marine Research in Norway, the Norwegian Institute for Nature Research and Inland Fisheries Ireland.

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