DESPITE being rubbished by Scotland’s salmon farming sector, Inland Fisheries Ireland (IFI) has reiterated recent claims by St Andrews University that on average 39% of salmon mortalities were attributable to sea lice.
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……..
fishnewseu.com 15/11/2012. Read the article ‘Irish support lice figures’