date:Mar 05, 2013
A new study funded by the Scottish Government has found that one in four salmon sampled on the west coast of Scotland contain DNA from Norwegian fish.
Campaigners and fisheries managers blame the finding on the impact of escaped farmed fish which they believe are interbreeding with wild fish and weakening their genetics and survival chances.
However the aquaculture industry refuted the claim and pointed out that the research author admitted in the report that it was possible that the DNA was f