News tagged with farmed fish

Explosives and fish are traced with chemical tags

Researchers at the University of Oviedo (Spain) have come up with a way of tagging gunpowder which allows its illegal use to be detected even after it has been detonated. Based on the addition of isotopes, the technique can ...

dateJan 12, 2012 in Ecology
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A fish test to make food safer

Nowadays, half of all the fish we eat comes from fish farms. The problem is that these fish are increasingly being fed vegetable matter, which could lead to a build-up of residual pesticides in them. A new test shows how ...

dateNov 03, 2011 in Ecology
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Fish farms less harmful than thought

Coastal fish farms seem to do less harm to nearby plants and animals than previously believed, a new study reveals. And marine ecosystems can recover from this damage surprisingly fast.

dateSep 08, 2011 in Ecology
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