Greenpeace finds farmed fish like salmon and trout to be contaminated with pesticides

by    DiveSSI    16th December 2016
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Fishfarm in Norway (c) Jo Benn, WWF
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Natural Salmon, Alaska (c) Werner Thiele, SWAT Team
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Natural Salmon, Norway (c) Sven Gust

Farmed fish is heavily contaminated with the chemical ethoxyquin, according to a laboratory study carried out by Greenpeace on fish products like salmon, trout, sea bream and seabass.

Ethoxyquin is used to make animal feed more durable for transport. As a pesticide, the European Commission did not approve the active substance in 2011 due to “a number of concerns.”

For many food items like meat, the maximum amount that is legally permitted is 50 microgrammes per kilogramme (50 μg / kg). However, more than 17 times this amount has been found in the most contaminated sample.

According to toxicologists, ingesting ethoxyquin at this level is not harmful to health, but such claims lack the reassurance of long-term studies.

“Ethoxyquin is a banned pesticide and is not naturally found in fish at all,” said Thilo Maack, a fisheries expert at Greenpeace. “It is negligent that this chemical would find its way into the environment and onto the plates of consumers.

Greenpeace is calling for an EU-wide ban on the use of ethoxyquine as a feed additive, as well as a halt to the sale of fish products for consumption if they are above this limit.

Affected traders have been informed of the laboratory results and the required stoppage of sales. A total of 54 fish products was tested for ethoxyquin. All the 38 fish samples from conventional aquaculture were found to be contaminated. Of these, 32 were clearly above the limit for meat (50 μg / kg). At 881 μg / kg, the highest amount of ethoxyquine was discovered in a salmon product from Norwegian aquaculture (smoked salmon) which exceeded the limits for meat by more than 17 times.

Fish samples from organic aquaculture are below the limits for meat, with one exception - organic salmon fillet from the supermarket Edeka, which was 155 μg / kg). Ethoxyquin is usually not found in organic food. However, it may be present in other substances that are added to the animal feed.

No ethoxyquin was detected in wild catches since they do not consume any animal feed. The fish samples are from German supermarkets and organic markets.

The study looked at frozen fish as well as smoked and fresh fish from conventional aquaculture, organic aquaculture and the wild.

This is not the first time that fish from aquaculture has made the news. Last year, we reported in detail about the pressures of farmed salmon.

See here for the results of the Greenpeace analysis in detail.

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DiveSSI
Date
16th December 2016
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