Is farmed fish sustainable?

Experte für Fischallergien in Australien: Biochemiker Thimo Ruethers (31) aus Düsseldorf. Source: Ruethers
One million Australians have fish allergies and one in two fish consumed in Australia comes from aquaculture. We talk about it with the German biochemist Thimo Ruethers from James Cook University in Townsville QLD.
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