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The Guardian - AU
The Guardian - AU
Environment
Donna Lu Science writer

Food for thought: carbon footprint of salmon and chicken farming mostly stems from feed, study suggests

Oil Fish United States
salmon farms
The environmental effects of salmon aquaculture mainly arise from the the food fish are fed. Photograph: LKR Photography/Getty Images/iStockphoto

Most of the environmental effects of farmed chicken and salmon arise from the food the animals are reared on, new research suggests.

Animal feed given to farmed chickens and salmon account respectively for at least 78% and 69% of the industries’ environmental pressures, according to a study published in the journal Current Biology.

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