Knowledge for better food systems

The aquaculture sustainability of UK supermarkets

This report from UK food waste NGO Feedback and the Changing Markets Foundation assesses ten UK supermarkets on their aquaculture supply chain policies and practices, particularly regarding the use of wild fish as feed for farmed fish. Seven out of ten supermarkets scored less than 30%, with ALDI performing worst at 12% and Tesco performing best at 60%. The report finds that aquaculture operations for UK supermarkets consumed 2.5 times as much wild fish as the amount of farmed fish produced.

The figure below shows the scores of the ten supermarkets against a set of criteria including corporate policies on sustainable aquaculture feed, investment in developing alternative feeds, publishing data on quantity of farmed fish sold and wild fish used as feed, providing information on farmed fish suppliers, and clearly labelling fish according to production method.

Read the full report, Caught Out: How UK retailers are tackling the use of wild fish in their aquaculture supply chains, here. See also the Foodsource resource How do food systems affect fish stocks and marine habitats? and the Feedback report Fishy Business: The Scottish salmon industry’s hidden appetite for wild fish and land.

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Europe is the world's second-smallest continent by surface area, covering just over 10 million square kilometres or 6.8% of the global land area, but it is the third-most populous continent after Asia and Africa, with a population of around 740 million people or about 11% of the world's population. Its climate is heavily affected by warm Atlantic currents that temper winters and summers on much of the continent. In the European Union, farmers represent only 4.7% of the working population, yet manage nearly half of its land area.

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