DNA barcoding reveals mislabeled cod and haddock in Dublin

Ecological scientists in Ireland recently used DNA barcoding to identify species of fish labeled as either "cod" or "haddock" in fish and chip shops, fresh fish counters and supermarkets in 10 postal districts in Dublin. They found that 39 out of 156 (25%) randomly sampled "cod" and "haddock" were genetically entirely different species and, therefore, mislabeled under European Union (EU) regulations.

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