Monitoring program for pharmaceuticals, illegal substances, and contaminants in farmed fish - Annual report for 2022
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This report summarises the monitoring data collected in 2022 on the status of illegal substances, pharmaceuticals and contaminants in Norwegian farmed fish. In 2022, a total of 15040 fish were sampled. Samples examined for illegal compounds were collected at all stages of farming and are representative of farmed fish under production. The samples were analysed for substances with anabolic effects or unauthorized substances. No residues of illegal compounds were detected. Samples tested for approved veterinary drugs and contaminants were collected at processing plants and are representative of Norwegian farmed fish ready for human consumption. Residues of the anti-sealice agents emamectin, lufenuron and imidacloprid were found. In addition, residues of cypermethrin and deltamethrin were detected; both substances used as chemical delousing, but also as plant protection agents. Residue concentrations for all samples were below the respective Maximum Residue Limits (MRLs). Other veterinary drugs, like antibiotics or drugs used against internal parasites were not found. No environmental contaminants were found above the EU maximum level.