Status report on the levels of undesirable substances and drug residues in farmed fish

NIFES has been monitoring the content of undesirable substances in Norwegian farmed fish since 1994. The status of samples collected in the course of 2009 shows low levels of these substances in various species of farmed fish, and a decline in total dioxins and dioxin-like PCB in farmed salmon. Monitoring thus provides documentation that farmed salmon conforms to regulations on seafood safety.