How much is sea lice costing the salmon sector?

At 2.09 kg per capita, Atlantic salmon may be the EU’s most consumed farmed species and the bloc’s third most consumed fish overall, but behind the scenes, the main production regions particularly targeting European markets continue to fall foul of the same persistent, naturally-occurring enemy No. 1 – sea lice.

No bigger than a common fly, sea lice cause skin lesions and increase salmon’s susceptibility to infections. They do this by attaching themselves to the fish skin and eating the…