Ahlstrom (Sunshine Coast)

Grieg Seafood BC

• Dots show average motile sea lice per fish on the farm.
• Lines connect counts of the same stock (estimated based on count frequency).
• Vertical blue bars show the out-migration period for juvenile wild salmon (March to June).
• The horizontal black line shows the 3 motile threshold. See this DFO page for an explanation of its significance at different times of the year.