Aquaculture

Farmed Salmon Lice Treatment Welfare Impacts

The welfare costs of lice treatment methods in salmon farming and development of more welfare-friendly approaches.

Key Facts

Sea lice treatments including hydrogen peroxide and warm water cause acute stress
Mortality during treatment procedures is a significant welfare concern
Biological control using cleaner fish avoids chemical treatment welfare costs
Development of lice resistance makes treatments less effective over time
Pre-treatment assessment of fish health status should guide treatment decisions

Welfare Considerations

Current lice treatment methods cause significant acute welfare costs, and investment in preventive biological control and cleaner fish is a welfare priority.

What You Can Do

Choose salmon from farms with low treatment rates and biological control programmes
Support research into welfare-friendly lice management strategies
Advocate for lice treatment welfare protocols in aquaculture standards