Aquaculture Welfare

Farmed Salmon Lice Resistance Management Advanced

Advanced sea lice resistance management in salmon farming integrates monitoring, treatment rotation, and biological control to maintain treatment efficacy.

Key Facts

Area-wide resistance management requires coordination between neighbouring farms
Treatment rotation protocols that alternate mechanism of action slow resistance development
Sentinel fish placed at farm perimeter before full treatment decisions save unnecessary treatments
Resistance testing using bioassay protocols identifies resistant populations before treatment failure
Biological control with wrasse provides non-chemical treatment pressure that doesn't drive resistance

Welfare Considerations

Resistance management is simultaneously a welfare and sustainability priority. Maintaining treatment efficacy prevents the high lice burdens that cause salmon welfare compromise, while reducing unnecessary treatments avoids their associated welfare costs.

What You Can Do

Support certification schemes that require area-level resistance management agreements
Advocate for coordinated treatment protocols as a regulatory requirement in salmon farming
Choose salmon from farms that publish resistance monitoring and biological control data