Aquatic

Salmon Pain Experience and Welfare Implications

The evidence that Atlantic salmon experience pain has significant implications for how we manage farming, slaughter, and other high-impact phases of salmon production.

Key Facts

Salmon have nociceptors and nociceptive pathways similar to those in mammals
They show protective behaviours and altered activity following tissue damage
Opioid analgesics reduce stress responses in salmon following noxious stimulation
The brain regions processing pain experience in salmon differ from those in mammals but are functionally present
UK law recognises salmon as sentient beings under the Animal Welfare (Sentience) Act 2022

Welfare Considerations

Recognition of salmon sentience in law creates obligations that are not yet matched by consistent welfare practices in the industry. Slaughter without stunning, crowding-related stress, and sea lice infestations all cause pain in animals we now accept can experience it. Aligning practice with the legal and scientific recognition of salmon sentience is the central welfare challenge for the salmon farming sector.

What You Can Do

Support aquaculture certification requiring pre-slaughter stunning for salmon
Choose certified salmon from producers with documented welfare practices
Advocate for mandatory welfare standards aligned with salmon sentience recognition
Support research into salmon pain management and prevention
Engage with industry and regulatory debates about implementing welfare standards for sentient fish