Aquaculture

Farmed Salmon Brain and Nociception Welfare

Understanding salmon brain function and nociception informs welfare assessment and the case for minimising potentially painful experiences.

Key Facts

Atlantic salmon have a forebrain that processes environmental information and responds to noxious stimuli
Nociceptors (pain receptors) are present throughout salmon skin and internal organs
Cortisol responses to noxious stimuli indicate physiological stress
Salmon show avoidance learning in response to noxious experiences
The Cambridge Declaration on Consciousness acknowledged non-human vertebrate consciousness

Welfare Considerations

Salmon brain function and nociception provide scientific support for welfare consideration in farmed fish. The Cambridge Declaration acknowledged fish consciousness, strengthening the welfare case for minimising painful experiences. Understanding salmon brain biology is essential for science-based welfare standards that go beyond intuition.

What You Can Do

Support research into fish brain function and welfare science
Advocate for science-based welfare standards that acknowledge fish nociception
Choose certified salmon from farms demonstrating commitment to welfare science