Aquatic

Salmon Welfare Scoring Systems in Aquaculture

Welfare scoring systems for farmed Atlantic salmon provide a practical framework for assessing and improving welfare outcomes throughout the production cycle.

Key Facts

Operational welfare indicators for salmon include fin damage, wounds, cataracts, and gill health
Norway has implemented mandatory salmon welfare scoring linked to regulatory oversight
The Salmon Welfare Index scores fish across multiple body regions for standardised comparison
Scoring can be conducted on-farm with training or remotely using image analysis technology
High welfare scores correlate with better production outcomes including growth and feed conversion

Welfare Considerations

Welfare scoring systems create accountability for salmon welfare by making the state of fish visible and comparable between farms. Regular scoring allows early identification of welfare deterioration and targeted intervention. Linking welfare scores to purchasing decisions and regulatory oversight creates market and regulatory incentives for improvement. The development of validated, standardised scoring methods is a major advance in salmon welfare management.

What You Can Do

Support aquaculture certification schemes that include welfare scoring requirements
Choose certified salmon from producers with transparent welfare scoring data
Advocate for mandatory welfare scoring in salmon aquaculture legislation
Support research developing welfare scoring technology for other farmed fish species
Encourage supermarkets to require welfare scoring data from salmon suppliers