Aquaculture

Enrichment Research for Farmed Fish

Research into environmental enrichment for farmed fish is revealing practical improvements that benefit welfare and production simultaneously.

Key Facts

Artificial current generators in salmon tanks increase voluntary exercise and cardiovascular health
Overhead cover structures in trout tanks reduce chronic stress indicators
Tank complexity through substrate and structure reduces aggression and fin damage
Intermittent feeding regimes that require fish to compete for food increase stress compared to ad libitum

Welfare Considerations

Fish enrichment research has moved from theoretical to practical, identifying specific interventions with measurable welfare and production benefits. Current-based enrichment mimics natural river conditions that salmon evolved in. Structural complexity provides refuge and territory that reduces competition-related stress. The overlap between welfare and productivity benefits creates commercial incentives for adoption.

What You Can Do

Support aquaculture producers investing in enrichment as documented welfare improvement
Advocate for enrichment requirements to be included in aquaculture certification standards
Ask salmon and trout retailers about enrichment provision in their supplier operations
Support research developing cost-effective enrichment solutions for different farmed fish species