Advanced welfare systems for farmed rainbow and brown trout incorporate behavioral science into facility design and management to improve fish welfare outcomes.
Advanced trout welfare systems move beyond basic health metrics to incorporate behavioral science insights into facility design and daily management. The recognition that trout have individual personalities with welfare implications — bold fish and shy fish have different responses to crowding and handling — opens new welfare improvement pathways through personality-informed management. Environmental enrichment that provides structural complexity engages trout exploratory and shelter-seeking behavior. The welfare science base for trout is sufficiently developed that evidence-based standards are achievable — the challenge is translating research findings into commercially viable management practices that producers can implement at scale.