Welfare management of Atlantic cod in recirculating aquaculture systems, examining water quality optimization, behavioral monitoring, and emerging welfare assessment frameworks for this important farmed species.
Atlantic cod welfare in RAS benefits from the control that enclosed systems provide — the ability to optimize temperature, light, feeding frequency, and water flow creates opportunities for genuine welfare improvement that open water systems cannot match. The welfare challenge is using this control proactively for welfare rather than simply for production efficiency. Best practice RAS cod management uses behavioral monitoring to identify welfare problems early, adjusts feeding patterns to minimize competition stress, provides environmental complexity through structure and current variation, and maintains water quality parameters at welfare-optimal rather than merely survivable levels. The commercial viability of RAS cod farming creates market opportunities for welfare-certified products that reward investment in welfare management.