Effects of rearing density on growth, survival, and fin condition of Atlantic salmon

Parr of Atlantic salmon (Salmo salar) were reared to final densities of 0.53‐4.29 lb/ft² of rearing container bottom area under conditions of constant temperature, water quality, and diet. Growth and survival were not affected by density. After 171 d, the condition of pectoral and dorsal fins had not changed from that initially recorded and did not differ among treatments. We conclude that rearing density alone does not affect growth, survival, or fin condition of Atlantic salmon reared at densities likely to occur at production hatcheries.