Abstract
This study investigated the effects of feeding level (satiation and 67% of satiation) and rearing density (0.044, 0.074, 0.104 and 1.48 kg m −3 on growth, feed conversion and mortality rate of chinook salmon ( Oncorhynchus tshawytscha) transferred to salt water in June and reared for 272 days. Growth rate, from day 1 to 175, was significantly higher in fish fed to satiation, compared to fish fed to 67% of satiation. Feed conversion rate over the entire experiment was significantly higher for fish fed to satiation compared to 67% of satiation. Feed conversion rates were lower from day 1 to 175, compared to days 176 to 272 for all treatments. In fish fed to satiation from days 71 to 272, fish reared at high density had significantly lower mean weights than fish reared at low density. Mortality rates were significantly higher from day 1 to 71 than days 72 to 272, for all treatments.
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