Abstract
Juveniles from two coastal-spawning and two interior-spawning populations of British Columbia pink salmon ( Oncorhynchus gorbuscha) were reared in fresh, 15 salt water, and 30‰ salt water for 68 days after fry emergence. Juvenile growth rate and survival in the coastal-spawning populations were highest in the 15‰ salt water environment. Highest juvenile survival rates in the interior-spawning populations were observed in the fresh water environment, but there was no consistent trend in weight. Feeding juveniles of interior-spawning populations in fresh water for up to 2 months is a viable method of early rearing and could be considered as an enhancement technique in selected circumstances.
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