AN UNBIASED VIEW OF FRESH SALMON

2003). Coho salmon artificially bred for 4 generations showed a lot less aggressive behavior and also a lessen typical action than wild salmon (Fleming and Gross 1992). Hatchery reared salmonids showed a weaker antipredator reaction (Johnsson et al. 1996) and fewer physiological strain as a result of larger stocking densities (Mazur and Iwama 1993)