2003). Coho salmon artificially bred for 4 generations showed significantly less aggressive actions and a reduce normal exercise than wild salmon (Fleming and Gross 1992). Hatchery reared salmonids confirmed a weaker antipredator reaction (Johnsson et al. 1996) and fewer physiological anxiety due to bigger stocking densities (Mazur and Iwama 1993) https://buyqualityfreshsalmon82692.blog2learn.com/81026723/how-fresh-salmon-for-sale-can-save-you-time-stress-and-money