Here's another interesting article on the hatchery vs. wild fish debate. Researchers on Oregon's Hood River sampled genetics from 12,700 Steelhead to compile this data on why hatchery fish do not reproduce as well in the wild and if and why they degenerate the wild gene pool.

story by Stephanie Pappas MSNBC
http://www.msnbc.msn.com/id/45743468.../#.TwSI0pgqNFS