Hatchery fish may hurt efforts to sustain wild salmon runs

Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according to a new study published today by researchers from Oregon State University.

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<p><a href="http://www.physorg.com/news163845102.html">Hatchery fish may hurt efforts to sustain wild salmon runs</a></p> <p>Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing, according to a new study published today by researchers from Oregon State University.</p>