Why YY Males? Using Hatchery Brook Trout to Eliminate an Invasive Species

Brook Trout were first introduced to the American West in the early 1900s. Since then, they have hurt native fish populations through competition and predation. In this study, scientists examine the effectiveness of using genetic technology to shift the ratio of male to female Brook Trout in the wild, which could eventually help remove them from their non-native streams.

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