For repeat-spawning steelhead, more than once is worth the risks

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CORVALLIS, Ore. – For steelhead trout, reproductive choices represent a collection of tradeoffs – whether spawning once or doing it multiple times, no decision comes without risks and benefits. New research by Oregon State University and Purdue University shows steelhead that spawn repeatedly have greater than double the lifetime reproductive success of fish that spawn a single time, the benefit for making the daunting journey to sea more than once.

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