Evaluating dietary and behavioral impacts of commercial-type diets on the growth and anti-predator responses of Snake River cutthroat trout (Oncorhynchus clarkii behnkei)
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Cutthroat trout (Oncorhynchus clarkii) are raised for restoration stocking and to provide boutique sport fishing opportunities. Because of limited cutthroat-specific culture information, cutthroat trout have been raised using diets and techniques developed for rainbow trout (Oncorhynchus mykiss), resulting in inconsistent growth performance. There is also evidence that intensive culturing may diminish anti-predator behavior in salmonids, which has not been tested in cutthroat trout. A brief overview of the state of cutthroat trout is described in chapter one of this thesis. The second chapter ...