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Written By:
Rebecca Maples


Maramec Spring Fish Hatchery is raising brook trout to protect rainbow trout from parasitic copepods




ST. JAMES, Mo. – The Missouri Department of Conservation's (MDC) Maramec Spring Fish Hatchery is protecting its trout with more trout. The hatchery, which raises rainbow trout, is trying a new way of preventing parasitic infestation using brook trout.

Rainbow trout, along with several other west-coast fish species, are susceptible to a parasitic copepod called Salmincola californiensis. The tiny, shrimplike parasites, which are about the size of a pencil eraser, attach to fishes’ gills, where they leave eggs and complete their life cycle.



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