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New system for raising fresh-water fish

A new system that treats, filters, and conserves water in fresh-water fish tanks has been developed by an Agricultural Research Service (ARS) scientist and is being used at an ARS research facility in West Virginia.

The new system recirculates up to 90 percent of the water in two fish culture bays at the ARS National Center for Cool and Cold Water Aquaculture (NCCCWA) in Leetown, W. Va.

ARS environmental engineer Brian Brazil custom-designed the system to support multiple rearing tanks, which are connected to a centralized water filtration and treatment system similar to that constructed by the Conservation Fund's Fresh Water Institute. The rainbow trout raised at the Leetown center are ...

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