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FISH FARMING IN RECIRCULATING AQUACULTURE …

fish FARMING . IN. RECIRCULATING AQUACULTURE SYSTEMS. (RAS). Louis A. Helfrich and George Libey Department of Fisheries and Wildlife Sciences Virginia Tech INTRODUCTION. AQUACULTURE ( FARMING of fish under controlled conditions) is a growth industry striving to satisfy a growing market for food fish . It currently is one of the fastest growing sectors of agriculture in the United States. Farm-reared freshfish is increasing in popularity and profitability. Catfish, trout, striped bas, oysters, clams and other aquatic species are fast becoming the new "cash crops" of the 1990's. Growing public demand for a healthy tasty and affordable food is stimulating the "boom". in this industry. The decline in wild fish populations as a result of overharvest and water pollution has promoted the culture of farm-fresh that are grown in contaminant-free waters in indoor tank systems. RAS DEFINED. Recirculation AQUACULTURE systems (RAS) represent a new and unique way to farm fish .

AQUACULTURE (farming of fish under controlled conditions) is a growth industry striving to satisfy a growing market for food fish. It currently is one of the fastest growing sectors of agriculture in the United States. Farm-reared freshfish is increasing in popularity and profitability. Catfish, trout, striped bas, oysters, clams and other aquatic

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