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United States Department of Agriculture

Agricultural Research Service

Image Number D3030-2

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Image Number D3030-2

Ten-horsepower paddlewheel aerators (shown here) allow catfish farmers to adjust dissolved oxygen (DO) concentrations in their ponds. ARS scientists have determined the minimum DO level needed to improve growth, shorten the production cycle, reduce fish losses, and improve feed conversion.


Photo by Les Torrans.

640 pixels wide: (d3030-2.jpg)

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Last Modified: 11/6/2013
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