Page Banner

United States Department of Agriculture

Agricultural Research Service

Download a high-resolution (300dpi) digital image here.

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)

Please visit our Image Gallery

Last Modified: 8/13/2016
Footer Content Back to Top of Page