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United States Department of Agriculture

Agricultural Research Service

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Image Number K10600-1

Fish biologist Les Torrans (left) and catfish farmer Sam Pilkinton adjust the flow of liquid oxygen from the Sock Saver into the sock (in pond). Oxygen is added when dissolved oxygen in the pond is low.

Photo by Stephen Ausmus.

640 pixels wide: (k10600-1.jpg)

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Last Modified: 3/14/2017
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