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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K10333-1

Microbiologist Paul Zimba examines filamentous algae from a catfish production pond. Pond conditions often support blooms of these undesirable algae, resulting in increased production costs.

Photo by Peggy Greb.

640 pixels wide: (k10333-1.jpg)

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Last Modified: 5/23/2006
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