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United States Department of Agriculture

Agricultural Research Service

Image Number D1422-13

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  Image Number D1422-13

Fish nutritionist Rick Barrows (right) captures trout from 6-foot-diameter tanks for technician Jason Frost to weigh and measure. These trout were fed fishmeal-free, plant-based feed.


Photo by Stephen Ausmus.

640 pixels wide: (d1422-13.jpg)

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Last Modified: 7/1/2014
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