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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D607-1

After taking a fecal sample from a pig, microbiologists Bradley (left) and Shawn Bearson place the sample into a growth medium for detection of Salmonella.

Photo by Stephen Ausmus.

640 pixels wide: (d607-1.jpg)

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Last Modified: 9/26/2006
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