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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11896-1

In a modeling study to predict growth of Salmonella on chicken, food technologist Thomas Oscar uses an automated counting system to count pathogen colonies (the black dots) on an agar medium.

Photo by Peggy Greb.



640 pixels wide: (k11896-1.jpg)




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Last Modified: 5/23/2006
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