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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K11831-1

Microbiologist Jeffrey Karns and animal scientist Jo Ann Van Kessel isolate Salmonella bacteria from petri plates inoculated with fecal samples taken from dairy cows.

Photo by Peggy Greb.


640 pixels wide: (k11831-1.jpg)




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Last Modified: 5/23/2006
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