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United States Department of Agriculture

Agricultural Research Service

Image Number D1335-16

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Image Number D1335-16

To better understand how bacteria evolved the ability to get into eggs, veterinary medical officer Jean Guard-Bouldin and technician Cesar Morales analyze how many colony types are present in the organs of chickens infected with Salmonella


Photo by Stephen Ausmus.

640 pixels wide: (d1335-16.jpg)

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Last Modified: 12/15/2009
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