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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library


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Image Number K8732-1

This large bacterial colony of Salmonella enteritidis grew rapidly (62 millimeters in diameter in 16 hours) and readily contaminated eggs when given to chickens by injection but not when given by mouth.

Photo by Jean Guard-Petter.



640 pixels wide: (k8732-1.jpg)




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Last Modified: 5/23/2006
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