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United States Department of Agriculture

Agricultural Research Service

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 Image Number D3139-1

About 2 percent of cattle are supershedders of E. coli O157:H7 bacteria. Just one supershedder in a pen can spread the bacteria to the hides of most of the other animals in the pen.


Photo by Terry Arthur.

640 pixels wide: (d3139-1.jpg)

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Last Modified: 8/13/2016
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