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United States Department of Agriculture

Agricultural Research Service

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Image Number D1465-7

Microbiologist Jim Wells is investigating the relationship between WDGS-based feed and the incidence and persistence of E.coli O157:H7 in cattle manure and on their hides. Here, Wells processes bovine fecal samples for microbial analysis while microbiologist Elaine Berry plates the processed samples for E. coli tests.


Photo by Stephen Ausmus.

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Last Modified: 3/14/2017
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