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ARS Home Office of Communications Images Photos Apr11





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Image Number D2159-11 To determine the presence of *Salmonella, Listeria,*and non-O157:H7 *E. coli* in beef samples, technician Greg Smith (right) collects surface samples from boneless beef trim as microbiologist Mick Bosilevac prepares a sample for eventual analysis.  Photo by Stephen Ausmus.  640 pixels wide: (d2159-11.jpg)   Please visit our Image Gallery


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