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United States Department of Agriculture

Agricultural Research Service

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Image Number D2752-1

At Lincoln, Nebraska, microbiologist Lisa Durso examines the results of a test to quantify bacteria in cattle fecal specimens and runoff from manure-amended soils. The number of yellow and glowing wells helps determine the number of bacteria present.


Photo by Peggy Greb.

640 pixels wide: (d2752-1.jpg)

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Last Modified: 8/13/2016
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