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United States Department of Agriculture

Agricultural Research Service

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AFSRC Picture of the Week, June 20, 2005
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 Colonies of fecal coliforms indicate fecal contamination of water

Colonies of fecal coliform bacteria filtered from water samples and grown on mFC nutrient agar are indicators of fecal contamination of the water. Scientists at AFSRC are studying ways to minimize fecal pollution of water from grazing livestock.

Photo by Susan Boyer

Last Modified: 6/20/2005
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