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United States Department of Agriculture

Agricultural Research Service

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Image Number D3043-1

Sampling equipment (left) is set up on the downwind side of cattle pens to measure the amount of bioaerosols, such as endotoxins, bacteria, and fungi, in the air near the pens.


Photo by Rob Dungan.

640 pixels wide: (d3043-1.jpg)

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Last Modified: 8/13/2016
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