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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D372-22

Microbiologist Doug Bannerman (left) and dairy scientist Max Paape examine milk somatic cell counts and bacterial growth from cows given either antibiotics or Poly-x at the end of lactation (dry off).

Photo by Stephen Ausmus.

640 pixels wide: (d372-22.jpg)

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Last Modified: 5/23/2006
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