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United States Department of Agriculture

Agricultural Research Service

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Image Number D3150-1

Animal caretaker Andy Covell (left) and microbiologist Joseph Urban orally inoculate a piglet in a study to eliminate infection from the parasitic roundworm Ascaris suum.


Photo by Stephen Ausmus.

640 pixels wide: (d3150-1.jpg)

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Last Modified: 8/13/2016
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