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. 2017 Feb 17:324–411.e1. doi: 10.1016/B978-0-323-35775-3.00007-2

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Copyright © 2017 Elsevier Inc. All rights reserved.

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Figure 7-177 — Balantidium coli, Colon, Pig.

B. coli is an opportunistic flagellated protozoan that is normally present in the pig intestine (arrows). This pig had concurrent proliferative (Lawsonia) enteritis. H&E stain. Inset, Higher magnification of B. coli. H&E stain.

(Courtesy Dr. C. Löhr, College of Veterinary Medicine, Oregon State University. Insert, Courtesy Dr. J.F. Zachary, College of Veterinary Medicine, University of Illinois.)