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. 2009 May 15:200–294. doi: 10.1016/B978-141603137-6.50009-0

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Copyright © 2008 Elsevier Inc. All rights reserved.

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Figure 6-61 — Thickened, edematous ileum and visibly distended lymphatics on the serosal surface in a cow showing early signs of Johne's disease. A rapid definitive diagnosis was established by biopsy of the ileum and ileocecal lymph node.