Johne's Disease Definition

yōnəz

noun

A chronic disease of domestic animals, especially cattle and sheep, caused by the bacterium Mycobacterium paratuberculosis and characterized by persistent diarrhea, gradual loss of weight, and general weakness.

American Heritage Medicine

Origin of Johne's Disease

After Heinrich Albert Johne (1839–1910), German physician

From American Heritage Dictionary of the English Language, 5th Edition
For Dr. H. A. Johne, German pathologist

From Wiktionary