Johne's disease: Meaning and Definition of

Joh'ne's disease"

Pronunciation: (yō"nuz), [key]
— Vet. Pathol. Vet. Pathol.
  1. a chronic diarrheal disease of cattle and sheep caused by infection with Mycobacterium paratuberculosis, an organism related to the tubercle bacillus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.