单词 | Johne's disease |
释义 | Johne's disease/ˈjəʊnəz /noun [mass noun] A form of chronic enteritis in cattle and sheep, caused by a mycobacterium.Producers advocated extending the dairy price program and developing better methods to assess Johne's disease in U.S. cattle....
OriginEarly 20th century: named after Heinrich A. Johne (1839–1910), German veterinary surgeon. |
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