| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Black disease of sheep | Biology & Biotechnology | An acute, infectious disease of sheep, sometimes of cattle, and rarely of pigs and horses, caused by Costridium novyi Type B. The organism multiplies in areas of liver necrosis resulting from the migration of liver flukes, and it produces a powerful necrotizing toxin. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
