| 释义 |
newcastle disease
noun
Usage: usually capitalized N
Etymology: from Newcastle upon Tyne
: a virus disease of domestic fowl and other birds resembling bronchitis or coryza but in later stages distinguished by nervous invasion leading to incoordination, tremors, and twitching of the head and being especially destructive of young birds although all ages may be attacked — called also avian pneumoencephalitis; compare infectious laryngotracheitis |