Infectious necrotic hepatitis

Other Names:
Black disease
Black disease in sheep

An acute infectious disease of sheep (sometimes cattle, rarely pigs and horses) caused by Clostridium 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.


The disease is worldwide, wherever sheep and liver flukes coincide. It is most prevalent in 1-4 year old sheep.

Problem Type:
E: Emanations of other problems
Date of last update
04.10.2020 – 22:48 CEST