Synonym for infectious necrotic hepatitis of sheep ... A disease of sheep caused by the bacterium Clostridium novyi, which invades livers damaged by the fluke Fasciola hepatica and causes severe necrosis and death; this disease occurs in nearly all parts of the world, including the U.S. Sometimes called black disease because of the extensive haemor... Found on http://www.encyclo.co.uk/local/20973
an acute, usually fatal disease of sheep caused by general intoxication from Clostridium novyi, an anaerobic organism that multiplies in parts of the liver damaged by the common liver fluke. Found on https://www.infoplease.com/dictionary/black-disease