necrotic enteritis

noun

Medical Definition of necrotic enteritis

: either of two often fatal infectious diseases marked especially by intestinal inflammation and necrosis and by diarrhea:

a : one affecting young swine and caused by a bacterium of the genus Salmonella (S. choleraesuis)

— called also necro

b : one affecting poultry and especially young chickens and turkeys and caused by a bacterium of the genus Clostridium (C. perfringens)