Of or pertaining to cell death and enzymatic degradation.
- n. cervicovaginitis — necrosis in cows and ewes, usually as a result of trauma during parturition.
- n. colitis — common in older cats as a cause of chronic, foul, bloody diarrhea.
- n. dermatitis — gangrene and necrosis of inflamed, wet skin caused by Clostridium septicum; characterized by a sudden onset of severe depression, a short course of a few hours and a high death rate; mostly in 4–16 week old chicks.
- n. ear syndrome — extensive necrosis of ear edges in baby pigs probably caused by biting by pen mates plus Staphylococcus hyicus.
- n. enteritis — a name used to refer to: (1) subacute or chronic enteritis in pigs, usually a sequel to an acute episode of enteritis caused by Salmonella spp. or Campylobacter hyointestinalis and other anaerobic flora. Characterized by unthriftiness, and intermittent or chronic diarrhea; (2) a hemorrhagic enteritis in young chickens caused by Clostridium perfringens type C.
- n. glossitis — necrosis and loss of the tip of the tongue in feeder steers; cause unknown.
- n. hepatitis — see infectious necrotic hepatitis.
- n. laryngitis — see calf diphtheria.
- n. rhinitis — a cellulitis of soft tissues of the face and nose of pigs. The face is swollen and the nasal cavity occluded. It causes dyspnea, stertor and difficult mastication. Fusobacterium necrophorum is the cause, usually entering through fight wounds. Called also bullnose.
- n. stomatitis — see oral necrobacillosis.
- n. ulcer of swine — see ulcerative granuloma of swine.
- n. vulvovaginitis — usually the result of injury during dystocia.
