|Spasmodic conditions in the smooth gastrointestinal musculature, causing periodic and sudden colics with stabbing pain independent of rest or movement. The animal assumes an extremely hunched position, arching the pack and avoiding any stretching of the body. The clinical symptomatology is that of hemorrhagic gastroenteritis with acute and recurrent pain and a copious diarrhea, occasionally with blood. The animals are extremely nervous (nervous irritability) and startle easily. Tendency to develop a post- prandial meteorism. Aggravation of symptoms when moving and when frightened. Amelioration after defecation, when warm, at rest and with pressure on the affected region.