Fig. 5

A large bulge in the right flank (A) and postmortem findings (B) in a 4-year-old Brown Swiss cow with torsion of the spiral colon (also see video). The gyri of the spiral colon (1) and the proximal loop of the ascending colon (2) are congested and severely dilated and have a dark bluish-green discolouration. The caecum (3) is dilated but otherwise normal. The small intestines are mildly to moderately congested but otherwise normal