Fig. 4

Ultrasonogram of the abdomen of a cow with omental bursitis caused by type-5 abomasal ulcer, imaged from the distal region of the 10th intercostal space on the left side. There is a small fluid accumulation in the peritoneal cavity and a large fluid accumulation in the omental bursa. The fluid in the omental bursa is characterized by echoic stippling indicative of microbial gas production. 1 Lateral abdominal wall of the left side, 2 Fluid in the peritoneal cavity, 3 Greater omentum, 4 Fluid in the omental bursa with echoic stippling, Ds Dorsal, Vt Ventral