Ultrasonographic findings in cows with left displacement of abomasum, before and after reposition surgery

The natural incidence of left displacement of abomasum (LDA) in dairy cows was high. The diagnosis of LDA usually relies on characteristic physical exam findings but that transabdominal ultrasound is a useful technique that has been applied to the diagnosis of gastrointestinal diseases of dairy cows in equivocal cases.Forty dairy cows with LDA were clinically and ultrasonographically examined to determine the position and the echogenic property...