Figure 1From: Abnormal regurgitation in three cows caused by intrathoracic perioesophageal lesionsAbnormal regurgitation in a cow with perioesophageal abscess. Abnormal regurgitation in a 6-year-old Brown Swiss cow (cow 1) with perioesophageal abscess. A) The head and neck of the cow are extended; the floor is littered with regurgitated partly-chewed feed and saliva, B) Close-up: Head and neck are extended; regurgitation of saliva and feed.Back to article page