Veterinary Clinical Medicine-I (General and Systemic)

ETIOLOGY- SECONDARY BLOAT

Free gas bloat

• Physical obstruction to eructation occurs in esophageal obstruction (foreign body), stenosis of esophagus or pressure outside the esophagus such as Tuberculous lymphadenitis or bovine viral leucosis,  bronchial lymph node enlargement or obstruction of cardia)
• Interference with esophageal groove function as  in vagal indigestion or DH, tetanus or carcinoma, Actinomyces bovis, granulomatous lesion near esophageal groove papillomata