A 24-year-old female secretary bird (Sagittarius serpentarius) was presented with acute, mild dyspnea occurring only during feeding times. Despite initial conservative therapy consisting of antibiotics and antifungal, antiparasitic, and anti-inflammatory drugs, the dyspnea worsened progressively, resulting in severe respiratory distress. Radiographs of the trachea suggested stenosis in the caudal one-third of the trachea. Tracheal endoscopy revealed an obstruction of approximately 90% of the tracheal lumen, in addition to mild suspected aspergillosis of the air sacs. Tracheal resection and anastomosis were performed, during which 1.5 cm of abnormal trachea was removed. Histopathologic examination showed severe granulomatous tracheitis, most likely induced by foreign body material. Respiratory signs resolved immediately postoperatively. Antibiotic and anti-inflammatory therapy continued for another 7 days and the bird was treated with antifungals for a total of 45 days. The bird recovered uneventfully. We encourage tracheal resection and anastomosis for severe tracheal stenosis even in aged, large birds of prey that are managed in large aviaries.
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