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Surgical treatment of gastric impaction in farmed ostriches.

Partial or complete impaction of the proventriculus and/or the ventriculus is usually seen in juvenile ostriches. Common impaction materials include stones, sand, hay stems and leaves, and even plastic and metallic objects. Six live ostriches showing signs of impaction and three dead ones suspected to have impacted stomachs were presented to the Department of Clinical Sciences of the Faculty of Veterinary Medicine of the Aristotle University of Thessaloniki. The birds manifested anorexia, whitish and decreased urine output, scant defecation, unwillingness to rise and consume water. Clinical examination revealed distended and firm proventriculi, while radiographs showed foreign objects in the proventriculi of all birds and the ventriculus of one of them. The living birds were successfully treated surgically and medically. Autopsy of the three dead ostriches revealed severe dehydration and impaction of the stomachs. Bacteriological and parasitological examination was negative. Amendments in management practices were important to minimize losses caused by impaction of the stomachs in ostriches, while proventriculotomy remains the most effective approach to the problem.