GASTRITIS AND GASTRIC PERFORATION DUE TO HABRONEMA SPP. IN THE HORSE

A three-year-old horse was admitted to the Tehran Veterinary faculty t eaching hospital with colic symptoms. The horse died with severe pain after two hours. Necropsy findings revealed a heavy worm infestation i n the stomach. Parasitological examinations identified massive invasio n of Habronema muscae on the stomach mucosal surface and Draschia mega stoma in the deep layer of mucosa and muscles. Histopathological secti ons showed two separate lesions including diffuse infiltration of mono nuclear inflammatory cells with a number of eosinophils in the mucosa and submucosa that suggested eosinophilic gastritis. Another finding w as a large granulation mass in the deep layer of the submucosa that co ntained granulomatous necrotic tissue and cross sections of D. megasto ma.