Onchocercosis in aorta of cattle - A case report

Ten years old cattle carcass was brought for post mortem examination to the Department of Veterinary Pathology, College of Veterinary Science, Tirupati. On necropsy, the aorta showed whitish, hard, elevated areas of irregular shape and varied sizes with 0.5-1 mm diameter. Histopathologically, aorta revealed cut sections of the worms in the tunica media with calcification and eosinophils infiltration surrounding the cut sections were noticed. Based on the gross and histological examination it was confirmed as Onchocercosis in cattle.