Studies on specific oculo-vascular myiasis (uitpeuloog) in sheep. V. Histopathology.

BASSON, P. A. Studies on specific oculo-vascular myiasis (uitpeuloog) in sheep. V. Histopathology. Onderstepoort J. vet. Res., 36 (2), 2172 32. Specimens fro£!~ 51. sheep and one goat were studied microscopically. Myiasis by Gedoelstia larvae 9ccurred mamly m the organs of the head , neck and thorax, the eyes, brain, heart and blood vessels bemg most frequently involved. The fundamental lesion was thrombovasculitis which gave rise to glaucoma and other marked lesions in the eyes, infarction of the myocardium, lungs and kidneys and encephalomalacia in various parts of the brain. The migratory pattern of the larva appeared to be pnmanly mtravascular, but extravascular routes such as those along the optic fasciculus and nerves of the head were also observed. The generic name gedoelstiasis is introduced for this specific type of myiasis. ' '