Surgical treatment of coenurosis (gid) in sheep

During the past six years 623 cases of coenurosis (gid) in sheep have been treated surgically. Cysts were removed successfully from 573 of them (92 pe r cent) and 517 (83 per cent) were able to return to their flocks, although 36 showed no clinical improvement In 37 cases, the cyst could not be local ised, and postmortem examinations showed that in nine cases the cyst was in the brainstem, and in 28 cases it was in the cerebellum. rifty-six cases d eteriorated gradually after surgery and in these cases more than one cyst w as found postmortem. Thirteen cases died during surgery.