What is Sheep Measles? Sheep Measles is the common name given to lesions in sheep and goats caused by an “intermediate stage” of a tapeworm parasite. The “primary stage” of the parasite is a tapeworm (Taenia ovis) which infects the intestine of dogs. Sheep Measles is commonly seen as hard white cysts either on the … Continue reading The whys and whens of worming working dogs!