The condition is commonly referred as measles in pigs, since the worms manifest as small white nodules of up to 15 mm in the stomach, intestine, heart, diaphragm and skeletal muscles.
Lesi simo ngokuvamile sibizwa ngokuthi yisimungulu ezingulube, ngoba izibungu zibonakalisa njengezinyosi ezincane ezimhlophe ezingaba ngu-15 mm esiswini, emathunjini, enhliziyweni, emangcwabeni nasemisipha yamathambo.