The adult fluke is plump and cylindrical (unusual for a [[Trematodes|trematode]]). It attaches to the wall of the rumen without causing serious damage. The eggs are like those of ''Fasciola'', but are colourless, and have long filaments present at the poles. | The adult fluke is plump and cylindrical (unusual for a [[Trematodes|trematode]]). It attaches to the wall of the rumen without causing serious damage. The eggs are like those of ''Fasciola'', but are colourless, and have long filaments present at the poles. |