ABSTRACT
Capillarid of canine nasal sinuses. Life cycle direct or through earthworms paratenic hosts. PPP= 1 month. Dx: Egg in feces is similar to Trichuris vulpis, but smaller (60 µm long) with polar plugs often at some angle off the linear axis, and with fine pits on the surface. Egg contains an elongate oval embryo, while Eucoleus aerophilus eggs are in the singlecelled stage when passed. Adult Habitat: Threaded through nasal mucosa. Similar Species: Eucoleus aerophilus of the bronchial epithelium. Range: World. Clinical Signs: Asymptomatic, but may have rhinitis (serous nasal discharge, sneezing). Tx: No approved drug. After Tx, eggs may be passed in feces for several weeks after adults killed. Potential therapies include:
