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=== '''''FILAROIDES (= Oslerus) OSLERI''''' ===
*''F. osleri'' is atypical of the Metastrongyloidea in almost every way.
*Adults (approximately 1cm) are found in dogs clustered in fibrous nodules (few mm - 2cm) on tracheal wall (near bifurcation of trachea).
*This means that small numbers of L1 are found in the sputum, and can either be passed to the skin during grooming, or can be passed in the faeces (dead-end for life-cycle).
*Transmission from bitch to pups occurs during grooming via transfer of sputum.
*Horizontal transmission rarely, if ever, happens.
*Infection is usually asymptomatic, but if symptoms are present, there is a chronic, dry, debilitating cough - performance of greyhounds may be affected.[[Category:Metastrongyloidea]][[Category:Dog_Nematodes]]