[Leukoderma of the muzzle of cattle induced by a new species of stephanofilaria. II].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D005368:Filariasis / Q000662:veterinary*; D005370:Filarioidea / Q000254:growth & development; D006793:Houseflies; D007303:Insect Vectors; D009666:Nose; D014820:Vitiligo / Q000209:etiology / Q000662:veterinary*