An outbreek of ringworm in oseemy sheep occured in a farm in upper Egypt containing 300 Sheep from which 45 animals showed skin lesion, that were mostly located on the head especially around ears, eyelids, horns and also on the dorsum of the nose.
The direct microsocopic examination of the collected crust and hair samples revealed that 34 (75.5%) were positive. A total of 34 strains of dermatophytes were recorded. The most predominant spp was T. verrucosum (20 strains) followed by T. mentagrophyte (9 strains and T. terrestre (5 strains). Clinical and mycolo gical recovery of the diseased sheep were obtained after treatment with Fulcin for 10 successive days in the ration and by injection of vit. A intramus cularly. The pathogenicity of the isolated dermato phytes were experimentaly, investigated in both guinea Pigs and rabbits.