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==Signalment==
==Signalment==
Can be seen in animals of all ages but most commonly occurs in young animals who are chronically exposed to moisture.
Can be seen in animals of all ages but most commonly occurs in young animals who are chronically exposed to moisture.
Affets horses, sheep, cattle, goats, pigs and rarely dogs and cats.
==Diagnosis==
==Diagnosis==
Can often make a diagnosis on history and physical exam. Impression smears can also be useful when stained with either gram stain or Giemsa and examined microscopically.
Additionally it is possible to culture material from the crusts however this can be difficult due to the slow- growing nature of the pathogen.
==History and Clinical signs==
==History and Clinical signs==
Equine dermatophilosis
Equine dermatophilosis
Three clinical syndromes have been documented: rain scald, Mud fever and grease heel.
Three clinical syndromes have been documented: rain scald, Mud fever and grease heel.
Tpically focal lesions develop into crusts and thick scabs covered by layers of pus. When scabs are removed the hair is taken wit them and alopecia results.
**Papules, serous, exudative matting of hair, raised crusty scabs
**Papules, serous, exudative matting of hair, raised crusty scabs
**Scab formation more prominent in sheep and cattle than in horses
**Scab formation more prominent in sheep and cattle than in horses