Chorioptic Mange
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- Often seen in rough-legged horses with heavy feathering
- Induce crusty skin and lesions below the hocks and knees
- Mild condition in cattle
- Rubbing and scratching
- Hide damage
- Usually affects the base of the tail, perineum and udder
- Usually found on legs of sheep
- Mild condition
- Host-specific
- In cattle, horses, goats
- Caused by Chorioptes spp.
- Grossly:
- Erythematous, papular, crusty lesions
- Hairless, thickened skin
- Areas usually affected:
- Horses: lower hind legs
- Cattle: lower hind legs, scrotum, perineum, tail, udder, thigh
- Sheep: lower hind legs and scrotum
- Goats: lower hind legs, hindquarters, abdomen