Changes

*Transmotted from animal to animal

*Transmotted from animal to animal

*Lesions tend to form on dorsal back and extremities

*Lesions tend to form on dorsal back and extremities

*Associated with skin trauma, prolonged wetting or [[Parasitic skin infections#Parasitic| parasites]]

*Associated with skin trauma, prolonged wetting or [[Parasitic skin infections - Pathology#Parasitic| parasites]]

** -> penetration of zoospores

** -> penetration of zoospores

*Bacteria proliferate in outer sheath of hair follicles and superficial epidermis

*Bacteria proliferate in outer sheath of hair follicles and superficial epidermis

*Caused by [[Pseudomonas aeruginosa and Burkholderia species|''Pseudomonas'']] and excessive moisture

*Caused by [[Pseudomonas aeruginosa and Burkholderia species|''Pseudomonas'']] and excessive moisture

*Prediscposes to [[Parasitic skin infections#Myiasis|myiasis]]

*Prediscposes to [[Parasitic skin infections - Pathology#Myiasis|myiasis]]

====Equine pastern folliculitis====

====Equine pastern folliculitis====

*Heals with scarring

*Heals with scarring

*Local lymph nodes are often affected

*Local lymph nodes are often affected

*Often secondary to immunosuppression, follicular hyperkeratosis or [[Parasitic skin infections#Demodicosis|demodicosis]]

*Often secondary to immunosuppression, follicular hyperkeratosis or [[Parasitic skin infections - Pathology#Demodicosis|demodicosis]]

*May also be a sequele to [[Bacterial skin infections - Pathology#Superficial pyoderma|superficial pyoderma]]

*May also be a sequele to [[Bacterial skin infections - Pathology#Superficial pyoderma|superficial pyoderma]]

*Grossly:

*Grossly: