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== Introduction ==
== Introduction ==
The disease in these species is usually very mild and not often noticed by stockmen. Signs that are noticed include rubbing and scratching of the affected area and damage to the hide (often not seen until after slaughter).
The disease in these species is usually very mild and not often noticed by stockmen. Signs that are noticed include rubbing and scratching of the affected area and damage to the hide (often not seen until after slaughter).
Typically affected areas are the base of tail, perineum and the udder, aswell as legs of sheep and goats
Typically affected areas are the base of tail, perineum and the udder, as well as legs of sheep and goats.
'''Horses'''
'''Horses'''
The disease is more noticable in horses, with them shaking, scrathicng, rubbing, stamping and biting the affected areas regularly. Crusty skin lesions on the pastern, fetlock and cannon are a common manifestation as well as thickening of the skin and loss of hair in chronic cases.
The disease is more noticable in horses, with them shaking, scratching, rubbing, stamping and biting the affected areas regularly. Crusty skin lesions on the pastern, fetlock and cannon are a common manifestation as well as thickening of the skin and loss of hair in chronic cases.
The problem is worse in colder months and mud can exacerbate the problem to lead to exudative proliferative dermatitis with secondary bacterial infection ([[Greasy Heel|greasy heel]]) in severe cases.
== Diagnosis ==
== Diagnosis ==
History and clinical signs are often used to make a presumptive diagnosis.
History and clinical signs are often used to make a presumptive diagnosis.
A skin scraping from the edge of a fresh lesion will often demonstrate the presence of the mite under a microscope
A skin scraping from the edge of a fresh lesion will often demonstrate the presence of the mite under a microscope.
== Treatment ==
== Treatment ==
Always clip the affected area
Always clip the affected area.
'''There are no products currently licensed for treatment of Chorioptes. The list below contains a number of products that have been reported effective'''
'''There are no products currently licensed for treatment of ''Chorioptes''. The list below contains a number of products that have been reported effective'''
'''Topical'''
'''Topical'''
:1% Selenium sulphide shampoo - whole body shampoo
:Fipronil (Frontline spray) - on affected area
'''Systemic'''
'''Systemic'''
:Ivermectin, paste for horses, good to eliminate the mite in a group infestation.
Treat all in-contact animals and disinfect bedding, housing and any shared tack (horses).
== References ==
== References ==
Brown, C.M, Bertone, J.J. (2002) The 5-Minute Veterinary Consult- Equine', Lippincott, Williams & Wilkins <br>Fox, M and Jacobs, D. (2007) Parasitology Study Guide Part 1: Ecotparasites Royal Veterinary College
Brown, C.M, Bertone, J.J. (2002) The 5-Minute Veterinary Consult- Equine, Lippincott, Williams; Wilkins <br>Fox, M and Jacobs, D. (2007) Parasitology Study Guide Part 1: Ecotparasites Royal Veterinary College
Lloyd, D.H, Littlewood, J.D, Craig, J.M, Thomsett, L.R. (2003) Practical Equine Dermatology, Blackwell Science<br>Taylor, M.A, Coop, R.L, Wall, R.L, (2007) Veterinary Parasitology third edition, Blackwell Science
Lloyd, D.H, Littlewood, J.D, Craig, J.M, Thomsett, L.R. (2003) Practical Equine Dermatology, Blackwell Science<br>Taylor, M.A, Coop, R.L, Wall, R.L, (2007) Veterinary Parasitology third edition, Blackwell Science
[[Category:Dermatological_Diseases_-_Cattle]] [[Category:Dermatological_Diseases_-_Sheep]] [[Category:To_Do_-_Review]] [[Category:Dermatological_Diseases_-_Horse]] [[Category:Integumentary_System_-_Mite_Infections]]
[[Category:Dermatological_Diseases_-_Cattle]] [[Category:Dermatological_Diseases_-_Sheep]] [[Category:Expert_Review]] [[Category:Dermatological_Diseases_-_Horse]] [[Category:Integumentary_System_-_Mite_Infections]]