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=Sweet itch=
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This is hypersensitivity caused by flies of ''Culicoides spp.'' and a recurring seasonal problem in susceptible donkeys is common. Observations at [http://drupal.thedonkeysanctuary.org.uk/ The Donkey Sanctuary] would indicate that a familial predisposition to sweet itch might exist.
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==Clinical Signs==
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Sweet itch presents as a '''pruritic dermatitis''' with lesions, usually along the '''dorsal surface''' of the donkey from '''neck to rump'''.
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==Treatment and control==
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[[Image:Sweet itch blanket donkey.jpg|right|thumb|250px|<small><center>Donkey wearing a blanket to prevent sweet itch. (Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary])</center></small>]]
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* '''Control of the midges''' should effect a cure
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* In more severe cases the use of '''topical antibacterial shampoos''' and even [[Antibiotics|antibiotic]] and [[Steroids|corticosteroids]] may be indicated
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There are a number of other control measures that can be used, each with variable success.
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* Avoid areas favourable for the breeding of midges, such as stagnant water, decaying vegetation and manure
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* Problem fields or areas (tree cover, overgrown hedges, low lying or sheltered pastures) should be identified and avoided, and low risk areas (open windy hill tops) should be utilised
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* Midges are most active at dusk and dawn so it is recommended that donkeys are stabled during this period
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* Insect repellents: Deet (N,N-Diethyl-m-toluamide)
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* Insecticides: 4% permethrin and benzyl benzoate (do not apply to broken or damaged skin)
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* Recently Boett blankets have been used to good effect at [http://drupal.thedonkeysanctuary.org.uk/ the Donkey Sanctuary] for donkeys with a history of sweet itch. The blankets are made of a special lightweight and breathable fabric that prevents midges biting. It can be used with a hood covering the ears depending on the part of the donkey affected by the sweet itch
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==References==
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* Trawford, A. and Getachew, M. (2008) Parasites In Svendsen, E.D., Duncan, J. and Hadrill, D. (2008) ''The Professional Handbook of the Donkey'', 4th edition, Whittet Books, Chapter 6
    
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