Difference between revisions of "Midges - Donkey"
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=Sweet itch= | =Sweet itch= | ||
| − | This is hypersensitivity caused by flies of | + | 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. |
==Clinical Signs== | ==Clinical Signs== | ||
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* Insecticides: 4% permethrin and benzyl benzoate (do not apply to broken or damaged skin) | * Insecticides: 4% permethrin and benzyl benzoate (do not apply to broken or damaged skin) | ||
* 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 | * 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== | ==References== | ||
Revision as of 22:20, 22 March 2010
Sweet itch
This is hypersensitivity caused by flies of Culicoides spp. and a recurring seasonal problem in susceptible donkeys is common. Observations at The Donkey Sanctuary would indicate that a familial predisposition to sweet itch might exist.
Clinical Signs
Sweet itch presents as a pruritic dermatitis with lesions, usually along the dorsal surface of the donkey from neck to rump.
Treatment and control
- Control of the midges should effect a cure
- In more severe cases the use of topical antibacterial shampoos and even antibiotic and corticosteroids may be indicated
There are a number of other control measures that can be used, each with variable success.
- Avoid areas favourable for the breeding of midges, such as stagnant water, decaying vegetation and manure
- 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
- Midges are most active at dusk and dawn so it is recommended that donkeys are stabled during this period
- Insect repellents: Deet (N,N-Diethyl-m-toluamide)
- Insecticides: 4% permethrin and benzyl benzoate (do not apply to broken or damaged skin)
- Recently Boett blankets have been used to good effect at 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
References
- 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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