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| − | | + | #REDIRECT[[Psoroptic Mange]] |
| − | ===Pathogenesis===
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| − | *Economically important ectoparasite of sheep
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| − | *Causes '''sheep scab'''
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| − | **Wool loss, restlessness, biting, scratching of infested area and decreased productivity through decreased weight gain
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| − | **Usually seen in '''late autumn''' and '''early winter''' (although may also occur in late summer)
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| − | **Population numbers decline after shearing due to a change in the micro-climate, then build up again as the fleece grows
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| − | **'''Notifiable in UK'''
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| − | | |
| − | *Mites found under scabs and in skin folds
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| − | *Lesions most common on flanks, neck, back and shoulders
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| − | | |
| − | *Causes pruritic condition of cattle
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| − | *Active in keratin layer
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| − | | |
| − | *Mouthparts abrade the skin
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| − | *Antigenic material in mite faeces can lead to hypersensitivity reactions
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| − | ===Diagnosis===
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| − | *Skin scraping
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| − | | |
| − | *KOH added
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| − | *Warm slide over a bunsen flame
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| − | *Examine under a microscope
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| − | | |
| − | ===Treatment===
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| − | *Sheep
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| − | **Plunge dipping; no less than 1 minute and must dip head at lease once
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| − | **Can treat with avermectins or milbemycins by injection
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| − | *Cattle, horses and rabbits
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| − | **No licensed product for horses in the UK
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| − | **Cattle and rabbits can be treated with avermectins, milbemycins or topical acaricides
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| − | [[Category:To_Do_-_Clinical]] | |
| − | '''Bold text'''
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