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'''Pathogenesis and Epidemiology'''
 
'''Pathogenesis and Epidemiology'''
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*Initial infection is slight hair loss which may resolve spontaneously or could spread over the body
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''Diagnosis'''
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*Squamous demodecosis
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**Less serious
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**Dry reaction
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**Alopecia, desquamation and skin thickening
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**Absent to mild pruritis
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*Follicular/pustular demodecosis
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**More serious
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**Skin invasion by ''Staphylocci''
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**Skin becomes wrinkled, thickened and contains pustules whish ooze serum, blood or pus
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**Affected animals may be seriously disfigured
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**Severe pruritis is associated with secondary infection
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*Immune factors are important in determining the severity and occurence of demodecosis
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**Familial susceptibility
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**Immunosuppression
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**Immunosuppressants
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'''Cats'''
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*Rare
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*Confined to the periocular region
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*Mild squamous type only
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'''Cattle'''
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*Pea-sized nodules in the skin
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**Each nodule contains several thousand mites
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*Affects hide quality
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**Economically important in Australia
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'''Goats'''
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*Becoming more common in goats
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*Disease similar to that in cattle
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''Pigs, Sheep and Horses'''
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*Rare
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'''Diagnosis'''
    
*Liquid parafin applied to a skin fold
 
*Liquid parafin applied to a skin fold
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*To aid [[Ectoparasiticides|acaricide]] penetration, clipping a dog's coat and washing is recommended
 
*To aid [[Ectoparasiticides|acaricide]] penetration, clipping a dog's coat and washing is recommended
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===''Notoedres''===
 
===''Notoedres''===
  
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