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*Host-specific
 
*Host-specific
 
*[[Psoroptes cuniculi|''Psoroptes cuniculi'']] in ear canals of rabbits, horses, goats and sheep
 
*[[Psoroptes cuniculi|''Psoroptes cuniculi'']] in ear canals of rabbits, horses, goats and sheep
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'''Pathogenesis'''
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*The ears are painful and intensely pruritic
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*Affected rabbits shake their heads and scratch their ears
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*The inner surfaces of the pinnae are covered with brown, scaly, fetid material, and the skin beneath is raw
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*Mites are grossly visible
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*Histologically, there is chronic erosive and proliferative eosinophilic dermatitis
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**The mites are non-burrowing and thus are found only in the exudate, not in the tissue
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'''Diagnosis'''
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*Microscopic examination for mites (low magnification)
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*Appearance
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'''Control'''
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*Infestations are difficult to eliminate from a colony
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**Ivermectin is usually effective.
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*[[Psoroptes|''P.equi'']] at base of mane, tail and forelock in horses
 
*[[Psoroptes|''P.equi'']] at base of mane, tail and forelock in horses
 
*[[Psoroptes ovis|''P.ovis'']] in sheep ('''sheep scab''')and cattle
 
*[[Psoroptes ovis|''P.ovis'']] in sheep ('''sheep scab''')and cattle
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