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Eggs deposited by female mites in the horny outer layer of the skin undergo
three development stages (larvae, nymphs and adults) in about 17 to 21
days. The adult mites mechanically damage the skin of the host by making
minute burrows. Allergic reaction is shown to mite saliva and faeces
usually followed by secondary infection. Intense pruritis evolving small
vesicles and inflammatory reaction of the skin characterize the beginning of
the disease. Pruritis is severe and affected animals resort to extensive
rubbing and scratching. Affected areas show loss of hair and become moist
and suppurative. Fully developed mange...
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