Companion Animals

Cat Feline Demodicosis Welfare

Feline demodicosis caused by Demodex mites causes skin disease that may indicate underlying immune compromise requiring investigation.

Key Facts

Two species of Demodex affect cats: Demodex cati and the larger Demodex gatoi
Demodex gatoi is contagious between cats unlike Demodex cati which is a normal skin inhabitant
Clinical signs include facial crusting, alopecia, and pruritus
Localized demodicosis often resolves spontaneously in otherwise healthy cats
Generalized demodicosis may indicate immunosuppression requiring investigation for underlying causes

Welfare Considerations

Cats with Demodex gatoi experience significant pruritus from contagious mite infestation. Generalized cases associated with immunosuppression cause additional welfare compromise from the underlying disease.

What You Can Do

Seek veterinary assessment for cats with facial crusting or unusual alopecia patterns
Treat all in-contact cats when Demodex gatoi is diagnosed in a multi-cat household
Investigate for underlying immunosuppressive disease in cats with generalized demodicosis