Use of a mechanical brush by dairy cows with mange

Lucas Pantaleon

Mange is a skin disease caused by chorioptes spp. which is a non-burrowing mite and it is the most common pathogen causing mange in cattle. The mite causes local inflammation and the characteristic crusty skin lesions located mainly at the head of the tail. Mange is common in herds housed indoors year-round, with a prevalence as high as 87.5%. Cows housed indoors have limited opportunities to groom the area most commonly affected by mange, hence hindering their ability to relieve itchiness. Mange causes inflammation of the skin and the release of histamine, which in turn activates nerve fibers inducing pruritus. Hence, it could be speculated that itching is correlated to the severity of the lesion and mite infestation.

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