Demodex bovis

Demodex bovis, also known as the cattle follicle mite, usually causes demodicosis, or demodectic mange, in cattle. This disease is common in tropical areas and is not usually found in temperate environments. Demodicosis is characterized by the formation of papules and nodules over the cattle's skin. These lesions most commonly occur on the neck, shoulders, and armpit of cattle; however, sometimes they also appear on the udder. This condition is often found in cattle with increased stress from pregnancy or lactation. Natural and acquired immunity can cause a decrease in the number of mites infesting a cow, as well as decreasing the severity of a cow's symptoms.

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