Final answer:
Demodicosis is the result of an infestation of mites called Demodex, which can be contracted through direct contact with infected animals or nursing by an infested dam.
Step-by-step explanation:
Demodicosis is the result of an infestation of mites called Demodex. These mites are commonly found in the hair follicles of animals, including humans. The most common way to contract demodicosis is through direct contact with infected animals, such as dogs or cats. The mites can also be transmitted from an infested mother to her offspring through nursing. The presence of too many mites on the skin can lead to demodicosis.