Mange is a contagious skin disease caused by one of a variety of mites that live on the animal. It is transmitted by direct contact with diseased animals or indirectly by contaminated quarters or even dust baths. The mite's entire life cycle is on the animal and two to three weeks may be required to complete the life cycle. The Sarcoptic mange is caused specifically by Sarcoptes scabeii. The mite burrows into the outer layer of skin in areas without much hair such as the legs, ears, and belly. The area develops bald spots, flaking, crusts and the skin may become thickened and leather-like as the disease continues. The mites may cause intense itching. Your veterinarian can confirm the mites with a skin scraping. Treatment is Ivomec injected SQ, 1cc per 100 lbs. (Source - Dr. Norman Evans, DVM)