What causes the shedding of hair loss in dogs are out?

Some reasons news for hair loss in women Tip: question Pamela : What are the reasons for shedding hair loss in a dog, except My chow mix / spaniel hair loss in two different places on two inches wide buttocks. It has a slight irritation of the skin on the bald spots. I saw them scrape into the field. She is 18 months. She lives in spades, and a fenced yard was with her four littermates. It is the only one with this problem. I want to put something on it, do not sting or not they cause any

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