i have a baby musk, and i have been noticing him. ..well it kind of looks like he is scratching for fleas, like a dog. also he has been biting at himself his arms especially. i was wodering if this is normal like he is just shedding his skin and that sratching heps it along. or if this is some thing else. i have not noticed any lose skin or patches wher it looks like some is missing.