Sounds like dry skin to me.
Get DermCaps, or the Derm Caps Liquid. You give it to them with their food. I used them on My miniature pinscher who had thin hair on her chest, and it was dry. After about 2-3 weeks on this her coat is nice and shiny and black, and the hair on her chest is growing in nice and thick.
Get DermCaps, or the Derm Caps Liquid. You give it to them with their food. I used them on My miniature pinscher who had thin hair on her chest, and it was dry. After about 2-3 weeks on this her coat is nice and shiny and black, and the hair on her chest is growing in nice and thick.