There was another Chow Chow who bit her right backside bare and started losing hair. I remember this owner as he keeps beautiful arowanas displayed in big tanks in his office and beautiful koi. He has two pretty Golden Retrievers. And a Chow Chow.
The carer had gone back to China for a holiday and the Singapore employee groomer had resigned. "How's the dog?" I asked the brother of the owner. I had the dog clipped bald too and gave the skin disease treatment.
"I don't know," he said as he brought his dog for skin disease treatment. Later he checked and told me the hairs had grown back.