Sebaceous Adenitis usually occurs at or prior to 1 year of age. Mode of inheritance is unknown. Symptoms tend to be symmetrical on both sides of the body and can appear anywhere. Hairs are dull, brittle and tend to be matted. There is severe scaliness. The skin tends to be greasy and there can be severe hair loss in affected areas. Hereditary mechanism is unknown in the Doberman.
This one sounds more as to what is going on i wonder if there is a cure or a way to get his hair to grow back.thank you so much for taking the time to look that up