The owner was suffering from depression because of the death of his wife. It is possible he is in a mental health hospital. Does not appear to be a breeder just a hoarder.
None of the dogs saved by our rescue appear to be panda colored.
Here is the first one to be groomed, quite a difference before and after.
https://www.facebook.com/gsroc.org/photos/pcb.10154144627519515/10154144625794515/?type=3&theater