If native dogs are not vaccinated, they may be infected with canine distemper, parvovirus and other infectious diseases. Although the immunity of native dogs is stronger than that of breed dogs, the resistance of puppies is still relatively weak. If they are exposed to it when going out, Dogs carrying the virus, or some vomit, feces, contaminated food, etc., may cause the dog to be infected with the virus.
But if you raise a dog in a rural area and the dog rarely goes out, you can also consider not vaccination, or Just give the dog a rabies vaccine.