in selective focus of the dermatitis in dog ear,show the disease ,blad patchy area of the skin in dog ear,alopecia

abandoned animal area background bacteria blad canine care dermatitis dermatologist diagnosis disease doctor dog earalopecia earalopeciaitchy earshow focus fungus fur hair health hospital hygiene hypersensitivity illness infection inflammation itch itching itchy leprosy loss mammal medical melassesia nature outside pain patchy pet portrait problem puppy scab scabies scratch sculpt selective sick skin skinny stray treat treatment veterinarian veterinary