close up the skin and dog hair,this show the dermatitis in dog and disease on dog skin

abandoned alopeciadermatitis and animal area background canine close demodicosis dermatitis dermatologist diagnosis disease diseased dog dogs domestic flea follicles fungus fur hair hairthis health hygiene hypersensitivity illness infection infestation inflammation inflammatory itch itching itchy leprosy mammal medical nature patchy pet problem scabies scratch show sick skin skinbald skinny smell stray treat treatment veterinarian veterinary