American Veterinary Medical Association three other options AVMA Collections Canine Anxiety Disorders American Veterinary Medical Association 40% of all dogs 20 to 40 percent of pets American Veterinary Medical Association 20-40% of dogs experience separation anxiety American Veterinary Medical Association 20-40% of dogs experience separation anxiety AVMA Collections Canine Anxiety Disorders 20-40% of dogs experience separation anxiety treatment of depression and anxiety American Veterinary Medical Association estimated AVMA Collections Canine Anxiety Disorders AVMA - Canine Anxiety Disorders