Commonly Affected Breeds

The following breeds are more likely to develop mitral valve disease:1

  • Boston Terrier
  • Cavalier King Charles Spaniel
  • Chihuahua
  • Fox Terrier
  • Miniature Pinscher
  • Miniature and Toy Poodles
  • Miniature Schnauzer
  • Pekingese
  • Pomeranian
  • Whippet

The following breeds are more likely to develop dilated cardiomyopathy (DCM):1

  • Afghan Hound
  • American Cocker Spaniel
  • Boxer
  • Dalmatian
  • Doberman Pinscher
  • English Bulldog
  • English Cocker Spaniel
  • Great Dane
  • Irish Wolfhound
  • Newfoundland
  • Saint Bernard
  • Scottish Deerhound

1. Ware WA. Cardiovascular Disease in Small Animal Medicine. London: Manson Publishing Ltd; 2011.

Facts about heart disease brochure

Learn more about canine heart disease…and help protect your dog’s heart.