Signalment

Hypothyroidism occurs more commonly in medium to large breeds of dog and in dogs aged 4 years old or more. There is no sex predisposition with the disease, it occurs equally in male and female dogs.

The breeds commonly affected include:

  • Golden retriever
  • Doberman pinscher
  • Labrador retriever
  • German Shepherd
  • Cocker spaniel
  • Irish setter
  • English Setter
  • Shetland Sheepdog
  • Old English Sheepdog
  • Akita
  • Dalmatian
  • Boxer
  • Rhodesian Ridgeback
  • Border Collie
  • Beagle
  • Husky
Dog pointing left