Hypothyroidism in dogs

Measured in 65 breeds across 3 sources. Figures are grouped by how they were measured, because those groups are not comparable with one another.

24.7%Highest recorded
65Breeds measured
$260Typical treatment cost

Screened dogs

Share of dogs submitted for screening that were graded affected.

Describes dogs whose owners chose to test them, not the breed. Submission is voluntary and normal results are more likely to be sent in.

  • English Setter

    screening registry OFA, 1974-2026 n = 2,262

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    24.7%

  • Shetland Sheepdog

    screening registry OFA, 1974-2026 n = 2,396

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    11.9% $260 typical

  • Dalmatian

    screening registry OFA, 1974-2026 n = 2,707

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    10.9% $260 typical

  • Boxer

    screening registry OFA, 1974-2026 n = 2,329

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    10.5% $260 typical

  • Welsh Springer Spaniel

    screening registry OFA, 1974-2026 n = 1,631

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    9.6%

  • Irish Setter

    screening registry OFA, 1974-2026 n = 2,309

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    9.1% $260 typical

  • Rhodesian Ridgeback

    screening registry OFA, 1974-2026 n = 8,312

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    8.9% $260 typical

  • Nova Scotia Duck Tolling Retriever

    screening registry OFA, 1974-2026 n = 1,236

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    8.6%

  • Afghan Hound

    screening registry OFA, 1974-2026 n = 1,386

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    8.4%

  • Cocker Spaniel

    screening registry OFA, 1974-2026 n = 464

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    7.4% $260 typical

  • Cane Corso

    screening registry OFA, 1974-2026 n = 237

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    7.2% $260 typical

  • Havanese

    screening registry OFA, 1974-2026 n = 823

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    7.2% $260 typical

  • Giant Schnauzer

    screening registry OFA, 1974-2026 n = 1,565

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    7% $260 typical

  • Old English Sheepdog

    screening registry OFA, 1974-2026 n = 1,425

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    7% $260 typical

  • Beagle

    screening registry OFA, 1974-2026 n = 620

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    6.5% $260 typical

  • Golden Retriever

    screening registry OFA, 1974-2026 n = 6,539

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    5.7% $260 typical

  • Akita

    screening registry OFA, 1974-2026 n = 1,421

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    5.5% $260 typical

  • Flat-Coated Retriever

    screening registry OFA, 1974-2026 n = 270

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    5.5%

  • Borzoi

    screening registry OFA, 1974-2026 n = 2,642

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    5.4%

  • Bloodhound

    screening registry OFA, 1974-2026 n = 223

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.9% $260 typical
Show the other 42 breeds

  • Great Dane

    screening registry OFA, 1974-2026 n = 9,088

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.8% $260 typical

  • Leonberger

    screening registry OFA, 1974-2026 n = 2,176

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.7%

  • Alaskan Malamute

    screening registry OFA, 1974-2026 n = 373

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.6%

  • Border Collie

    screening registry OFA, 1974-2026 n = 327

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.3% $260 typical

  • Keeshond

    screening registry OFA, 1974-2026 n = 560

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.3%

  • Doberman Pinscher

    screening registry OFA, 1974-2026 n = 4,541

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    4.1% $260 typical

  • Basenji

    screening registry OFA, 1974-2026 n = 1,319

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.8% $260 typical

  • Italian Greyhound

    screening registry OFA, 1974-2026 n = 610

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.6% $260 typical

  • Standard Schnauzer

    screening registry OFA, 1974-2026 n = 392

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.6%

  • Saluki

    screening registry OFA, 1974-2026 n = 282

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.6%

  • Scottish Terrier

    screening registry OFA, 1974-2026 n = 300

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.4% $260 typical

  • Brittany

    screening registry OFA, 1974-2026 n = 154

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    3.2% $260 typical

  • Weimaraner

    screening registry OFA, 1974-2026 n = 1,320

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.9% $260 typical

  • Great Pyrenees

    screening registry OFA, 1974-2026 n = 249

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.8% $260 typical

  • German Shepherd

    screening registry OFA, 1974-2026 n = 1,516

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.8% $260 typical

  • Australian Shepherd

    screening registry OFA, 1974-2026 n = 527

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.8% $260 typical

  • Portuguese Water Dog

    screening registry OFA, 1974-2026 n = 113

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.7% $260 typical

  • Collie

    screening registry OFA, 1974-2026 n = 479

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.7% $260 typical

  • Vizsla

    screening registry OFA, 1974-2026 n = 3,952

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.6% $260 typical

  • Mastiff

    screening registry OFA, 1974-2026 n = 2,629

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.6% $260 typical

  • Dogue de Bordeaux

    screening registry OFA, 1974-2026 n = 287

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.4%

  • German Shorthaired Pointer

    screening registry OFA, 1974-2026 n = 938

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.3% $260 typical

  • English Springer Spaniel

    screening registry OFA, 1974-2026 n = 519

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.3% $260 typical

  • Rottweiler

    screening registry OFA, 1974-2026 n = 1,526

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.3% $260 typical

  • Bullmastiff

    screening registry OFA, 1974-2026 n = 1,043

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.3% $260 typical

  • Gordon Setter

    screening registry OFA, 1974-2026 n = 262

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.3%

  • Labrador Retriever

    screening registry OFA, 1974-2026 n = 1,453

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2.2% $260 typical

  • Bernese Mountain Dog

    screening registry OFA, 1974-2026 n = 1,357

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2% $260 typical

  • Chinese Shar-Pei

    screening registry OFA, 1974-2026 n = 410

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    2% $260 typical

  • Poodle

    screening registry OFA, 1974-2026 n = 8,069

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.7% $260 typical

  • Chow Chow

    screening registry OFA, 1974-2026 n = 551

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.7% $260 typical

  • Belgian Malinois

    screening registry OFA, 1974-2026 n = 236

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.3% $260 typical

  • Newfoundland

    screening registry OFA, 1974-2026 n = 1,225

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.3% $260 typical

  • Bearded Collie

    screening registry OFA, 1974-2026 n = 1,287

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.3%

  • Pomeranian

    screening registry OFA, 1974-2026 n = 257

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.2% $260 typical

  • Bulldog

    screening registry OFA, 1974-2026 n = 1,202

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.1% $260 typical

  • Siberian Husky

    screening registry OFA, 1974-2026 n = 282

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    1.1% $260 typical

  • Samoyed

    screening registry OFA, 1974-2026 n = 386

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    0.80% $260 typical

  • Norwegian Elkhound

    screening registry OFA, 1974-2026 n = 135

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    0.70%

  • Dachshund

    screening registry OFA, 1974-2026 n = 307

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    0.60% $260 typical

  • Whippet

    screening registry OFA, 1974-2026 n = 185

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    0.50% $260 typical

  • French Bulldog

    screening registry OFA, 1974-2026 n = 893

    Dogs voluntarily submitted to the OFA registry, predominantly breeding stock

    0.40% $260 typical

Owner survey

Share of dogs whose owners reported the condition at one point in time.

Depends on owners noticing and recalling. Mild or resolved cases are undercounted.

  • Rhodesian Ridgeback

    breed-specific finding KC survey 2017, 2014

    Live UK Kennel Club registered dogs, owner reported

    2.5% 1.2% to 5% $260 typical

  • Siberian Husky

    breed-specific finding KC survey 2017, 2014

    Live UK Kennel Club registered dogs, owner reported

    2.3% 0.97% to 5.2% $260 typical

Lifetime, owner-reported

Share of dogs whose owners report the dog has ever had the condition.

Counts everything a dog has ever had, so it runs higher than a one-year rate and is not comparable with one.

  • Doberman Pinscher

    clinical or cohort Dog Aging Project breeds 2023, 2019-2022 n = 8

    27,541 US companion dogs in the Dog Aging Project, owner reported

    5.6% 2.8% to 10.6%

Where these figures come from

  • OFA Grade C

    Orthopedic Foundation for Animals, Disease Statistics by Breed. Cumulative evaluations submitted to the OFA registry.

    View source
  • Dog Aging Project breeds 2023 Grade B

    Forsyth KK, McCoy BM, Schmid SM, Promislow DEL, Snyder-Mackler N, the DAP Consortium. Lifetime prevalence of owner-reported medical conditions in the 25 most common dog breeds in the Dog Aging Project pack. Frontiers in Veterinary Science. 2023;10:1140417.

    View source
  • KC survey 2017 Grade C

    Wiles BM, Llewellyn-Zaidi AM, Evans KM, O'Neill DG, Lewis TW. Large-scale survey to estimate the prevalence of disorders for 192 Kennel Club registered breeds. Canine Genetics and Epidemiology. 2017;4:8.

    View source

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