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Coat Length

FGF5

chr32:35,473,451-35,495,175 · UU_Cfam_GSD_1.0

long-hair allele

Atlas-wide
Frequency
64%
dog-weighted average
Breeds with data
208
of 215
Dogs contributing
13,523
CanVAS Atlas
What the frequency means

FGF5 chr32:35.5Mb. Coat length: present in long-haired breeds (Pomeranian, Collie, Maltese).

High frequency means

long-coat allele common

Low frequency means

short-coat allele common

Top 10 breeds, highest frequency
  1. Briard herding
    100% n=13
  2. Great Pyrenees working
    100% n=20
  3. Greenland Sledge Dog other
    100% n=12
  4. Irish Setter sporting
    100% n=23
  5. Leonberger working
    100% n=25
  6. Miniature Schnauzer terrier
    100% n=62
  7. Pug toy
    100% n=31
  8. Taigan other
    100% n=8
  9. Tibetan Terrier non_sporting
    100% n=9
  10. Village Dog Honduras ancient_landrace
    100% n=8
Bottom 10 breeds, lowest frequency
  1. Bullmastiff working
    16% n=31
  2. Dogue De Bordeaux other
    17% n=9
  3. Miniature Bull Terrier terrier
    20% n=10
  4. Tibetan Spaniel sporting
    23% n=42
  5. Greater Swiss Mountain Dog working
    25% n=16
  6. Miniature Pinscher toy
    29% n=28
  7. Mastiff working
    31% n=32
  8. Finnish Spitz non_sporting
    32% n=22
  9. Boston Terrier non_sporting
    32% n=31
  10. Cavalier King Charles Spaniel toy
    32% n=102
Methodology

Frequency is measured at the typed-backbone 32:34288011 on chr32, 35.5 Mb (inside the gene body). Alleles T/C. Coordinates from ensembl symbol UU Cfam GSD 1.0. Per-breed frequencies are computed across all CanVAS dogs labelled with that breed (missing genotypes excluded). See methodology for the full pipeline.

Last updated
Sources: CanVAS (Brundage 2026) · OMIA · Dog10K (Meadows 2023)