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Staffordshire Bull Terrier

Staffordshire Bull Terrier genetic profile from the CanVAS Atlas. 24 dogs in the Atlas, heterozygosity 0.35. Nearest relatives, trait loci frequencies, cohort distribution.

What the atlas says about Staffordshire Bull Terrier

In the atlas, the Staffordshire Bull Terrier clusters consistently as Staffordshire Bull Terrier (100% of the 24 dogs here). Genetic diversity is high (mean heterozygosity 0.353), reflecting either a mixed-breed cluster or breeds with broad genetic backgrounds.

Ranks 89 of 107 on the bottleneck severity scale, in the upper quartile of genetic diversity. Mean heterozygosity is 0.353, notably high, indicates broad genetic background. Only 24 dogs of this breed in the atlas, modestly sampled.

Closest genetic neighbors in the atlas: Boston Terrier, French Bulldog, Mastiff, Glen Of Imaal Terrier, and Bulldog.

Genetic dimensions · CanVAS atlas

What the genome says about Staffordshire Bull Terrier

Computed from the 14,478 research dogs in the Atlas. Methods: technical methodology.

Dogs in the Atlas
24Founders
13 from Hayward2016, 10 from Spatola, 1 from JenkinsWGS
Genetic diversity
0.35Diverse
Mean heterozygosity across the breed. Ranks 89th most genetically tight of 107 ranked breeds.
Cluster structure
Single tight cluster
Intra-breed RMS distance: 25.11
Nearest genetic relatives
  1. Boston Terrier5.32
  2. French Bulldog8.22
  3. Mastiff11.17
  4. Glen Of Imaal Terrier12.81
  5. Bulldog15.28
Top-10 PC corrected Euclidean. Lower = closer.
Trait genetics
Allele frequencies at named morphology loci

Frequency of the alternate allele in this breed at each locus's representative SNP. Methods + caveats in technical methodology.

Body size
IGF161%
HMGA244%
SMAD285%
LCORL94%
STC265%
ADAMTS1756%
Leg length
FGF4·CFA1885%
FGF4·CFA1281%
Coat
RSPO258%
FGF544%
KRT7194%
MC1R77%
Ear set
MSRB397%
Skull shape
BMP382%
SMOC271%
Add your Staffordshire Bull Terrier to the Atlas

You can add your Staffordshire Bull Terrier right now at /add/ as a Charted star. Or, if you'd rather wait for DNA uploads, leave your email and we'll let you know the moment those open.

Last updated
Sources: CanVAS (Brundage 2026) · CanVAS dimensions data