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Golden Retriever

Golden Retriever
Photo: Dukedestiny01.jpg: "Janneke Vreugdenhil" derivative work: Anka Friedrich ([[User talk:Ankaaswe Trix Friedrich|talk]]) / Public domain · Wikimedia

3,523 Golden Retrievers in the atlas. Every number on this page has a source.

3,523 Golden Retrievers in the Sniff atlas. Population-genetic snapshot, top five Mendelian variants with source-graded carrier frequencies, and longevity outliers from the Golden Retriever Lifetime Study.

See in the atlas → From CanVAS GRLS cohort The Heroes →
The question every Golden owner asks

Golden Retrievers and cancer: the honest answer

Yes, Goldens face cancer more than almost any breed. No, it is not the whole story, and you are not powerless. We wrote it all down plainly: the real number, what no DNA test can tell you, the few things that genuinely help, and the 196 of the most-studied Goldens on Earth who simply grew old.

Read the honest answer →
The plain version

Golden Retrievers have a moderately diverse genetic background. They are medium to large dogs, typically weighing around 66 pounds, and often live about 13 years. Some health conditions, like Ichthyosis and a type of Cystinuria, have been found in their gene pool, so it’s a good idea to talk with your vet or consider genetic testing to keep your dog happy and healthy.

What the atlas says about Golden Retriever

In the atlas, the Golden Retriever clusters consistently as Golden Retriever (100% of the 3523 dogs here). At the trait loci, the FGF4_retrogene_CFA18 variant is near-fixed at 100% vs 77% atlas-wide.

High breed predictability score (0.93), individual dogs of this breed reliably cluster together genetically. Well-sampled in CanVAS: 3,523 dogs.

Median lifespan is 13.15 years, about 1.5 years longer than a typical dog of 29.5 kg, an unusually positive longevity for this size.

Genetic dimensions · CanVAS atlas

What the genome says about Golden Retriever

Computed from the 18,477 research dogs in the Atlas.

Dogs in the Atlas
3,523Founders
3,197 from GRLS, 247 from Hayward2016, 57 from Shannon
Genetic diversity
0.28Moderate
Mean heterozygosity across the breed. Ranks 28th most genetically tight of 107 ranked breeds.
What does genetic diversity mean?

How varied a breed's gene pool is — the share of gene spots where a typical dog of the breed carries two different versions rather than two identical ones.

How to read it: Higher = more diverse. Among well-sampled breeds it ranges roughly 0.22 (least diverse) to 0.33 (most diverse).

Diversity is a strength, not a verdict on any individual dog. Lower diversity means it's worth paying attention to recessive-risk testing — not that a dog is doomed.

Cluster structure
Single tight cluster
Intra-breed RMS distance: 35.80
What does within-breed variation mean?

How much individual dogs within the breed differ from each other genetically.

How to read it: Higher = more internal variety among individuals of the breed.

Sensitive to how many dogs of the breed we've sampled.

Related breeds
Built from
Close cousins
Distant kin · one shared founding ancestor
In the Sporting group
Explore the full lineage map →
VBO foundation stock (breeding records) · AKC breed group
Relatedness is documented lineage + kennel family. Genetic-ancestry distance measures diversity, not kinship, so it isn't used here.
How long they live
13.2years (life expectancy)
95% CI 13.1–13.2 · VetCompass, McMillan 2024, n=11,506. source
Breed-club estimate: 10 to 12 years (Morris Animal Foundation).
What does typical lifespan mean?

The median age dogs of the breed tend to reach.

How to read it: Higher = longer-lived. Compare to longevity-for-size to see whether it's just a size effect.

Drawn from population lifespan records; individual dogs vary widely with care, genetics, and luck.

Trait genetics
Allele frequencies at named morphology loci

Frequency of the alternate allele in this breed at each locus's representative SNP.

Body size
IGF152%
HMGA285%
SMAD289%
LCORL98%
STC292%
ADAMTS1728%
Leg length
FGF4·CFA18100%
FGF4·CFA1299%
Coat
RSPO255%
FGF562%
KRT71100%
MC1R39%
Ear set
MSRB3100%
Skull shape
BMP354%
SMOC283%
n = 3,523 dogs · high confidence · CanVAS (Brundage 2026) · Sniff Atlas
Names & origins

Identified as Golden Retriever (VBO:0200610) in the Vertebrate Breed Ontology (Mullen et al. 2025, CC-BY 4.0) · registry IDs FCI 111 · iDog 116 · VeNom 14609.

Temperament

What Golden Retrievers tend toward

Tendencies from owner surveys of purebred Golden Retrievers — a leaning across the breed, not a prediction for any one dog. A bar’s strength shows how much of that behavior breed actually explains: for most it’s faint, because the rest is your dog, their training, and the life you give them.

Human Sociabilitybreed ~11%
less sociablehighly sociable
Toy-directed Motor Patternsbreed ~18%
toy-directednot toy-directed
Biddabilitybreed ~18%
biddableindependent
Agonistic Thresholdbreed ~9%
assertivediffident
Arousal Levelbreed ~8%
arousedcomposed
Proximity Seekingbreed ~13%
affectionatealoof
Environmental Engagementbreed ~9%
high engagementlow engagement
Dog Sociabilitybreed ~8%
less sociablehighly sociable
n = 158 dogs · Morrill et al. 2022, Science, Darwin's Ark (CC0)
Owner-reported purebreds; each factor n ≥ 25. "Breed ~%" is the share of this behavior explained by breed.
What you see when you look at a Golden Retriever

What does the genome say about how a Golden Retriever looks?

Golden Retrievers look the way they do because of a small set of fixed and near-fixed morphology genes that, taken together, define the visible breed. Each translation below pairs the gene with the trait an owner actually sees, the breed's allele frequency at that locus, and a one-clause causal phrase.

Where the breed-defining genes act, mapped on a generic dog-body key — and how fixed each marker is in the Golden Retriever. The figure is the most-settled marker we read in that region; the full per-locus panel is below. (The silhouette is a shared anatomical guide, not this breed's outline.)

Body sizeLCORL · 98%Skull shapeSMOC2 · 83%EarsMSRB3 · 100%Leg lengthFGF4 CFA18 · 100%Coat & colorKRT71 · 100%
CanVAS trait-locus panel (Brundage 2026)
15 morphology markers read across 5 regions. Allele frequency = how fixed a marker is in this breed, not whether your dog carries it.

Size and build

IGF1 sits at 52% for the small-body allele. IGF1 is the gene that sets dog body size from Chihuahua to Great Dane. Intermediate frequencies typically keep a breed in the mid-sized range rather than tipping toward the larger working forms.

IGF1what this gene does

IGF1 is a gene that plays a key role in determining a dog's body size. It influences how much a dog grows, affecting overall stature.

For your dog: Knowing about IGF1 gives you insight into your dog's size traits, but it’s just one part of the bigger picture when it comes to their health and care.

Full IGF1 gene page →

HMGA2 is near-fixed at 85%, reinforcing the breed's size signal through a second locus on chromosome 10.

HMGA2what this gene does

HMGA2 is a gene that influences body size in dogs, helping determine how big or small a dog grows.

For your dog: Knowing about HMGA2 helps you appreciate the genetic factors behind your dog's size, but it doesn't signal any health issues.

Full HMGA2 gene page →

SMAD2 is near-fixed at 89%, a chromosome-7 height locus differentiating small from giant breeds.

SMAD2what this gene does

SMAD2 is a gene involved in regulating body size by influencing how cells grow and develop.

For your dog: Knowing about SMAD2 helps understand your dog's size traits but isn't linked to health issues; no immediate action needed.

Full SMAD2 gene page →

LCORL is near-fixed at 98%, the NCAPG/LCORL height locus that is one of the strongest single contributors to canine body size.

LCORLwhat this gene does

LCORL is a gene that influences body size in dogs. It helps determine how big or small a dog might grow.

For your dog: Knowing about LCORL helps you appreciate the genetic factors behind your dog's size, but it’s just one piece of the bigger picture when it comes to health and care.

Full LCORL gene page →

STC2 is near-fixed at 92%, modulating growth-axis signaling toward the breed's body-size set point.

ADAMTS17 is at 28%, the lower-frequency allele in this breed.

ADAMTS17what this gene does

ADAMTS17 is a gene that influences body size and also plays a role in certain eye conditions. It affects the structure of tissues in the eye and elsewhere in the body.

For your dog: If your dog belongs to a breed known to carry ADAMTS17 variants, it’s worth discussing genetic testing and eye exams with your vet to stay ahead of potential issues.

Full ADAMTS17 gene page →

Leg length

The FGF4 retrogene on chromosome 18 is near-fixed in this breed at 100%. This is the leg-length variant. The breed is fully committed to the long-legged form rather than the short-legged Corgi-and-Dachshund body plan.

The FGF4 retrogene on chromosome 12 is near-fixed at 99%, the chondrodystrophic variant associated with intervertebral disc disease risk in breeds that carry it.

Coat type, length, and color

RSPO2 is at 55% in Goldens. Furnishings (the eyebrow-and-mustache pattern seen in Schnauzers and Wheaten Terriers) vary at the population level, though most Goldens do not display visible furnishings.

RSPO2what this gene does

RSPO2 influences the texture and appearance of a dog's coat, particularly the presence of 'furnishings' like mustaches and eyebrows. It helps determine whether a dog has that distinctive wiry or textured look.

For your dog: If your dog has those wiry eyebrows or a mustache, RSPO2 is part of the reason—no health worries, just a coat feature worth knowing about.

Full RSPO2 gene page →

FGF5 is at 62% for the long-coat allele. Despite this intermediate frequency, Goldens consistently present with a clearly long coat, suggesting other loci or the specific allele definition contribute to the visible phenotype.

FGF5what this gene does

FGF5 is a gene that influences the length of a dog's coat. It acts like a natural switch, telling hair follicles when to stop growing longer fur.

For your dog: If your dog has a notably long or short coat, FGF5 is likely part of the reason—no action needed, but it’s a neat genetic detail to know.

Full FGF5 gene page →

KRT71 is fixed at 100% for the curl variant in Goldens. Despite this, visible coat curl varies from straight to wavy across individuals, suggesting modifiers or environmental factors influence expression. The flat coat some Goldens carry is not due to variation at this locus.

KRT71what this gene does

KRT71 is a gene that influences the curliness of a dog's coat. It helps determine whether a dog's fur is straight or has a distinctive curl.

For your dog: If your dog has a curly coat, KRT71 is likely part of the reason; it’s a natural variation, not a health concern.

Full KRT71 gene page →

MC1R sits at 39% at the representative SNP in Goldens. The visible phenotype is unambiguous: Goldens are gold-to-red because the e/e homozygous genotype at MC1R blocks black and brown pigment expression. Breeder selection for the gold-to-red phenotype keeps the e/e state effectively universal in the breed standard. The 39% substrate frequency at this representative SNP depends on the array's polarity at this specific SNP and does not contradict the unambiguous phenotype.

MC1Rwhat this gene does

MC1R is a gene that influences coat color in dogs, affecting how pigments are produced in the fur.

For your dog: Knowing about MC1R gives insight into your dog's coat color but doesn't relate to health issues.

Full MC1R gene page →

Ears

MSRB3 is at 100% for the drop-ear allele, the genetic basis of the breed's signature dropped ear set.

MSRB3what this gene does

MSRB3 is a gene involved in the development of ear shape and structure in dogs.

For your dog: Understanding MSRB3 helps explain why your dog's ears look the way they do, but it isn't linked to any health issues.

Full MSRB3 gene page →

Skull shape

BMP3 sits at 54%, contributing to the breed's moderate, mesaticephalic head shape rather than the extreme brachycephalic form.

BMP3what this gene does

BMP3 is a gene that influences the shape of a dog's skull, particularly contributing to a shorter, broader head shape known as brachycephaly.

For your dog: If your dog has a broad, short skull, it's worth discussing with your vet how this might impact their health, even though BMP3 isn't directly tied to illness.

Full BMP3 gene page →

SMOC2 sits at 83%, contributing to the breed's moderate head shape.

SMOC2what this gene does

SMOC2 influences the shape of a dog's skull, particularly affecting how flat or short the face appears.

For your dog: If your dog has a short nose, it's worth discussing with your vet how this trait might impact their health over time.

Full SMOC2 gene page →
Mendelian-disease genetics

What genetic diseases do Golden Retrievers carry?

From a panel of 250 Mendelian-disease variants screened in 1,054,293 dogs (Donner et al. 2023), Golden Retrievers carry 33 of them at observable frequency. Carrier frequency is not clinical risk. Most recessive variants require two copies for disease expression; many dominant variants show incomplete penetrance. Read this as a population fingerprint of what's in the gene pool, not a per-dog prediction.

Ichthyosis (Discovered in the Golden Retriever)
Autosomal recessive
high 27.5%
n = 12,881 dogs · 1 variant tested · OMIA:001588-9615 · omia.org →
PNPLA1what this gene does

PNPLA1 is a gene involved in maintaining the skin's barrier by helping produce essential fats that keep the skin healthy and hydrated.

For your dog: If your dog is from a breed known to carry PNPLA1 variants and shows persistent dry, flaky skin, it's worth discussing with your vet to understand if genetics might be playing a role.

Cystinuria Type I-B (SLC7A9 p.A217T)
Autosomal recessive (Incomplete penetrance)
high 23.7%
n = 12,881 dogs · 2 variants tested · OMIA:001880-9615 · omia.org →
SLC7A9what this gene does

SLC7A9 is a gene that helps transport certain amino acids in the kidneys. It plays a role in how the body handles cystine, an amino acid that can form crystals.

For your dog: If your dog is a carrier, it’s worth discussing with your vet to monitor urinary health and catch any issues early.

Progressive Retinal Atrophy (Discovered in the Golden Retriever; GR_PRA2)
Autosomal recessive
low 2.8%
n = 12,881 dogs · 1 variant tested · OMIA:001984-9615 · omia.org →
Progressive Rod-Cone Degeneration (prcd-PRA)
Autosomal recessive
low 2.7%
n = 12,860 dogs · 1 variant tested · OMIA:001298-9615 · omia.org →
PRCDwhat this gene does

PRCD is a gene involved in the health of a dog's retina, the part of the eye that detects light and helps with vision.

For your dog: If your dog belongs to a breed known to carry PRCD changes, it's worth discussing eye health and potential genetic testing with your vet.

Progressive Retinal Atrophy (Discovered in the Golden Retriever; GR_PRA1)
Autosomal recessive
low 1.6%
n = 12,860 dogs · 1 variant tested · OMIA:001572-9615 · omia.org →
Congenital Myasthenic Syndrome (Discovered in the Heideterrier; CHRNE-related; CMS)
Autosomal recessive
low 0.23%
n = 12,880 dogs · 2 variants tested · OMIA:000685-9615 · omia.org →
CHRNEwhat this gene does

CHRNE is a gene involved in the communication between nerves and muscles, helping muscles respond properly to signals.

For your dog: If your dog is from a breed known to carry CHRNE variants, it's worth discussing with your vet, especially if you notice muscle weakness or unusual fatigue.

Chondrodystrophy and Intervertebral Disc Disease Risk (CDDY)
Autosomal dominant
low 0.18%
n = 12,842 dogs · 1 variant tested · OMIA:000157-9615 · omia.org →
FGF4what this gene does

FGF4 influences leg length by affecting bone growth, leading to shorter legs in certain breeds.

For your dog: If your dog is from a breed known to carry this gene, it's worth discussing spinal health with your vet, but being a carrier doesn’t guarantee problems.

Degenerative Myelopathy (DM)
Autosomal recessive (Incomplete penetrance)
low 0.17%
n = 12,881 dogs · 1 variant tested · OMIA:000263-9615 · omia.org →
SOD1what this gene does

SOD1 is a gene that helps protect cells from damage caused by harmful molecules called free radicals.

For your dog: If your dog is a carrier of SOD1 variants, it's worth discussing with your vet, but remember carrier status doesn't mean your dog will get the disease.

Acral Mutilation Syndrome (AMS)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:001514-9615 · omia.org →
GDNFwhat this gene does

GDNF is a gene that helps support nerve cells, especially those involved in sensing pain and movement.

For your dog: If your dog is from a breed that can carry this gene change, it’s worth asking your vet about testing to understand any potential risks.

Congenital Myasthenic Syndrome (Discovered in the Labrador Retriever)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 2 variants tested · OMIA:001928-9615 · omia.org →
Exercise-Induced Collapse (EIC)
Autosomal recessive (Incomplete penetrance)
low <0.1%
n = 12,879 dogs · 1 variant tested · OMIA:001466-9615 · omia.org →
DNM1what this gene does

DNM1 is a gene that helps nerve cells communicate properly by managing how they send signals during muscle activity.

For your dog: If your dog belongs to one of the breeds known to carry this gene variant, it's worth discussing EIC with your vet, especially if your dog is very active or shows signs of weakness during exercise.

Von Willebrand's Disease, Type 1 (vWD 1)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:001057-9615 · omia.org →
Progressive Retinal Atrophy (Discovered in the Swedish Vallhund; MERTK-related)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:001932-9615 · omia.org →
MDR1 (Multidrug Resistance 1) Medication Sensitivity
Autosomal dominant
low <0.1%
n = 12,880 dogs · 1 variant tested · OMIA:001402-9615 · omia.org →
ABCB1what this gene does

ABCB1 is a gene that helps control how certain drugs are processed and cleared from a dog's body.

For your dog: If your dog is from a breed that carries this gene variant, ask your vet about medication sensitivities before giving any new drugs.

Early-Onset Progressive Polyneuropathy (Discovered in the Greyhound)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 2 variants tested · OMIA:002120-9615 · omia.org →
NDRG1what this gene does

NDRG1 is a gene involved in nerve cell function and maintenance, helping keep the nervous system working properly.

For your dog: If your dog is from a breed known to carry NDRG1 variants, it’s worth discussing with your vet, especially if you notice any mobility issues.

Collie Eye Anomaly (CEA)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:000218-9615 · omia.org →
NHEJ1what this gene does

NHEJ1 is a gene involved in repairing breaks in DNA, helping maintain the integrity of genetic information in cells.

For your dog: If your dog belongs to one of the breeds known to carry this gene variant, it's worth discussing testing with your vet to understand any potential eye health risks.

Stargardt Disease (Discovered in the Labrador Retriever)
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:002179-9615 · omia.org →
ABCA4what this gene does

ABCA4 is a gene that helps manage the transport of molecules in the retina, the part of the eye responsible for vision.

For your dog: If your dog is from a breed known to carry ABCA4 variants, it's worth discussing eye health with your vet, especially as they age.

Factor VII Deficiency
Autosomal recessive
low <0.1%
n = 12,881 dogs · 1 variant tested · OMIA:000361-9615 · omia.org →
F7what this gene does

The F7 gene helps produce a protein important for blood clotting, which stops bleeding when dogs get injured.

For your dog: If your dog is from a breed known to carry F7 variants, it's worth mentioning to your vet before any surgery or if you notice unusual bleeding.

Cone-Rod Dystrophy (cord1-PRA/crd4)
Autosomal recessive (Incomplete penetrance)
low <0.1%
n = 12,853 dogs · 1 variant tested · OMIA:001432-9615 · omia.org →
RPGRIP1what this gene does

RPGRIP1 is a gene involved in the function of photoreceptor cells in the eye, which help dogs see in different light conditions.

For your dog: If your dog belongs to a breed known to carry RPGRIP1 mutations, it’s worth discussing with your vet to understand the risks and monitor eye health.

Rod-Cone Dysplasia 1a (Discovered in the Sloughi; rcd1a)
Autosomal recessive
low <0.1%
n = 12,875 dogs · 1 variant tested · OMIA:001669-9615 · omia.org →
PDE6Bwhat this gene does

PDE6B is a gene that helps control how the eye processes light signals, crucial for normal vision.

For your dog: If your dog is from a breed known to carry PDE6B mutations, it's worth discussing vision health with your vet, especially if you notice any changes in sight.

Plus 13 more at lower frequency. Full table available via the API when shipped.
Source: Donner J et al. 2023. Genetic prevalence and clinical relevance of canine Mendelian disease variants in over one million dogs. PLOS Genetics 19(2):e1010651 · Evidence: Limited (DTC ascertainment, tag-SNP proxy) · Confounding MEDIUM · License CC-BY-4.0 · Phene IDs from OMIA (Sydney School of Veterinary Science, The University of Sydney; DOI 10.25910/2AMR-PV70).
Sample size in this breed: 12,881 dogs from the Donner 2023 cohort.

Which Mendelian variants matter most for Golden Retrievers?

The Mendelian-disease table above lists 195 variants screened in 12,881 Goldens (Donner 2023). Five matter most by carrier frequency, and the first two matter most by impact.

Ichthyosis (PNPLA1)

Ichthyosis in Goldens is a recessive skin condition caused by a deletion in PNPLA1. Affected dogs have flaky, scaly skin that gets worse with age. It is cosmetic and manageable, not life-threatening. About 27.5% of Goldens in the Donner cohort carry the variant (n=12,881). More than one in four. It is the most common Mendelian variant in the breed and the single most consequential number on this page.

Testing is widely available. The PennGen Laboratory and most commercial DNA labs cover PNPLA1. The Golden Retriever Club of America’s health committee recommends testing breeding stock to avoid carrier-by-carrier pairings. For pet dogs the test is informative but not clinically required.

Cystinuria Type I-B (SLC7A9 p.A217T)

Cystinuria Type I-B in Goldens is the autosomal-recessive-with-incomplete-penetrance form of cystinuria. The SLC7A9 variant causes excess urinary cystine excretion and predisposes to bladder stones. 23.7% of Goldens in the Donner cohort carry the variant.

Not every dog with two copies forms stones, which is why the inheritance is described with incomplete penetrance. Testing is available. Affected dogs are managed with diet (low-protein, alkalinizing) and monitoring. Owners of carrier dogs should mention the result to their vet at routine visits even if their dog never shows symptoms.

Retinal atrophy variants (TTC8, PRCD, SLC4A3)

Three progressive retinal atrophy variants run at observable frequency in Goldens. The TTC8-related form is at 2.8% carrier frequency, PRCD (progressive rod-cone degeneration) at 2.7%, and the SLC4A3-related form at 1.6%. All three are recessive: a dog needs two copies to be affected, and affected dogs are well below 1% of the breed.

Affected dogs lose night vision first, then day vision, typically beginning in middle age. The OFA Companion Animal Eye Registry maintains the screening protocol. The GRCA recommends annual eye exams for breeding stock.

How should I test my Golden Retriever?

A breed-specific panel from a CLIA-accredited lab is the high-yield path. The minimum useful set for Goldens is PNPLA1 (ichthyosis), SLC7A9 (cystinuria), PRCD, TTC8 (GR-PRA2), SLC4A3 (GR-PRA1), and MDR1. Most commercial panels also include ten to fifteen additional Golden-relevant variants in a single draw. For breeding stock the GRCA’s recommended panel is the current standard. For pet dogs the same panel is informative but not clinically required.

What we don’t know

Cancer is the breed’s defining health problem. Roughly 60% of Goldens die of cancer (Morris Animal Foundation GRLS), one of the highest rates of any breed. Hemangiosarcoma and lymphoma together account for more than half of GRLS cancer diagnoses. The Golden Retriever Lifetime Study has spent fourteen years looking for environmental, dietary, and genetic predictors. The honest summary is that the published analyses have come back mostly null. We do not yet have proven dietary prevention strategies for cancer in this breed. The data the GRLS cohort is producing will sharpen that picture in the next few years.

Frequently asked questions about Golden Retrievers

Are Golden Retrievers more likely to get cancer than other breeds? Yes. Roughly 60% of Goldens die of cancer (Morris Animal Foundation), one of the highest rates of any breed. The four dominant cancers are hemangiosarcoma, lymphoma, osteosarcoma, and mast cell tumors. The published environmental and dietary analyses from the GRLS cohort have come back mostly null so far, which means proven prevention strategies are not yet available.

What is the most common genetic disease in Golden Retrievers? Ichthyosis, caused by a variant in PNPLA1. 27.5% of Goldens carry one copy and roughly 7.6% are affected (Donner 2023, n=12,881). It is a cosmetic skin condition, not life-threatening, and is the most common Mendelian variant in the breed.

Should I do a DNA test on my Golden Retriever? For breeding stock, yes. The GRCA recommends a panel covering ichthyosis, cystinuria, the three retinal atrophy variants, and MDR1 at minimum. For pet dogs, testing is informative but not clinically required. The highest-yield single tests are PNPLA1 (ichthyosis) and SLC7A9 (cystinuria).

How long do Golden Retrievers live? The breed-club estimate is 10 to 12 years (Morris Animal Foundation). The atlas-derived figure from the GRLS cohort is 13.15 years, but that median will shift downward as the cohort completes its lifespan. Both numbers belong on this page. The breed-club figure is closer to what an owner should expect today.

Are field-line and show-line Goldens genetically different? The Sniff atlas substrate currently classifies Goldens as a single genetic cluster with an intra-breed RMS distance of 35.8. Show-line and field-line Goldens may differ at finer resolution than the substrate currently captures. Higher-resolution data arriving later this year will resolve this question one way or the other.

What is the GRLS and why does it matter for Golden Retrievers? The Golden Retriever Lifetime Study is a fourteen-year longitudinal study of 3,044 Goldens run by the Morris Animal Foundation. It is the most detailed map of canine health ever assembled in any breed. Sniff is not affiliated with the Morris Animal Foundation. The cohort’s data is what makes the lifespan median, the cancer rate, and the Distinguished Oldies count on this page possible.

A gift to human medicine

Golden Retrievers are a natural model for human disease

Because the same genes cause the same conditions across species, the inherited conditions documented in Golden Retrievers help researchers understand, and work toward treating, the human diseases they model. This is the dog advancing human medicine. The breed models the human disease; it does not have it, and this is not a prediction for your dog.

Human equivalents via OMIA → Mondo / OMIM. Model-of, not identity.
Documented in OMIA

Every condition recorded in the Golden Retriever

Beyond the testable carriers above, OMIA's literature catalogue records 43 genetic conditions in the Golden Retriever, 37 of which have a known human equivalent. This is the documented landscape across all Golden Retrievers ever studied, not a prediction for any one dog.

Plus 25 more conditions recorded in the Golden Retriever in OMIA.

Online Mendelian Inheritance in Animals (OMIA); Nicholas, Tammen & Sydney Informatics Hub, DOI 10.25910/2AMR-PV70
Documented in the breed's literature is not carrier status and not a forecast for an individual dog. Human equivalents are mapped via Mondo/OMIM. Carrier frequencies (above) are the separately-measured testable subset (Donner 2023).
The oldest of them

What protected the golden retrievers who outran the odds.

Goldens in the GRLS cohort who reached age 12 or older without a malignant cancer diagnosis. In a breed where roughly 60% die of cancer and breed-club median lifespan is 10 to 12 years, reaching 12 without cancer is extraordinary. They carry the Distinguished Oldies badge in the atlas. Understanding what protected them is the most valuable single question the Golden Retriever literature can answer.

196 Distinguished Oldies in the atlas Browse the Heroes →
The data behind this page

Where every number on this page came from.

This page draws on three primary data sources. Carrier frequencies for the Mendelian section come from Donner et al. 2023 (CC-BY-4.0). We grade these data at evidence Limited because the cohort is a direct-to-consumer ascertainment, which biases toward owners who chose to test their dogs. The panel also uses tag-SNP proxies for some variants rather than direct causal-variant assays. Limited is a study-design grade, not a quality grade: the Donner cohort is the largest open canine-genotype dataset in existence and we are grateful for it. We rate the confounding MEDIUM.

Population-genetic dimensions (heterozygosity, intra-breed PCA distance, nearest neighbors, trait-locus frequencies) come from CanVAS (Brundage 2026), harmonized through the Sniff Atlas. The exact release date and verification commit are pinned at the bottom of the page so a researcher can trace a number back to a specific snapshot. The disease-gene-variant graph comes from OMIA (Online Mendelian Inheritance in Animals; Nicholas, Tammen, and the Sydney Informatics Hub at the Sydney School of Veterinary Science, The University of Sydney; retrieved April 2026, DOI 10.25910/2AMR-PV70).

Longitudinal data on the 196 Distinguished Oldies above comes from the Golden Retriever Lifetime Study (Guy and Page 2022, doi:10.1371/journal.pone.0269425). Sniff is not affiliated with the Morris Animal Foundation. We are grateful for their work and for every family and every dog that made this study real.

What this page does not yet have. Inheritance modes and per-disease penetrance evidence from Donner 2023 are now in the structured data for every variant the panel covers. Mondo, OMIM, Ensembl, and HGNC cross-references on gene pages remain pending, they arrive in December 2026 alongside the imputed 9.67M-variant CanVAS dataset via the OMIA SQL dump absorption. Until then, gene IDs carry NCBI Gene and OMIA phene URLs only; the wider human-homolog and disease-ontology cross-reference set fills in with that release.

How to cite this page. The computed dimensions on this page are derived from the open Sniff Atlas v1.0.1 (Gehring 2026, doi:10.5281/zenodo.20566358, CC-BY 4.0). Full citation formats including BibTeX, RIS, and CITATION.cff at sniff.world/cite.

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Field-line Goldens are underrepresented relative to show lines. Goldens older than 12 without a cancer diagnosis are scientifically among the most valuable dogs in the breed and we always need more of them. European imports are underrepresented relative to North American lines. If your golden retriever fits any of these gaps, adding them does measurable scientific work.

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References
  1. Donner J, Freyer J, Davison S, Anderson H, Blades M, Honkanen L, et al. (2023). Genetic prevalence and clinical relevance of canine Mendelian disease variants in over one million dogs. PLOS Genetics 19(2):e1010651. doi:10.1371/journal.pgen.1010651
  2. Brundage J, et al. (2026). CanVAS: a harmonized canine variant atlas. bioRxiv. doi:10.64898/2026.04.13.718238
  3. Nicholas, F.W., Tammen, I., & Sydney Informatics Hub. (2026). Online Mendelian Inheritance in Animals (OMIA) [dataset]. The University of Sydney. https://omia.org. doi:10.25910/2AMR-PV70 (retrieved April 2026).
  4. Guy MK, Page RL, et al. (2022). The Golden Retriever Lifetime Study: establishing an observational cohort study. PLOS ONE 17(6):e0269425. doi:10.1371/journal.pone.0269425
  5. Adin D, DeFrancesco TC, Keene B, et al. (2019). Echocardiographic phenotype of canine dilated cardiomyopathy differs based on diet type. J Vet Intern Med 33(2):541-550. doi:10.1111/jvim.15402
  6. US Food and Drug Administration (2022). Questions & Answers: FDA's work on potential causes of non-hereditary DCM in dogs. https://www.fda.gov/animal-veterinary/animal-health-literacy/questions-answers-fdas-work-potential-causes-non-hereditary-dcm-dogs
  7. Orthopedic Foundation for Animals (OFA). Golden Retriever hip dysplasia statistics. https://www.ofa.org/diseases/hip-dysplasia/
  8. Tindle AN, Page RL, et al. (2024). Environmental exposures and cancer risk in the Golden Retriever Lifetime Study cohort. https://www.morrisanimalfoundation.org/golden-retriever-lifetime-study
Last updated
Sources: CanVAS (Brundage 2026) · Donner 2023 · OMIA · GRLS (Guy and Page 2022)