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Health Testing Guide
Which tests are mandatory, how to spot responsible breeders — and what it costs when things go wrong.
For the Weimaraner (Long-haired) we've compiled 3 tests required by Weimaraner Klub e.V. and 7 additionally recommended tests, drawn from breed-club regulations, the University of PEI (CIDD), and OMIA — weighted by severity and heritability.
View verified breedersWhat this grade means
In the Weimaraner (long-haired), health risks mainly include hip dysplasia (HD), eye diseases such as cataracts, and severe conditions like degenerative myelopathy or dilated cardiomyopathy. For breeding approval, the Weimaraner Klub e.V. mandates X-rays for hip dysplasia (HD) with a cut-off value of HD A–B, as well as an ophthalmological eye examination for eye issues including cataracts. Responsible breeders additionally test for elbow dysplasia (ED) and use genetic tests for hypomyelination (HYM) or degenerative myelopathy, ensuring that carriers are only mated with clear partners. Before purchasing a puppy, ask to see the official certificates for HD and the eye examination, as well as ideally complementary findings for ED and hereditary diseases.
Every breed is susceptible to certain inherited conditions. Just like humans, dogs inherit predispositions from their parents. Responsible breeders screen their breeding dogs for these conditions and make informed mating decisions to reduce the risk passed on to puppies.
No — but it's the strongest tool we have. Diet, exercise, environment, and genetics all contribute to whether a dog develops a condition. When breeders use the right tests to identify risk in potential parents, the likelihood of many conditions appearing in the puppies drops significantly.
There's no one-size-fits-all here. For the Weimaraner (Long-haired), Weimaraner Klub e.V. requires 3 tests for breeding approval, plus 7 additional recommended tests. The specific tests and passing thresholds are detailed further below.
Keep in mind
Reliable screening tests still don't exist for many hereditary conditions, and tests for complex polygenic conditions don't always predict severity in the puppies. Even so, they're a powerful tool of responsible breeding.
There are two main types of health tests:
Screen the dog's DNA for known disease-causing mutations. Can be performed from puppyhood and give a binary result (clear / carrier / affected).
Clinical and imaging exams like X-ray, ultrasound, or ophthalmoscopy. They show how a predisposition actually manifests — usually only conclusive after 12–18 months.
We group breeding programs into three levels based on testing depth. Ask your breeder directly which level they meet.
A breeder at the Great level meets the Good level and performs 7 additional clinically recommended screenings that reduce risk in this breed.
In addition to Good:
Gastric dilatation-volvulus(GDV)
Andere
Gastric dilatation-volvulus, commonly known as bloat, is a severe condition affecting the stomach and digestive system. It occurs when the stomach fills with gas and twists on itself, trapping the gas and blocking blood flow to vital organs. This twisting can rapidly lead to tissue damage and cardiovascular shock if not treated immediately.
X-ray
Elbow Dysplasia(ED)
Bewegungsapparat
Elbow dysplasia is a developmental disorder of the musculoskeletal system where the three bones forming the elbow joint do not fit together properly. This misalignment causes abnormal friction and wear on the joint cartilage, eventually leading to painful, chronic joint inflammation and arthritis. It is a complex genetic condition influenced by multiple genes.
X-ray · Passing: ED 0
Dilated cardiomyopathy(DCM)
Herz
Dilated cardiomyopathy (DCM) is a severe disease of the heart muscle where the heart's chambers become stretched and enlarged. This stretching thins the heart walls, making it difficult for the heart to pump blood effectively to the rest of the body. Over time, this decreased pumping ability can lead to fluid buildup in the lungs or abdomen.
Ultrasound · Passing: normal
Degenerative Myelopathy(DM)
Nervensystem
Degenerative Myelopathy is a progressive disease of the spinal cord where the protective sheath around the nerves slowly breaks down. This deterioration disrupts the vital communication signals between the brain and the muscles of the hind limbs. Over time, this lack of signal transmission leads to a complete loss of muscle control in the back legs.
DNA test · Passing: clear or carrier
Hypomyelination(HYM)
Nervensystem
This is an inherited neurological disorder affecting the central nervous system, where the protective myelin sheath that insulates nerve fibers fails to develop properly. Without this adequate insulation, nerve signals cannot travel efficiently between the brain and the body. This disruption leads to impaired coordination and involuntary muscle movements.
Passing: clear or carrier
Myelodysplasia (spinal dysraphism)(SD)
Nervensystem
Myelodysplasia, also known as spinal dysraphism, is a congenital malformation of the spinal cord where the nervous tissue fails to develop and close properly during embryonic growth. This defect permanently disrupts the transmission of nerve signals from the brain to the hind legs. Because the spinal cord is part of the central nervous system, this malformation directly impacts the dog's coordination and movement.
X-ray
Hyperuricosuria(HUU)
Nieren
Hyperuricosuria is an inherited metabolic disorder affecting the renal system, specifically how the kidneys process uric acid. Due to a genetic mutation, excess uric acid is excreted into the urine rather than being broken down. This high concentration can cause the acid to crystallize, leading to the formation of painful bladder or kidney stones, also known as uroliths.
Body-fluid analysis · Passing: clear or carrier
Not health tests, but required for breeding: the club asks for these results too. They don't count toward the risks or the rating.
DNA-Identitätsnachweis
Required by Weimaraner Klub e.V.
Acceptable result: mind. 5 ml EDTA Blut abgegeben
These levels are a comparison framework, not an official certification. They help compare breeding programs at a glance.
A complete checklist with every core-standard and additionally recommended test, plus identity and rearing questions — take it with you.
Open the full checklistFor breeders
Machine-readable mating rules, minimum ages, scoring schemes, and what's required for HonestDog verification — as a printable guide.
Example rule — Cataract
Both parents must be clear or better.
We take mandatory tests from official breed regulations, build the recommended health standard from veterinary databases — and cross-check every uploaded certificate against the dog's profile using AI.
L1 = core standard: the club's required tests where its rules set them, otherwise the recommended health standard for the breed. L2 = additionally recommended or clinically indicated. L3 = lower prevalence. Every assignment carries a source and confidence rating.
VDH breeding regulations, CIDD (University of PEI), OMIA (University of Sydney), curated veterinary input.
Uploaded certificates are read by AI and checked for date, result, and consistency with the dog's profile — our team reviews anything inconclusive.
The Weimaraner (Long-haired) is not currently listed in our extreme-breeding overview. That does not mean it is free of hereditary disease: which ones are typical, and which tests the parents should have, is on this page.
Self-check
Answer 6 quick questions about your everyday life and see how well the Weimaraner (Long-haired) fits you — including an honest cost estimate per month, per year, and across the dog's lifetime.
See breeders who have already uploaded their health test results for verification.
View verified breeders