A coat colour tells you what a dog looks like. A hip score tells you how the joint is built. When buyers choose a puppy, only one of those documents predicts orthopedic health, and it is not the photograph. In twenty-five years of operating on shepherds, I have never seen a colour prevent a dysplastic hip, and I have never seen a documented Excellent grade hurt anyone's decision.
This article is a reminder I give regularly in the clinic: health data comes first, appearance comes second, and confusing the two is how dysplastic puppies end up in loving homes that did not see it coming. The reasoning applies to every shepherd variety and, frankly, to every breed sold with a pretty picture attached.
How do you read a colour label in a puppy advertisement?
Treat it as a description, never as a credential. A colour name describes the coat and nothing more. The practical guide to Border Collie coat colours handles this separation well: it describes what a dog looks like as a starting point and deliberately keeps the coat description apart from health data. That is the correct discipline for any breed. Read the colour, note it, then look for the scores.
When an advertisement leads with "rare blue" or "exotic lilac", it is telling you the seller invested in appearance first. That is not automatically disqualifying, but it should move your attention immediately to the health section of the listing, where hip and elbow scores for both parents should appear with the registry, the method, and the date of evaluation.
If the advertisement offers a colour label but no documented parental scores, the absence is the information. A seller who screens has every reason to publish the numbers. A seller who does not screen has every reason to publish the colour.
Can coat colour predict hip or elbow scores?
No. Coat colour is controlled by a small set of pigment genes that have nothing to do with the developmental biology of the hip or elbow joint. Hip dysplasia is polygenic, meaning dozens of loci contribute to joint shape and laxity, and none of them sit on the pathways that determine whether a puppy comes out black, sable, merle, or tan-pointed. The two systems are genetically independent.
Where buyers get confused is correlation, not causation. A popular colour can spread quickly through a breed because it photographs well, and if the breeders producing it also neglect screening, the colour becomes statistically associated with bad hips without causing them. The colour is a marker of breeding priorities, not a mechanism. The mechanism lives in the pedigree and the radiograph, and only the radiograph is measured.
What a documented hip score actually tells you
A hip score is a structured measurement made by veterinarians against a published scale. In the United States, the Orthopedic Foundation for Animals evaluates a standardized extended-leg radiograph and assigns a grade from Excellent to Severe; the OFA hip dysplasia registry explains the submission and grading process in detail. PennHIP takes a different approach, quantifying joint laxity as a distraction index that can be measured from sixteen weeks of age. I break down how to read both systems in our guide to hip X-rays and OFA scores.
What makes a score valuable is that it is comparable. A colour exists only in that advertisement; an OFA Good means the same thing in every litter in every state, because three radiologists applied the same criteria to the same view. When you compare two puppies, you cannot weigh one photograph against another, but you can weigh two sets of parental scores directly.
Scores also accumulate meaning across a family. A single Good grade is encouraging; a sire, dam, and grandparents all carrying Good or Excellent is a documented pattern. That is the logic behind estimated breeding values, which I cover in breeding selection and genetic testing, and it is a logic no colour label can replicate.
Which shepherd breeds share the same colour genetics?
The pigment genes behind the common patterns are shared across virtually all dogs. The same loci that produce black-and-tan in a German Shepherd produce it in a Beauceron or a Rottweiler. Merle appears in Australian Shepherds, Border Collies, and Shetland Sheepdogs through the same PMEL mutation, which is also why merle-to-merle breedings carry a documented risk of deafness and eye defects wherever they occur. The genetics do not care which breed name is on the registration.
What differs between breeds is which colours the standard accepts and how the genes are distributed in the population. The Belgian Shepherd standard splits colour by variety, so Groenendael, Tervueren, Malinois, and Laekenois each carry a defined palette. The German Shepherd accepts black, black-and-tan, and sable, with white long treated as a disqualification and now shown as a separate White Swiss Shepherd. Our breed susceptibility guide compares these varieties on the health side, which is where the meaningful differences actually live.
Putting scores before looks in practice
The practical rule is simple. Screen the health data before you look at a single puppy photo, because the photo will bias you. Ask for both parents' hip and elbow scores with the registry reference, verify them where the registry allows it, and only then let yourself fall in love with a colour or a face. Buyers shopping for giant or large working breeds face the same conversation with different numbers; our guide to screening questions for giant breeds lays out what to ask before you commit.
I am not arguing that appearance is irrelevant. You will live with this dog for a decade, and liking how your dog looks is legitimate. I am arguing for sequence. A beautiful dog with documented sound hips is entirely compatible with responsible buying. A beautiful dog with no data is a gamble the seller is asking you to fund.
Owners often ask what documented evidence supports a conservative plan over time instead of surgery. The honest answer is that no single trial settles it. What the literature does show is that many dysplastic dogs managed with weight control, modified exercise, physical therapy, and appropriate pain medication keep acceptable function for years, and some never need an operation. Progression varies with joint laxity, secondary osteoarthritis, and the dog's daily demands, so the plan must be reassessed rather than fixed. For a structured approach to that long term care, see this guide to conservative management of hip dysplasia.
When a kennel advertises show titles, a hip score alone tells you little about the dog behind the paperwork. Ask for the registration certificate, the pedigree, and the official show or title records that match the dog's registered name. Request written hip and elbow evaluation results from a recognized scheme, not a verbal summary. Breed club membership and breeder verification matter too, and you can read how to confirm a dog's eligibility on a Canadian show calendar before you pay a deposit. If any document is withheld, treat that as information in itself.
For owners who want dated results rather than memory or reputation, the record trail is public. In US retriever field work, clubs publish result sheets after each event, listing the date, the stake, the dog, the handler and the placement, and those sheets are what titles are built from. A title is recorded only when the required passes are documented and submitted to the registry, so the paperwork, not the story, decides the letters after a name. If you want to see how that system is organised level by level, the retriever test result sheets guide on this site walks through it.
Start with the documents, not the dog. Ask each breeder for hip scores from a recognized scheme, then compare the breed's median and range rather than one impressive result. A single low score proves little; a litter's spread tells you more. Weigh the data against the work the dog was bred for, because a kelpie's joint profile differs from a retriever's. If you are considering herding lines, read these active breed profiles to see how energy demands shape a household. Compare like with like, and let the numbers narrow your shortlist before you visit.