Quick Answer: Hip dysplasia can affect up to 71% of dogs in the highest-risk large breeds, according to published veterinary orthopedic data, and it’s primarily genetic and developmental — meaning early signs can appear as young as 4 months old, long before most owners would think to look for a joint problem. The classic early signs are a “bunny hop” gait (both hind legs moving together), reluctance to jump or climb stairs, and stiffness after rest, all of which can be mistaken for normal puppy clumsiness. Catching it early, before secondary arthritis sets in, opens up far more management options than waiting for an adult dog to start limping.

Most owners picture hip dysplasia as an older-dog problem — a slow, achy limp that shows up in a dog’s senior years. In reality, the joint malformation itself is usually present from puppyhood; the pain just takes longer to arrive. That gap between “the joint is already loose” and “the dog is visibly limping” is exactly where early screening and early signs matter most.

Why it’s easy to miss in a young dog

Early signs checklist

SignWhat it looks likeWhy it gets missed
"Bunny hop" gaitBoth hind legs move together (like a rabbit) instead of alternating, especially at a runLooks like an energetic run, not a compensation pattern
Jump/stair reluctanceHesitating before the car, couch, or stairs; needing a run-up or being liftedRead as pickiness or a training issue in a young dog
Rising difficultySlow, stiff, or awkward getting up after lying downMistaken for sleepiness or laziness in a puppy
Hind-end looseness or swayingA visible side-to-side sway in the hips while walkingSubtle at a walk; usually only obvious on video in slow motion
Reduced activity or playShorter play sessions, less interest in running gamesChalked up to personality rather than physical discomfort
Muscle loss in the thighsThinner-feeling hind legs compared to the front endRequires actually feeling for it — rarely checked casually

Why a baseline matters more than a single vet visit

A single exam catches a limp on the day it happens. What it doesn’t catch is a gradual shift in how much a dog is willing to move week over week — the kind of pattern that’s obvious on a graph and nearly invisible day-to-day. This is the same blind spot behind missed early arthritis signs, and it’s worth watching from puppyhood in high-risk breeds rather than only after symptoms start.

Joint supplement for at-risk breeds

Glucosamine/chondroitin supplements for large-breed puppies and adults
  • Vets commonly recommend starting joint-support supplements early in large and giant breeds with known family history, rather than waiting for symptoms to appear.
  • Pairing a supplement with an activity tracker lets you see whether exercise tolerance is holding steady or slipping, instead of guessing from memory.
Check price on Amazon →

Joint supplements and activity trackers both typically ship within two days — try Amazon Prime free for 30 days to get a large-breed puppy’s baseline started before symptoms would normally prompt a vet visit.

If you’re raising a large-breed puppy, our best GPS tracker for large dogs roundup covers devices built for bigger, more active breeds, several of which also log daily activity minutes worth comparing over time.

What actually helps

The bottom line

Hip dysplasia is largely a genetics-and-growth story, not an old-age story — which means the highest-value window for catching it is puppyhood in large and giant breeds, not a dog’s senior years. The signs are easy to dismiss individually (a hop here, a hesitation there), but together — especially in a breed with a 20%+ published dysplasia rate like German Shepherds or Golden Retrievers — they’re worth a vet conversation well before a visible limp shows up. Left unaddressed, hip dysplasia is also one of the most common paths into the same early arthritis most owners miss, so the two guides are worth reading together if your dog is at a high-risk age or breed. Supportive gear like an orthopedic bed and ramp helps regardless of whether a diagnosis is confirmed, and an activity tracker gives you an objective baseline to compare against as a puppy grows into adulthood.