Excellent hips may
produce dysplastic and affected parents may produce sound offspring.
For example, while it is possible for any Golden with normal hips to
produce dysplastic offspring, a Golden Retriever with normal hips from a litter where the majority of its siblings have hip dysplasia may be at particularly high risk to
produce dysplastic offspring.
And breeding two dogs with less - than - perfect hips (e.g., mild with mild) can
produce some dysplastic dogs, but also still a majority (about 70 %) with acceptable hip scores.
Breeders should provide registration numbers from the Orthopedic Foundation for Animals to prove them free of the disease even though dogs with clear x-rays can
produce dysplastic offspring.
However, even two parents certified clear of hip dysplasia can
produce dysplastic offspring.
This is still somewhat controversial even among reputable breeders, because dogs with excellent hips can
produce dysplastic puppies, and dysplastic parents can produce puppies with excellent hips.
Not exact matches
Dr. Donald Patterson, chairman of Medical Genetics at University of PA School of Veterinary Medicine, states that some dogs with radiographically normal hips but a large number of hidden dysplasia -
producing genes, if mated together, will
produce at least some
dysplastic offspring.
Even more importantly, there is the greater number that were adjudged «normal» at two years but later developed DJD or, if not re-radiographed,
produced an unacceptably high percentage of
dysplastic descendants.
Through her Litter Mate X-ray program or LMX, she has answered the prayers of every brokenhearted German Shepherd Dog owner by
producing Shiloh Shepherds that are 97 %
dysplastic free.
The statistics published by the OFFA show that breeding two dogs with «Good» hips together would
produce 10 %
dysplastic offspring.
The sad truth is, that breeding two dogs with normal elbows still
produces 31 % puppies that would be considered
dysplastic by X-Ray.