Hip Dysplasia



Hip dysplasia is a genetic trait that causes an abnormal formation of the hip socket that in its most severe form can cause crippling lameness and painful arthritis.  Some cases of hip dysplasia are mild and cause few symptoms however it can be so severe that young dogs require surgery in order to move without pain.


There are several different approaches to detect a dog's risk to develop degenerative joint diesease in his life and to pass on this gene to his offsprings.  


Learn more about different methods for hip disease evaulations. 

  • Evaluating a dog for hip dysplasia can be done through radiographs submitted to the OFA for a subjective evaluation. Watching a dog move, jump or run is NOT proof that they have structurally correct hip sockets.
  • Permanent hip evaluations and rating is done after the dog is 24 months of age. Preliminary x-rays of dogs under 24 months can be sent for evaluation to give breeders information about early selection but should not be considered the final result.
  • Breeders should be able to produce OFA certificate information and the dogs results should be searchable in the OFA online database.
  • Breeders in other countries can electronically send xrays to OFA for evaluation and inclusion in the OFA database.

PennHIP evaluations

The PennHIP method is a different way to assess, measure and interpret hip joint status. It consists of three separate radiographs: the distraction view, the compression view and the hip-extended view. Dogs must be under general anesthesia to perform the evaluation procedure.



PennHip does not retain a public database of results and does not have searchable data by breed available on its web site.

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