| OFA may look almost charitable but it is not. They are recipient of substantial money donations for research and operate under a financial budget. I don't question their good intentions, but the individual reading and analysis of x-rays. I personally know of wrongfully diagnosed readings due to bad positioning of the dog under the x-ray machine!... In fact, OFA certifications have been proven wrong quite often, whether a case where a good rating was given when later review proved it was actually bad, or viceversa. Something that OFA don't like to hear around, but facts are facts!
Scientific studies from the University of Pennsilvanya and Cornell, directly comparing the OFA method and the PennHIP method, have shown that although the two methods are related, in each case the PennHIP method has proved superior. It is important to emphasize that the PennHIP method incorporates the standard OFA X-ray, PLUS two other X-rays designed to focus on critical information regarding hip laxity. Therefore, the PennHIP method interpretation is made after a review of MORE DIAGNOSTIC FACTORS that the ONE available to OFA radiologists. The validity of that information analysis has surpassed the standards of OFA and scientific acceptance. The PennHIP method has a higher diagnostic standard, in my humble opinion.
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