orthopedic foundation for animals (ofa)

Organization, established in 1966, that developed and maintains a registry of hip dysplasia in dogs. Dogs with OFA numbers are rated and certified free of canine hip dysplasia. This rating applies for the life of the dog.

SOURCE: akc.org

The OFA is a research and diagnostic service and registry for Hip Dysplasia, Elbow Dysplasia, Patellar Luxation, Craniomandibular osteopathy, and other genetic orthopedic diseases.

SOURCE: bellaonline.com