A dog may have parents, grandparents, siblings, and other relatives that all have hips rated Excellent and still end up with hip dysplasia. (pawster.com)
Dogs under 24 months, can submit x-rays and will be given a preliminary hip rating. (cspca.com)
The old UK system is included since many ASD owners have dogs whose hip ratings trace back to the old rating scheme. (anatoliandog.org)