Using scores taken from pelvic radiographs of 1,186 German Shepherd Dogs, heritability estimates of canine hip dysplasia (CHD) were obtained. As measured by either of 2 scores defined, CHD was found to be 22.0% heritable. In this colony, CHD was a moderately heritable condition. To make progress in selecting against CHD, use of the progeny test to identify superior replacement breeders was stressed.