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OFA Hip Dysplasia Mating Probability Data |
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based on 152,589 dogs
| | Excellent Dam | Good Dam | Fair Dam | Dysplastic Dam | | Excellent Sire | T = 5835 N=5630 96.5% D = 205 3.9% | T = 17281 N=16291 94.3% D = 990 5.7% | T = 3146 N =2888 91.8% D = 258 8.2% | T = 595 N = 528 88.7% D = 67 11.3% | | Good Sire | T = 16315 N =15481 94.9% D = 834 5.1% | T= 69041 N=63346 91.8% D= 5695 8.2% | T = 15475 N = 13581 87.8% D =1894 12.2% | T = 2941 N =2394 81.4% D = 547 18.6% | | Fair Sire | T = 1931 N = 1782 92.3% D = 149 7.7% | T = 12008 N = 10566 88.0% D = 1442 12.0% | T = 3957 N = 3311 83.7% D = 646 16.3% | T = 935 N = 698 74.7% D = 237 25.3% | | Dysplastic Sire | T = 362 N = 308 85.1% D = 54 14.9% | T = 1826 N = 1525 83.5% D = 301 16.5% | T = 632 N = 456 72.2% D = 176 27.8% | T = 309 N = 197 63.8% D = 112 36.2% | T = Total number of dogs N = Normal hips D = Dysplastic hips Source – www.offa.org Corresponding HIP grading schemes in different countries: INTERNATIONAL HIP GRADING SCHEMES Source: Hereditary Conditions in Dogs, Prof Robert M Kirberger, Faculty of Veterinary Science, University of Pretoria, South Africa Adpated from FCI, BVA and OFA data The author does not accept responsibility for any inconsistencies which may be present in the below table. Author’s placement of scores in FCI classification – guideline only. | Classification | FCI
Classification | South Africa
KUSA | United States
of America OFA | United Kingdom,
Australia & New
Zealand
BVA (0-106) | Sweden
& Finland | | No signs of
hip dysplasia | A1 | 0 | Excellent | 0 | A | | A2 | Good | 0 – 6 | B | | Transitional
case | B1 | Fair | 6 – 12 | UA | | | B2 | 1 | Borderline | 12 – 18 | C | | Mild | 18 – 24 | | Mild
hip dysplasia | C1 | | 24 – 30 | | C2 | | Moderate
hip dysplasia | D1 | 2 | Moderate | 30 – 42 | D | | D2 | 42 – 54 | | Severe
hip dysplasia | E1 | 3 | Severe | 54 – 66 | E | | E2 | 4 | 66+ | |
