OFA Hip Dysplasia Mating Probability Data

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+