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OFA FCI Germany Netherlands Sweden Switzerland
No Signs of Hip Dysplasia Excellent

Good

(1)
A
(2)
(a) Normal Negatief geheel gaaf (1) (-) Utmarkt Frei
Negatief neit geheel gaaf (2) (-) U.A.
Near Normal Hip Joints Fair

Borderline

(1)
B
(2)
(a) Fast Normal Transitional Changes (TC) I I
Mild Hip Dysplasia Mild


(1)
C
(2)
(a) Leichte HD Licht positief (3)(LP/+ -)
Moderate Hip Dysplasia Moderate


(1)
D
(2)
Mittlere HD Positief (3.5) (P/+) II II
Severe Hip Dysplasia Severe


(1)
E
(2)
Schwere HD Positief (4) (P/++) III III
Positief optima forma (5) (P/+++) IV IV
*This table attempts to compare ratings...it's not a guarantee that an FCI 1A dog will x-ray OFA Excellent, etc...In other words, don't shoot the messenger!

How do I interpret the OFA Hip Registry numbers?

Here's an example:

CR3728G24M-T

CR

Breed Code (Curly Coated Retriever)

3728

Ascending numerical order of normal individuals assigned a breed registry number

G

Phenotypic evaluation

E = Excellent
G = Good
F = Fair

24

Age in months when evaluation was done

M

Sex of individual (Male)

T

Tattooed


Another example:

CR3742E25F

CR

Breed Code (Curly Retriever)

3742

Ascending numerical order of normal individuals assigned a breed registry number

E

Phenotypic evaluation

E = Excellent
G = Good
F = Fair

25

Age in months when evaluation was done

F

Sex of individual (Female)

T

Tattooed (none in this case)


Figure B
 OFA Radiographic Evaluation of Pelvic Phenotype With Respect to Canine Hip Dysplasia
(***Starred categories indicate those which DO receive OFA certification)
        EXCELLENT HIP JOINT CONFORMATION ***
       superior hip joint conformation as compared with 
        other individuals of the same breed and age.
        BORDERLINE HIP JOINT CONFORMATION 
        marginal hip joint conformation of indeterminate
        status with respect to hip dysplasia at this time.
       GOOD HIP JOINT CONFORMATION *** 
        well formed hip joint conformation as compared
        with other individuals of the same breed and age.
        MILD HIP DYSPLASIA
        radiographic evidence of minor dysplastic change
        of the hip joints.
        FAIR HIP JOINT CONFORMATION ***
        minor irregularities of hip joint conformation as
        compared with other individuals of the same
        breed and age.
        MODERATE HIP DYSPLASIA
        well defined radiographic evidence of dysplastic
        changes of the hip joints.
      SEVERE HIP DYSPLASIA
        radiographic evidence of marked dysplastic
        changes of the hip joints.



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