Hip score

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Hip scoring is a procedure used to determine the degree of hip dysplasia in dogs and other animals and reporting the findings in a standard way.

The hip score is the sum of the points awarded for each of nine radiographic tures of both hip joints.

The British Veterinary Association used the following criteria to determine hip score:

Norberg Angle
Subluxation
Cranial Acetabular Edge
Dorsal Acetabular Edge
Cranial Effective Acetabular Rim
Acetabular Fossa
Caudal Acetabular Edge
Femoral Head/Neck Exostosis
Femoral Head Recontouring

The lower the score the less the degree of dysplasia present. The minimum (best) score for each hip is zero and the maximum (worst) is 53, giving a range for the total of 0 to 106.

The following table compares the scores recognised by Orthopaedic Foundation for Animals (OFI), Fédération Cynologique Internationale (FCI), the British Veterinary Association (BVA) and Verein für Deutsche Schäferhunde (SV).

OFA (USA) FCI (European) BVA (UK/Australia) SV (Germany)
E A-1 0-4 (no > 3/hip) Normal
G A-2 5-10 (no > 6/hip) Normal
F B-1 11-18 Normal
B B-2 19-25 Fast Normal
M C 26-35 Noch Zugelassen
Mod D 36-50 Mittlere
S E 51-106 Schwere

OFA (USA)	FCI (European)	BVA (UK/Australia)	SV (Germany)
E	A-1	0-4 (no > 3/hip)	Normal
G	A-2	5-10 (no > 6/hip)	Normal
F	B-1	11-18	Normal
B	B-2	19-25	Fast Normal
M	C	26-35	Noch Zugelassen
Mod	D	36-50	Mittlere
S	E	51-106	Schwere

The average hip scores in 2005 for popular breeds from Australia are tabulated below:

Breed Average score
Airedale Terrier 13
Alaskan Malamute 11
Belgian Shepherd 9
Bernese Mountain Dog 11
Border Collie 9
Bull Mastiff 23
Cavalier King Charles Spaniel 15
Curly Coated Retriever 11
Doberman 9
German Shepherd Dog 13
Golden Retriever 16
Irish Setter 15
Japanese Akita 11
Labrador Retriever 12
Mastiff 11
Newfoundland 21
Old English Sheep Dog 17
Rhodesian Ridgeback 7
Rottweiler 10
Samoyed 19
Siberian Husky 6
St Bernard 18
Staffordshire Bull Terrier 12
Weimaraner 10

Breed	Average score
Airedale Terrier	13
Alaskan Malamute	11
Belgian Shepherd	9
Bernese Mountain Dog	11
Border Collie	9
Bull Mastiff	23
Cavalier King Charles Spaniel	15
Curly Coated Retriever	11
Doberman	9
German Shepherd Dog	13
Golden Retriever	16
Irish Setter	15
Japanese Akita	11
Labrador Retriever	12
Mastiff	11
Newfoundland	21
Old English Sheep Dog	17
Rhodesian Ridgeback	7
Rottweiler	10
Samoyed	19
Siberian Husky	6
St Bernard	18
Staffordshire Bull Terrier	12
Weimaraner	10

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