South African Veterinary Foundation Suid-Afrikaanse Veterinêre Stigting presents

South African Veterinary Foundation Suid-Afrikaanse Veterinêre Stigting presents Canine Hip Dysplasia

Mandate SA Veterinary Foundation To promote and advance veterinary and related biological sciences in all their aspects. This includes supporting veterinary research at all levels, to fund bursaries and loans for veterinary studies and to invest and administer various financial portfolios in order to promote the knowledge, image and status of the Veterinary and Paraveterinary Professions and practice within Southern Africa resulting in improved quality of life for animals and humans. Promoting an informed public

Hip dysplasia - what is this disease ? Abnormal development of hip – not present at birth! • Very common orthopaedic disease of dogs • Polygenic multifactorial in origin which is why it is difficult to eradicate hip dysplasia by selective breeding • Heritability 0. 2 to 0. 6 Promoting an informed public

Hip dysplasia - what is this disease ? Hip dysplasia results in • Increased hip laxity leading to subluxation (loose hips) • Later develops arthritis Promoting an informed public

Hip dysplasia Normal hips Promoting an informed public Dysplastic hips

Hip dysplasia Normal hips Promoting an informed public Severely dysplastic hips

Hip dysplasia - clinical signs • May be radiologically abnormal but show no clinical signs • Gait abnormalities • Weakness in the hind quarters • Arthritis may be crippling in old age Promoting an informed public

Hip dysplasia – diagnosis • Clinical examination by your vet • Radiographs (x-rays) – These have to be accurately positioned – Anaesthesia or heavy sedation is thus required. – Usually take extended and flexed hip views Promoting an informed public

Hip dysplasia Extended view Promoting an informed public Flexed view

Hip dysplasia – radiographs Look for • Subluxation changes – loose hips Promoting an informed public

Hip dysplasia Normal hip Promoting an informed public Loose hip

Hip dysplasia – radiographs Look for • Degenerative changes – arthritis Promoting an informed public

Hip dysplasia Normal hip Promoting an informed public Arthritic hip

Hip dysplasia – breeding Dogs should be certified free of hip dysplasia before breeding with them • Take dog to your vet • Take registration papers with Promoting an informed public

Hip dysplasia – breeding • Your dog needs to be positively identified with a microchip or tattoo number • You will have to sign a declaration form Promoting an informed public

Hip dysplasia – declaration form KUSA SAVA FCI South African Veterinary Association and Kennel Union of South Africa Hip and Elbow Dysplasia scheme Application for hip and/or elbow dysplasia certification Owners declaration Registered name of cat/dog Breed Sex Date of birth NB Copy of registration certificate to be attached to application Name of owner Tel Address I declare that: 1 the particulars stated above are correct and are of the dog submitted today for radiographic examination 2 the dog has not been previously radiographed for certification 3 the dog has not had surgery for hip or elbow dysplasia 4 I understand that the radiographs are the property of the veterinarian making them and will be retained by him for 3 years 5 I understand that the results may be forwarded to the relevant breed society who may place the gradings on a pedigree or registration certificate 6 I understand that results may be used anonymously for research purposes Owner’s signature Date Promoting an informed public

Hip dysplasia – breeding • The vet will send the radiographs (x -rays) to a veterinary radiologist • He/she will then issue a hip dysplasia certificate with the dog’s hip grading Promoting an informed public

Hip dysplasia – certificate KUSA SAVA FCI International Hip Dysplasia Certificate no. X 1561 NAME BREED SEX REGISTRATION NUMBER MICROCHIP NUMBER DATE OF BIRTH DATE OF RADIOGRAPHS OWNER : : : : BEAUTIFUL DOG OF PRETORIA RHODESIAN RIDGEBACK DOG BY 123456 978000001111 2006: 11: 25 2009: 08: 14 MR DOG BREEDER P O BOX 12345 TOWN 1234 CLASSIFICATION Left side Right side A 1 A 2 The above radiographs have been evaluated by the undersigned official scrutineer according to the guidelines of the Federation Cynologique Internationale Promoting an informed public

Hip dysplasia Grading according to FCI system FCI Grade Description Old RSA Grade A 1 Excellent hips 0 A 2 Good hips 0 B 1 Fair hips 0 B 2 Marginal dysplasia 1 C 1 Mild dysplasia 1 C 2 Mild to moderate dysplasia 1 D 1 Moderate dysplasia 2 D 2 Moderate to severe dysplasia 2 E 1 Severe dysplasia 3 E 2 Very severe dysplasia 4 Promoting an informed public

Hip dysplasia FCI grading D 2 A 2 Promoting an informed public

Hip dysplasia – treatment • Discuss with your vet • Mild cases get medical management • Severe cases require surgery which may be very expensive Promoting an informed public

Hip dysplasia - conclusion • Buy puppies from hip dysplasia free parents • Ensure you only breed with dogs free of hip dysplasia • Have radiographs (x-rays) taken before breeding Promoting an informed public

This presentation is proudly brought to you by the SAVF in order to promote an informed public Support us Give a donation or remember us in your will www. savf. org. za E-mail: savf@sava. co. za