Dog Health Information
Please see listed below a series of links that we feel to be important. Just click on the logo or heading to take you to the relevant website if further information is required. Please contact Gaynor now for any more information by telephoning or please click here to use our eForm.
The BVA/KC Elbow Dysplasia Scheme
The current BVA/KC scoring scheme for elbow dysplasia (ED) was launched in 1998. Dysplasia means abnormal development, and the degree of elbow dysplasia present is indicated by a grade assigned to each elbow on a scale of 0 to 3 (0 being the best and 3 being the most severe). Only the highest grade of the two elbows is taken as the elbow grade for that dog. The minimum age for elbow grading is one year, and each dog is only ever graded once under the scheme. Advice to breeders is wherever possible to use only those dogs with grades of 0 or 1 for breeding.
The BVA/KC/ISDS Eye Scheme
The BVA/KC/International Sheep Dog Society (ISDS) Eye Scheme offers breeders the possibility of eye testing to screen for inherited eye disease in certain breeds. By screening breeding stock for these diseases, breeders can use the information to eliminate or reduce the frequency of eye disease being passed on to puppies. Although any breed can be examined for eye disease, currently only the results of those breeds that appear on Schedule A of the Eye Scheme are sent to the Kennel Club for inclusion on computer records and printing in the Breed Records Supplement. In general, the best age for eye testing is before a dog has reached one year old and thereafter on an annual basis.
The BVA/KC Hip Dysplasia Scheme
The current BVA/KC scoring scheme for hip dysplasia (HD) has been in operation since 1984 and since then over 100,000 X-rays have been assessed. Dysplasia means abnormal development, and the degree of hip dysplasia present is indicated by a score assigned to each hip. The hip score is the sum of the points awarded for each of nine aspects of the X-rays of both hip joints. The minimum hip score is 0 and the maximum is 106 (53 for each hip). The lower the score the less the degree of hip dysplasia present. An average (or mean) score is calculated for all breeds scored under the scheme and advice for breeders is to use only breeding stock with scores well below the breed mean score. The minimum age for hip scoring is one year, and each dog is only ever scored once under the scheme.
Optigen Testing - information on GPRA eye testing. Optigen is the name of an company in America which have recently managed to find and isolate the gene that causes hereditary diseases in dogs, one of the most prominent being pracd-PRA. This means that even in pups, it is now 100% possible to tell if the pup is likely to suffer form pracd-PRA later on in life. The DNA test can be done either from a blood sample or mouth swap from the dog and you’ll receive the result within 2-6 weeks.
The test will give you one of these three results:
• Normal \ Clear The dog doesn’t have the gene and will never get pracd-PRA nor is it not possible for the dog to pass on pracd-PRA to any of it’s offspring.
• Carrier The dog carries one pracd-PRA gene and will never develop pracd-PRA but will be able to pass on the gene to its offspring.
• Affected The dog has pracd-PRA and is very likely to go blind. This also means that the dogs offspring will be either ‘carrier’ or ‘affected’. A dog needs to have the gene twice in order to be ‘affected’.
Labrador CNM - the French facility that has led the way in Labrador CNM research and testing. Centronuclear Myopathy (CNM) in Labrador Retrievers is an hereditary myopathy characterised by skeletal muscle problems such as muscle weakness and exercise intolerance. It is also known as hereditary myopathy of the Labrador Retriever (HMLR).
The mutation, or change to the structure of the gene, probably occurred spontaneously in a single dog but once in the population has been inherited from generation to generation like any other gene. The disorder shows an autosomal recessive mode of inheritance: two copies of the defective gene (one inherited from each parent) have to be present for a dog to be affected by the disease. Individuals with one copy of the defective gene and one copy of the normal gene - called carriers - show no symptoms but can pass the defective gene onto their offspring. When two apparently healthy carriers are crossed, 25% (on average) of the offspring will be affected by the disease, 25% will be clear and the remaining 50% will themselves be carriers.
Dog Health Test Search - online search facility provided by the Kennel Club enabling users to search by Kennel Club registered dog name for the health tests that have been performed for this animal.
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