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Heupdysplasie bij honden

By L. de Boer


Canine Hip dysplasia (CHD) is a progressive disorder of the canine hip which consists of a genetic and environmental component. For this study the evaluations of the radiographic images of 23096 dogs originating from 38 different breeds, and officially evaluated since 2002, were collected. Based on these evaluations the prevalence of CHD in these breeds in The Netherlands has been determined and compared with [revalences as reported in international literature. The difference in prevalence of CHD in the period 1996-2002 and 2003-2009 has been determined for each breed. This difference appeared to be significantly reduced for 7 of the evaluated breeds, determined by using a Chi2-test. When comparing the breeding policy of these breeds to the breeding policy of breeds that didn’t show any improvement, it showed that in only two breeds positive HD (grade C) was accepted for breeding. In the other 5 breeds, breeding with HD positive dogs was not permitted. In the five most evaluated breeds the influence of gender on prevalence of CHD showed significance in 3 breeds. This may be a result of the uneven distribution of the gender or the difference in age at the time of evaluation between the genders. Less than 7% of all born animals are used in breeding. This creates a bottleneck which has to be kept in mind when creating breeding policies. Ways to lower the prevalence of CHD besides excluding animals with CHD from breeding, could be screening of the majority of the population, progeny research and import of disease-free breeding material

Topics: Diergeneeskunde, canine hip dysplasia, prevalence, screening
Year: 2009
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