AUTHOR: www.retriever.it
The Retrievers are the breeds subject to hip dysplasia, in this type of disorder, multifactorial, head and neck of the femur with the acetabulum are, individually or together, more or less deformed. In more severe symptoms manifested by the lameness of the subject, more common in dogs with rapid skeletal growth. Many studies concern in considering, in the case of inheritance, a form polygenic (caused by multiple genes) to recessive pattern, and it is this characteristic that often although not manifested in the parents can occur in children. Today is seeking new methods of prevention through the study of the canine genome, but still not perfect you continue to use the "old" system and universally accepted radiographic examination of the joint hip joint to be able to identify the person sick.
All subjects used for breeding must have passed the examination which, although old, is an important test and a means to reduce the incidence of this disease.
A person with this disease can have symptoms varies. Usually manifests itself in an age between 4 / 5 and 10/12 months, with a more or less pronounced limp, hot or cold after a strenuous workout when movement begins. If you hit a limb alone, the gait of the animal will be lame and open, keeping the knee in the discharge period and the injured extremity. You will see the animal with a certain heaviness in the movement. There are also excellent surgical remedies that, in principle, almost completely resolved the problem by lead to the animals made a life and a normal physical activity without pain.
To receive the exemption from stamp of dysplasia on the Certificate of Origin (Pedigree), radiographic examination should be performed by an authorized veterinarian of the Association who are su tutto il territorio italiano. Costoro invieranno le lastre alla rispettiva Centrale di Lettura Ufficiale, presso Cremona (Dott. Aldo Vezzoni) per la FSA e presso Ferrara (Dott. Cesare Pareschi) per l'A.I.V.P.A. Deve essere eseguita a sviluppo osseo conseguito (oltre 1 anno di età) in anestesia generale per ottenere il massimo rilassamento muscolare con il corretto posizionamento (dorso-vertebrale) del soggetto.
Esistono diversi sistemi di lettura di queste lastre radiografiche i più comuni sono il sistema FCI (il più comune) e il sistema Willis o Anglosassone.
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