The hip displasia and recently the elbow displasia constitute the most actively controlled hereditary diseases through the
selection of the countries in which Cynology has reached a high professional level of breeding.
They are the non-traumatic orthopaedic diseases well-known by breeders of medium-sized, large and giant breeds.
Displasia is defined as the abnormal development of the joint.
It leads to osteoarthritis and arthrosis, which is characterized by deterioration of the joint cartilage, joint bone and joint capsule, involving several systemic and local factors of predisposition.
The risk factors are: the age (as it is a disease related to growth and development), the breed (medium-sized, large ad giant), the speed of growth and the excess of nutrients, and physical exercise.