While these disorders are not necessarily common in Pyrenean Shepherds, they have occurred in the breed.
RESEARCH & ARTICLES
What is Legg Calves Perthes Disease? Legg-Calve-Perthes Disease (LCP) is a disorder of hip joint conformation occurring in both humans and dogs. In dogs, it is most often seen in the miniature and toy breeds between the ages of 4 months to a year.
The Genetic Background of Lumbosacral Transitional Vertebrae in Dogs (Hannes T. Lohi, PhD; The Folkhälsan Institute of Genetics)