VDR and Bartsocas-Papas syndrome 1: The same experimental group between different days: in the CHF-M group and BPs group at 30-day-old, the leg cartilage tissue VDR mRNA relative expression was higher than at 60-day-old, and the BPs-H group 30-day-old was significantly higher than at 60-day-old (p < 0.05).