Fig. 1From: Elevated urinary excretion of free pyridinoline in Friesian horses suggests a breed-specific increase in collagen degradationFriesian horses have a significantly higher mean urinary fPYD/creatinine concentration (28.5 ± 5.2 nmol/mmol) (, n = 17) in the urine compared to Warmblood horses (22.2 ± 9.6, n = 17) (p = 0.02)Back to article page