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Table 1 Overview of animals sampled with information regarding age of horses, gender, regular physical exercise, reason for surgery, time of sampling and measured results

From: Elevated urinary excretion of free pyridinoline in Friesian horses suggests a breed-specific increase in collagen degradation

Horse Age
yrs
Gender Exercise Surgery Time
hrs
fPYD/creatinine
nmol/mmol
fDPD/creatinine
nmol/mmol
PYD/
DPD
Horse Age
yrs
Gender Exercise Surgery Time
hrs
fPYD/creatinine
nmol/mmol
fDPD/creatinine
nmol/mmol
PYD/
DPD
Friesian 2 stallion   castration 10 34.8 4.4 8.0 warmbl 6 m stallion   tendon retraction 9 41.1 17.1 2.4
Friesian 3 mare yes   17 39.9 4.4 9.0 warmbl 7 m mare   cecocolic invagination 10 47.4 8.3 5.7
Friesian 4 mare yes   20 23.4 2.3 10.0 warmbl 3 stallion yes castration 9 19.0 4.7 4.0
Friesian 4 mare    17 31.5 2.3 13.7 warmbl 4 mare yes sarcoid 10 25.4 4.6 5.5
Friesian 5 mare    18 28.4 3.0 9.6 warmbl 4 mare yes Laryngeal hemiplegia 12 20.3 3.5 5.8
Friesian 8 mare yes   16 26.9 2.7 10.0 warmbl 6 gelding yes sarcoid 10 17.1 4.7 3.6
Friesian 8 mare yes   16 22.9 2.7 8.5 warmbl 6 stallion yes castration sarcoid 10 14.1 2.1 6.7
Friesian 9 mare yes   19 24.9 2.4 10.3 warmbl 7 gelding yes   13 18.1 2.4 7.4
Friesian 10 mare yes   11 32.2 3.4 9.4 warmbl 10 gelding yes cornea ulcer 11 16.0 2.4 6.7
Friesian 10 mare yes   16 32.2 3.2 9.9 warmbl 10 gelding yes   12 16.7 3.0 5.6
Friesian 10 mare yes   11 32.8 3.1 10.7 warmbl 12 mare   subepiglottis cyst 16 7.1 1.2 6.0
Friesian 11 mare yes   18 26.0 2.3 11.3 warmbl 12 gelding yes   12 26.8 2.9 9.1
Friesian 12 mare yes   11 27.9 2.6 10.9 warmbl 13 gelding yes   14 19.1 4.2 4.6
Friesian 13 mare yes   17 26.4 3.6 7.3 warmbl 17 gelding yes   13 24.0 2.9 8.4
Friesian 15 mare yes   17 22.5 2.5 8.9 warmbl 18 gelding yes   15 25.0 7.7 3.3
Friesian 16 mare    17 31.7 3.6 8.8 warmbl 20 mare   urinary bladder tumor 10 18.9 2.9 6.4
Friesian 19 gelding yes   17 19.6 2.8 6.9 warmbl 20 gelding yes   14 20.7 3.6 5.8
Median 10     17 27.9 2.8 9.6   10     12 19.1 3.5 5.8