Table 4. Collagen contents (g/100 mL) of horse leg bone extract from Jeju crossbred horses

Extractions	Age (mon)

	28	32	38
1^st	1.59 ± 0.057^bA	1.79 ± 0.097^aA	1.54 ± 0.101^bA
2^nd	1.16 ± 0.021^bC	1.59 ± 0.144^aB	1.48 ± 0.089^aA
3^rd	1.12 ± 0.027^bD	1.31 ± 0.197^aC	1.42 ± 0.097^aAB
4^th	1.20 ± 0.016^aB	1.15 ± 0.080^aCD	1.35 ± 0.039^aBC
5^th	0.77 ± 0.019^bE	1.21 ± 0.110^aCD	1.31 ± 0.072^aC
6^th	0.57 ± 0.007^bF	1.09 ± 0.103^aD	1.25 ± 0.059^aC