Table 2
Chemical compositions of the feeds fed to growing Hanwoo heifers

Item	Rice straw	BF-based silage1)	Alfalfa hay	Concentrate mix
	%, DM basis
Dry matter	85.0	58.3	83.3	87.9
Crude protein	3.6	12.0	14.7	16.4
Ether extract	1.1	3.9	1.2	2.5
Crude ash	8.3	11.5	9.9	8.3
Neutral detergent fiber	71.9	50.6	49.1	32.7
Acid detergent fiber	42.5	38.9	36.9	19.5
Non-fibrous carbohydrate	15.1	17.1	25.1	40.1