Table 3
Chemical composition of roughages

Composition	Roughages
	Timothy hay	Alfalfa hay	Tall fescue straw	Ryegrass straw
	─────%, as-fed basis ────
Moisture	8.22 ± 0.071)	9.64 ± 0.18	9.76 ± 0.44	7.72 ± 0.04
Crude protein	7.87 ± 0.18	17.79 ± 0.16	7.06 ± 0.59	5.39 ± 0.16
Crude fat	1.89 ± 0.02	1.97 ± 0.02	0.77 ± 0.00	1.10 ± 0.05
Crude fiber	32.77 ± 0.28	27.71 ± 0.32	32.57 ± 1.63	32.34 ± 0.19
Crude ash	6.37 ± 0.12	9.20 ± 0.10	5.97 ± 0.76	5.82 ± 0.07
NFE2)	42.88 ± 0.74	33.69 ± 0.97	43.87 ± 2.54	47.63 ± 0.19
Ca	0.28 ± 0.00	1.48 ± 0.02	0.20 ± 0.01	0.36 ± 0.01
P	0.16 ± 0.00	0.22 ± 0.00	0.08 ± 0.01	0.13 ± 0.00
NDF3)	59.99 ± 0.30	37.70 ± 0.43	59.42 ± 1.93	60.88 ± 0.10
ADF4)	34.36 ± 0.23	30.71 ± 0.68	34.20 ± 1.78	34.45 ± 0.15
TDN5)	54.61	53.55	34.18	52.82