Table 2. Chemical composition of concentrate and roughage diets for experimental groups

Composition	Concentrate				Roughage	SEM
	Fattening		Finishing		Rice straw
	T11)	T2	T3	T4
Moisture	12.45	12.13	12.22	12.88	9.42	0.13
Crude protein	15.21	15.34	11.88	11.62	3.55	0.16
Crude fat	2.52	2.48	3.87	3.52	0.91	0.04
Crude fiber	9.75	9.81	10.59	10.14	32.01	0.07
Crude ash	4.36	4.12	3.51	3.30	9.12	0.08
NFE	55.71	56.12	57.93	58.54	55.01	0.30
Ca	0.45	0.43	0.32	0.37	0.18	0.07
P	0.30	0.31	0.30	0.30	0.16	0.01
TDN2)	70.00	72.00	74.00	76.00	37.57

Each group were set to 70% (T1) and 72% (T2) during fattening phase and 74% (T3) and 76% (T4) for the finishing phase, respectively.
Calculated.
NFE, nitrogen-free extract; TDN, total digestible nutrient.