Table 5. Digestible energy (DE) conclusion formula of raw material in growing pig

	Regression coefficients						RSD	R2
	Constant	GE (MJ/kg)	Density (kg/m3)	CF (g/kg)	ADF (g/kg)	NDF (g/kg)
Barley	5.04	0.32	0.004				0.12	0.73
Wheat	−4.35	1.17		−0.052			0.13	0.94
Weather-damaged wheat	9.67		0.007				0.37	0.79
	−3.92	1.10		−0.024			0.09	0.99
	−1.24	0.95			−0.019		0.08	0.99
Wheat by-products	27.76		−0.016		−0.085		0.45	0.89
All samples	−2.93	1.07		−0.039			0.38	0.88
	−7.52	1.36				−0.012	0.36	0.89