The correlationship between the metabolizable energy content, chemical composition and color score in different sources of corn DDGS

Table 6 Prediction equations for ME of DDGS based on chemical composition and color score

n	Prediction equations of DDGS
	Variable¹	Prediction equation	R²
1	GE	AME = -4.69002 + 0.76890 GE	0.42
1	GE	TME = -3.33829 + 0.76890 GE	0.42
2	GE, ash	AME = 2.72386 + 0.55076 GE - 0.64175 ash	0.58
2	GE, ash	TME = 4.07558 + 0.55076 GE - 0.64175 ash	0.58
3	GE,NDF, ash	AME = 5.42832 + 0.56455GE - 0.05729 NDF - 0.66330 ash	0.63
3	GE,NDF, ash	TME = 6.78004 + 0.56455GE - 0.05729NDF - 0.66330 ash	0.63
4	GE,NDF, ADF, ash	AME = 3.86442 + 0.62133 GE - 0.08157 NDF + 0.08383 ADF - 0.57630 ash	0.67
4	GE,NDF, ADF, ash	TME = 5.21614 + 0.62133 GE - 0.08157 NDF + 0.08383 ADF - 0.57630 ash	0.67
5	GE,NDF, ADF, ash, fat	AME = 5.03286 + 0.54081 GE - 0.10615 NDF + 0.12914 ADF + 0.08000 fat - 0.52751 ash	0.69
5	GE,NDF, ADF, ash, fat	TME = 6.38458 + 0.54081 GE - 0.10615 NDF + 0.12914 ADF + 0.08000 fat - 0.52751 ash	0.69
6	GE,NDF, ADF, ash, fat, L	AME = 6.57111 + 0.51475 GE - 0.10003 NDF + 0.13380 ADF + 0.07057 fat - 0.57029 ash - 0.02437 L	0.70
6	GE,NDF, ADF, ash, fat, L	TME = 7.92283 + 0.51475 GE - 0.10003 NDF + 0.13380 ADF + 0.07057 fat - 0.57029 ash - 0.02437 L	0.70

¹GE gross energy, NDF Neutral detergent fiber, ADF acid detergent fiber, fat crude fat, L luminance.

ISSN: 2049-1891