Predicting corn digestible and metabolizable energy content from its chemical composition in growing pigs

Table 1 Chemical and physical characteristic characteristics of 100 corn samples

Item	Mean	SD^*	CV^※	Minimum	Maximum
Chemical composition, % of DM
Crude protein	9.69	0.50	5.16	7.78	11.03
Ash	1.36	0.14	10.07	0.99	1.79
Calcium	0.03	0.01	26.67	0.01	0.03
Phosphorus	0.25	0.03	11.20	0.18	0.32
NDF	11.13	0.93	8.35	9.56	17.36
ADF	2.29	0.23	10.04	1.86	2.95
Ether extract	3.65	0.54	14.79	2.04	4.81
Starch	72.77	3.32	4.56	53.46	79.80
Gross energy, kcal/kg of DM	4,447	44.96	1.01	4,357	4,537
Physical characteristic
Bulk weight, g/L	698.68	25.91	3.71	573.62	752.35
1,000 kernel weight, g	325.48	41.16	12.64	220.20	411.10

ISSN: 2049-1891