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 |
*SD, Standard deviation; ※CV, Coefficient of variation.