Table 8.
Comparison of digestible energy contents in corn determined by using the in vivo method and prediction model (kcal/kg of DM)
| Test | Observed | Predicted | Difference |
|---|---|---|---|
| 1 |
4,084.05 |
3,996.40 |
87.64 |
| 2 |
4,108.22 |
4,040.57 |
67.65 |
| 3 |
4,140.16 |
4,101.24 |
38.92 |
| 4 |
4,023.51 |
4,019.85 |
3.66 |
| 5 |
4,113.16 |
4,047.87 |
65.29 |
| 6 |
3,950.07 |
4,050.91 |
−100.84 |
| 7 |
4,058.73 |
4,085.59 |
−26.85 |
| 8 |
4,054.97 |
4,062.27 |
−7.30 |
| 9 |
4,046.38 |
4,007.67 |
38.71 |
| 10 |
3,997.07 |
3,989.82 |
7.25 |
| 11 |
4,044.88 |
3,969.98 |
74.89 |
| 12 |
4,062.20 |
4,042.23 |
19.97 |
| 13 |
4,062.67 |
3,994.71 |
67.95 |
| 14 |
4,009.57 |
3,974.33 |
35.23 |
| 15 |
3,957.41 |
3,962.92 |
−5.51 |
| 16 |
4,036.46 |
4,036.31 |
0.15 |
| 17 |
3,983.54 |
3,970.58 |
12.96 |
| 18 |
4,011.42 |
3,993.93 |
17.49 |
| 19 |
3,932.03 |
3,951.91 |
−19.88 |
| 20 |
3,980.49 |
4,035.48 |
−54.99 |
| 21 |
4,065.07 |
4,054.47 |
61.22 |
| 22 |
4,024.33 |
4043.60 |
−19.28 |
| 23 |
4,025.92 |
4,020.54 |
5.38 |
| 24 |
4,020.02 |
4,024.04 |
−4.02 |
| 25 |
4,016.88 |
4,005.85 |
11.03 |
| 26 |
4,051.08 |
3,996.01 |
55.06 |
| 27 |
4,058.55 |
3,987.99 |
70.57 |
| 28 |
4,051.18 |
4,018.28 |
32.90 |
| 29 |
4,088.96 |
4,036.06 |
52.90 |
| 30 |
4,087.01 |
4,028.30 |
58.71 |
| 31 |
4,121.96 |
4,017.35 |
104.61 |
| 32 |
4,084.62 |
4,055.96 |
28.66 |
| 33 |
4,002.90 |
4,050.52 |
−47.62 |
| 34 |
3,979.24 |
4,014.76 |
−35.52 |
| 35 |
4,003.71 |
4,022.21 |
−18.50 |
| 36 |
4,066.90 |
4,022.56 |
44.34 |
| 37 |
3,934.52 |
4,003.62 |
−69.10 |
| 38 |
4,041.55 |
4,038.95 |
2.59 |
| 39 |
4,029.50 |
4,062.03 |
−32.54 |
| 40 |
3,991.01 |
4,031.85 |
−40.84 |
| SD* |
49.74 |
32.93 |
|
| RSD※* |
|
|
46.75 |
| P-value | 0.16 |
*SD, Standard deviation; ※RSD, residual standard deviation.