Table 6.
Intake and digestibility of feed nutrients by dietary groups of bulls.
| Parameters | Napier silage + C-mix | Napier silage + VWP-mix | SEM | P –Value |
|---|---|---|---|---|
| Initial LW (kg) | 66.22 | 67.17 | 1.72 | NS |
| Final LW (kg) | 78.35 | 73.58 | 3.00 | NS |
| Total LW gain (kg) | 12.13 | 6.42 | 2.65 | NS |
| Average daily gain (gd−1) | 357 | 189 | 77.87 | NS |
| DMI (kg d−1) | 2.46 | 1.93 | 0.09 | < 0.01 |
| FCE | 6.56 | 10.21 | 3.31 | NS |
| DMI from Napier silage (kg d−1) | 1.06 | 0.87 | 0.07 | < 0.05 |
| DMI from concentrate (kg d−1) | 1.40 | 1.06 | 0.04 | < 0.01 |
| DMI (% LW) | 3.43 | 2.76 | 0.11 | < 0.01 |
| DMI from concentrate (% LW) | 1.98 | 1.51 | 0.08 | < 0.01 |
| CP intake (g d−1) | 311 | 240 | 0.078 | < 0.01 |
| DM digestibility coefficient | 0.56 | 0.65 | 0.04 | NS |
| CP digestibility coefficient | 0.66 | 0.68 | 0.04 | NS |
C-mix, concentrate mixture with conventional ingredients; VWP-mix, concentrate mixture with VWP and conventional ingredients; VWP, vegetable wastes processed feed; SEM, standard error of mean; P > 0.05, not significant; LW, live weight; DMI, dry matter intake; FCE, feed conversion efficiency; CP, crude protein.