Table 4.
Apparent ileal digestibility of nitrogen and energy, nutrient balance and apparent metabolizable energy corrected to zero nitrogen retention of broiler chickens in Exp. 1
| Items1 | Level of worm leachate (%) | SEM | |||
|---|---|---|---|---|---|
|
| |||||
| 0 | 10 | 20 | 30 | ||
| Apparent ileal digestibility (%) | |||||
| Nitrogen | 83.19 | 83.43 | 83.41 | 83.99 | 0.593 |
| Energy1 | 74.89 | 75.46 | 77.31 | 76.61 | 1.042 |
| Dry matter | |||||
| Intake (g/d) | 162.00 | 162.00 | 162.00 | 162.00 | - |
| Excretion (g/d)1 | 38.75 | 36.43 | 36.53 | 34.88 | 1.197 |
| Retention (%)1 | 76.08 | 77.51 | 77.45 | 78.47 | 0.727 |
| Ashes | |||||
| Intake (g/d) | 7.14 | 7.14 | 7.14 | 7.14 | - |
| Excretion (g/d) | 5.88 | 5.55 | 5.55 | 5.42 | 0.166 |
| Retention (%)1 | 18.91 | 22.29 | 22.28 | 26.34 | 1.985 |
| Nitrogen | |||||
| Intake (g/d) | 4.63 | 4.63 | 4.63 | 4.63 | - |
| Excretion (g/d) | 1.79 | 1.73 | 1.77 | 1.68 | 0.060 |
| Retention (%)1 | 61.25 | 63.57 | 63.47 | 65.12 | 1.178 |
| AMEn (kcal/kg) | 3,007 | 3,047 | 3,046 | 3,086 | 25.94 |
SEM, standard error of the mean; AMEn, apparent metabolizable energy corrected to zero nitrogen retention.
1
Quadratic effect, p<0.05.