Table 4.
Effect of betaine (Bet) supplementation on nutrient digestibility in broilers.1
| Low CP |
High CP |
CP |
Bet |
P-value |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Items, % | Bet 0 | Bet 0.12% | Bet 0 | Bet 0.12% | SEM2 | Low | High | 0% | 0.12% | CP | Bet | CP × Bet |
| Dry matter | 72.08 | 72.75 | 72.64 | 73.53 | 0.46 | 72.42 | 73.09 | 72.36 | 73.14 | 0.1542 | 0.1020 | 0.8091 |
| Nitrogen | 66.34 | 67.31 | 67.22 | 68.11 | 0.34 | 66.83 | 67.67 | 66.78 | 67.71 | 0.0179 | 0.0097 | 0.9104 |
| Energy | 69.13 | 71.95 | 69.83 | 71.94 | 0.49 | 70.56 | 70.89 | 69.48 | 71.95 | 0.1964 | 0.0598 | 0.7573 |
1
Low crude protein (CP) diet, 21 and 18% CP, 0.45 and 0.34% methionine for starter and finisher periods; high CP diet, 23 and 20% CP, 0.50 and 0.38% methionine.
2
Standard error of means.