Table 3.
Effect of betaine (Bet) supplementation on blood profiles of 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 |
| Total protein, g/dL | 3.0 | 3.1 | 3.4 | 3.7 | 0.1 | 3.1 | 3.6 | 3.2 | 3.4 | <.0001 | 0.0050 | 0.1163 |
| Albumin, g/dL | 1.2b | 1.4a | 1.4a | 1.4a | 0.1 | 1.3 | 1.4 | 1.3 | 1.4 | 0.1159 | 0.0126 | 0.0408 |
| BUN3, mg/dL | 2 | 3 | 2 | 3 | 0.2 | 3.0 | 3.0 | 2.0 | 3.0 | 1.0000 | 0.0889 | 0.2515 |
| Creatinine, mg/dL | 0.15 | 0.16 | 0.15 | 0.15 | 0.01 | 0.16 | 0.15 | 0.15 | 0.16 | 0.6158 | 0.4526 | 0.6158 |
| Uric acid, mg/dL | 2.9 | 3.2 | 3.2 | 3.4 | 0.3 | 3.1 | 3.3 | 3.1 | 3.3 | 0.4920 | 0.5699 | 0.9046 |
| SOD4,U/mg protein | 171.7 | 178.1 | 171.2 | 183.3 | 2.0 | 174.9 | 177.3 | 171.5 | 180.7 | 0.9343 | 0.4011 | 0.8690 |
| GPx5,U/mg protein | 199.4 | 211.5 | 200.8 | 219.7 | 2.5 | 205.5 | 210.3 | 200.1 | 215.6 | 0.4265 | 0.0364 | 0.8167 |
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.
3
Blood urea nitrogen.
4
Superoxide dismutase.
5
Glutathione peroxidase.