Table 4. The effect of replacement of ordinary rice with red yeast rice on energy metabolism in goats (n = 20).
| CT | RYR | SED | P | |
|---|---|---|---|---|
| Energy intake and output (MJ/d) | ||||
| Gross energy intake (GE) | 18.2 | 18.3 | 0.12 | 0.763 |
| Fecal energy (FE) | 7.4 | 7.9 | 0.10 | 0.001 |
| Urine energy (UE) | 0.5 | 0.9 | 0.03 | 0.606 |
| CH4 energy | 1.3 | 1.2 | 0.02 | <0.001 |
| Heat production (HP) | 6.1 | 4.9 | 0.13 | <0.001 |
| Digestible energy (DE) intake | 10.8 | 10.4 | 0.13 | 0.007 |
| Metabolizable energy (ME) intake | 9.1 | 8.7 | 0.14 | 0.047 |
| Retained energy (RE) | 3.0 | 3.8 | 0.15 | <0.001 |
| Energy utilization (%) | ||||
| DE/GE | 59.5 | 57.0 | 0.52 | 0.001 |
| ME/GE | 49.7 | 47.9 | 0.63 | 0.018 |
| ME/DE | 83.6 | 84.0 | 0.44 | 0.310 |
| HP/ME | 67.4 | 56.4 | 1.46 | <0.001 |
| RE/ME | 32.7 | 43.6 | 1.46 | <0.001 |