| Breeds | SEM1 | P-value | |
Guirras | Manchegas | |||
N2 intake | 1.28 | 1.19 | 0.033 | 0.211 |
N feces | 0.30 | 0.35 | 0.031 | 0.429 |
N urine | 0.65 | 0.35 | 0.060 | 0.003 |
N retained | 0.33 | 0.49 | 0.050 | 0.109 |
RProtein3, g/d | 43 | 64 | 6.2 | 0.09 |
RFat4, g/d | 27 | 29 | 8.1 | 0.58 |
Gain, g/d | 199 | 285 | 23.3 | 0.12 |