Treatment (% PB) | P-value* | |||||
---|---|---|---|---|---|---|
Item | 0 | 15 | 30 | SEM | Linear | Quadratic |
No. of animals | 6 | 6 | 6 | |||
N intake, g/d | 24.3 | 26.1 | 26.5 | 2.14 | 0.48 | 0.80 |
Fecal N, g/d | 6.2 | 6.6 | 7.4 | 0.67 | 0.21 | 0.84 |
Urinary N, g/d | 6.6 | 6.4 | 9.1 | 0.87 | 0.06 | 0.18 |
N-balance, g/d | 11.5 | 13.1 | 10.0 | 1.01 | 0.33 | 0.01 |
N-balance, % N intake | 47.0 | 50.0 | 37.0 | 3.92 | 0.28 | 0.05 |