Itema | Treatmentsb | SEM | P value | |
---|---|---|---|---|
Basal diet | AL | |||
DM intake, g/d | 1,512.4 | 1,512.4 | 0.029 | 0.524 |
Apparent digestibility, % | Â | Â | Â | Â |
 OM | 60.3 | 67.9 | 1.07 | <0.001 |
 N | 66.6 | 70.9 | 0.86 | 0.001 |
 NDF | 37.9 | 51.8 | 1.90 | <0.001 |
 ADF | 38.8 | 50.5 | 2.14 | 0.001 |
Fecal N, g/d | 10.7 | 9.34 | 0.39 | 0.001 |
Urinary N, g/d | 14.9 | 14.5 | 0.87 | 0.691 |
N retention, g/d | 6.54 | 8.30 | 0.95 | 0.071 |
N retention/N intake, % | 20.3 | 25.8 | 2.10 | 0.071 |