| RFI experimental period | |
---|---|---|
Variable | Silage | Concentrate |
Dry matter, g/kga | 315 ± 33.9 | 822 ± 0.7 |
Composition of DM, g/kg DM unless otherwise stated | ||
 pH | 3.9 ± 0.15 | NDb |
 In vitro DMD | 693 ± 47.3 | 726 ± 44.0 |
 In vitro DOMDc | 625 ± 37.1 | 676 ± 44.6 |
 OMDd | 677 ± 47.5 | 726 ± 46.9 |
 Ash | 75 ± 11.7 | 73 ± 1.6 |
 Crude protein | 121 ± 10.3 | 115 ± 11.6 |
 NDF | 532 ± 54.7 | 244 ± 31.4 |
 Starch | ND | 230 ± 56.3 |
ME, MJ/kg DMe | 10.41 ± 0.45 | 11.56 ± 0.36 |
Fermentation characteristicsf, g/kg | ||
 Lactic acid | 102 ± 49.8 | ND |
 Acetic acid | 33 ± 7.7 | ND |
 Propionic acid | 2.9 ± 0.66 | ND |
 Butyric acid | 4.5 ± 2.39 | ND |
 Ethanol | 13.4 ± 2.82 | ND |
 Ammonia N, g/kg total N | 76 ± 10.9 | ND |