Table 1. Chemical composition of the diet consisting of grass silage of early or late maturity at two nitrogen (N) fertilization levels (N45∶45 kg N/ha; N90∶90 kg N/ha), corn silage and compound feed.
| N45 | N90 | |||||
| Chemical composition1 | early | late | early | late | Corn silage | Compound feed2 |
| Dry matter (g/kg fresh) | 366 | 723 | 567 | 520 | – | – |
| Dry matter (kg/ha) | 1840 | 4734 | 2020 | 4860 | – | – |
| Organic matter | 879 | 912 | 907 | 903 | 961 | 933 |
| Crude protein | 197 | 137 | 249 | 168 | 77 | 262 |
| Starch | – | – | – | – | 403 | 218 |
| Neutral detergent fiber | 432 | 545 | 429 | 556 | 356 | 293 |
| Acid detergent fiber | 294 | 296 | 257 | 326 | 201 | 151 |
1
In g/kg dry matter unless specified otherwise (starch not determined for grass silage).
2
Ingredients (g/kg dry matter): wheat (80.0), sunflower seeds (140.0), soybean hulls (26.5), palm kernel expeller (90.0), soybeans (185.0), sugar beet pulp (75.0), potato starch (200.0), rumen-protected soybean meal (185.0; MervoBest, Pre-Mervo, Utrecht, The Netherlands), phosphoric acid limestone (7.5), salt (3.0), mineral premix (8.0).