| Variable | February-March | April-May | June |
| Dry matter (DM), % | 34.3 | 34.1 | 34.6 |
| In DM%, Ash | 7.8 | 9.5 | 10.0 |
| Crude protein | 37.1 | 39.2 | 38.9 |
| Crude fat | 19.2 | 20.5 | 23.4 |
| Crude carbohydr. | 36.0 | 30.8 | 27.7 |
| ME (MJ/kg DM) | 17.2 | 17.4 | 18.0 |
| From ME, %: Protein | 34.4 | 36.0 | 34.5 |
| Fat | 40.0 | 42.2 | 46.6 |
| Carbohydr. | 25.7 | 21.8 | 18.9 |