Table 1. Ingredients, chemical composition, and nutrient sufficiency rate of the diets.
| Items | Dry period | Lactation period | |
|---|---|---|---|
| Ingredient, % of DM a) | |||
| Concentrate | 22.0 | 55.8 | |
| Timothy hay | 43.2 | 20.5 | |
| Alfalfa hay | 0 | 7.1 | |
| Oats hay | 10.3 | 4.9 | |
| Grass silage | 23.7 | 11.3 | |
| Dicalcium phosphate | 0.8 | 0.4 | |
| Chemical composition b), % of DM | |||
| TDN | 59.2 | 66.6 | |
| CP | 11.7 | 14 | |
| NDF | 53.2 | 36.4 | |
| ADF | 33.1 | 21.6 | |
| Starch | 8.9 | 23.1 | |
| Calcium | 0.6 | 0.6 | |
| Phosphorus | 0.4 | 0.4 | |
| Nutrient sufficiency rate c), % | |||
| DM | 102.4 | 106.9 | |
| TDN | 122.7 | 92.3 | |
| CP | 115.5 | 94.5 | |
a) DM: dry matter. b) TDN: total digestible nutrients, CP: crude protein, NDF: neutral detergent fiber, ADF: acid detergent fiber. c) Calculated to meet the requirement of cows outlined by the Japanese Feeding Standard for Dairy cattle (2006).