Table 1.
Formulation and nutritional ingredients of standard diet.
| Diet Components | Formulation (%) | Nutritional Ingredients | Content (%) |
|---|---|---|---|
| Corn silage | 55.6 | Dry matter (DM, %) | 51.4 |
| Peanut hay | 13.9 | Dry matter intake (DMI, kg/d) | 18.5 |
| Corn | 15.6 | Net energy for lactation (NEL, MJ/d) | 29.7 |
| Wheat bran | 6.1 | Crude protein (CP, %) | 15.37 |
| Soybean meal | 4.6 | Acid detergent fiber (ADF, %) | 24.09 |
| Cotton seed meal | 2.4 | Neutral detergent fiber (NDF, %) | 37.42 |
| CaHPO4 | 0.6 | Calcium (Ca, %) | 0.91 |
| NaHCO3 | 0.3 | Phosphorus (P, %) | 0.48 |
| Premix | 0.9 | ||
| Total | 100.0 |
Note: Nutritional ingredients were based on the content of DM. The contents of CP, ADF, DNF, Ca and P were measured, while the content of NEL was calculated.