Table 1. Composition of ingredients and nutrients in the experimental diet (65:35 silage to concentrate proportion).
| Item (g/kg of DM basis) | Roughage | Concentrate | Diet |
|---|---|---|---|
| Corn silage | 510,25 | ||
| Ground corn | 325.43 | 89.41 | |
| Soybean meal | 618.92 | 170.05 | |
| Limestone | 31.60 | 8.68 | |
| Sodium bicarbonate | 12.47 | 3.42 | |
| Magnesium oxide | 6.24 | 1.71 | |
| Mineral mix 1 | 5.34 | 2.09 | |
| Chemical composition 2 | |||
| DM | 295.22 | 859.33 | 492.66 |
| OM | 947.78 | 964.93 | 953.78 |
| CP | 622.75 | 300.42 | 509.93 |
| EE | 240.67 | 15.20 | 161.76 |
| NDFap | 425.96 | 127.31 | 321.43 |
| NFC | 435.48 | 521.98 | 465.76 |
1Composition: calcium, 40 g/kg; phosphorus, 25 g/kg; magnesium, 30 g/kg; sodium, 13 g/kg; potassium, 75 g/kg; sulphur, 10 g/kg; cobalt, 0.8 mg/kg; copper, 63 mg/kg; iodine, 2mg/kg; manganese 185 mg/kg; zinc, 222 mg/kg; selenium 2 mg/kg.
2DM = dry matter, OM = organic matter, CP = crude protein, EE = ether extract, NDF = neutral detergent fiber corrected to ashes and protein.