Table 1.
Ingredients and chemical composition of the experimental diets.
| Item | Ammonium chloride | Urea |
|---|---|---|
| Ingredient, % DM | ||
| Corn silage | 20.00 | 20.00 |
| Peanut vine | 20.00 | 20.00 |
| Corn grain | 33.22 | 34.00 |
| Soybean meal | 6.50 | 6.50 |
| DDGS | 11.00 | 11.00 |
| Wheat bran | 5.00 | 5.00 |
| Urea | 0.00 | 1.00 |
| Ammonium chloride | 1.78 | 0.00 |
| Premixa | 2.50 | 2.50 |
| Nutrient composition, % DM | ||
| CP | 16.48 | 16.61 |
| NDF | 32.44 | 32.84 |
| ADF | 18.89 | 19.05 |
| EE | 4.07 | 4.13 |
| Ash | 7.78 | 7.80 |
| DE, MJ/kg | 13.43 | 13.54 |
| Ca | 0.89 | 0.89 |
| P | 0.48 | 0.44 |
| Mg | 0.36 | 0.38 |
| K | 1.12 | 1.14 |
| S | 0.14 | 0.16 |
| Na | 0.42 | 0.37 |
| Cl | 1.61 | 0.67 |
| DCADb, mEq/kg | −72.74 | 164.35 |
a
Formulated to provide (per kilogram of premix): 300 g of salt, 150 g of Ca, 30 g of P, 250,000 IU of vitamin A, 80,000 IU of vitamin D3, 2,400 IU of VE, 1,000 mg of Cu, 1,500 mg of Fe, 1,200 mg of Mn, 2,000 mg of Zn, 30 mg of I, 10 mg of Se, 12 mg of Co.
b
Dietary cation-anion difference calculated using the equation: [(mEq of Na++ mEq of K+) − (mEq of Cl− + mEq of S2−)].