| Calcium supplementation level1 | ||||
| Item | 0.60 | 0.70 | 0.80 | 0.90 |
| Ingredient, % DM | ||||
| Sudangrass hay | 12.00 | 12.00 | 12.00 | 12.00 |
| Tallow | 2.50 | 2.50 | 2.50 | 2.50 |
| Molasses, cane | 4.00 | 4.00 | 4.00 | 4.00 |
| Distillers Grain | 20.00 | 20.00 | 20.00 | 20.00 |
| Steam flaked corn | 58.65 | 58.35 | 58.06 | 57.95 |
| Urea | 0.95 | 0.95 | 0.95 | 0.95 |
| Limestone | 1.17 | 1.47 | 1.76 | 2.06 |
| Dicalcium phosphate | 0.25 | 0.25 | 0.25 | 0.25 |
| Magnesium oxide | 0.06 | 0.06 | 0.06 | 0.06 |
| Rumensin 90 | 0.0165 | 0.0165 | 0.0165 | 0.0165 |
| Nutrient composition, DM basis (tabular values, NRC, 1996) | ||||
| DRY MATTER, % | 89.3 | 89.3 | 89.3 | 89.3 |
| NEm, Mcal/kg | 2.18 | 2.18 | 2.18 | 2.17 |
| NEg, Mcal/kg | 1.51 | 1.51 | 1.51 | 1.51 |
| Crude protein, % | 15.3 | 15.3 | 15.3 | 15.3 |
| Rumen DIP, % | 58.2 | 58.2 | 58.2 | 58.2 |
| Rumen UIP, % | 41.8 | 41.8 | 41.8 | 41.8 |
| Ether extract, % | 7.25 | 7.25 | 7.25 | 7.25 |
| Ash, % | 6.33 | 6.33 | 6.33 | 6.33 |
| Nonstructural CHO, % | 51.9 | 51.9 | 51.9 | 51.9 |
| NDF, % | 22.3 | 22.3 | 22.3 | 22.3 |
| Calcium, % | 0.60 | 0.70 | 0.80 | 0.90 |
| Phosphorus, % | 0.44 | 0.44 | 0.44 | 0.44 |
| Potassium, % | 0.83 | 0.83 | 0.83 | 0.83 |
| Magnesium, % | 0.26 | 0.26 | 0.26 | 0.26 |
| Sulfur, % | 0.19 | 0.19 | 0.19 | 0.19 |