Table 1.
Ingredient composition of the control diet
| Dry matter (DM), % as-fed basis | 61 |
| Ingredient, % DM basis | |
| Corn silage | 40 |
| Cracked corn | 30 |
| DDGS1 | 28.25 |
| Limestone | 1.4 |
| Salt | 0.31 |
| Rumensin2 | 0.0135 |
| Trace mineral premix3 | 0.025 |
| Analyzed composition4, % | |
| Crude protein | 15.3 |
| Neutral detergent fiber | 25.6 |
| Ether extract | 4.8 |
| Calculated composition | |
| α-Tocopherol5, IU/kg DM Net energy for gain6, Mcal/kg |
11.7 1.23 |
1Dried distillers grains with solubles; carrier for micro-ingredients and vitamin E (ROVIMIX E-50 Adsorbate, DSM Nutritional Products, Heerlen, The Netherlands) treatments.
2Provided 150 mg monensin per steer daily (Elanco Animal Health, Greenfield, IN).
3Provided per kg of diet DM: 10 mg of Cu, 30 mg of Zn, 20 mg of Mn, 0.5 mg of I, 0.1 mg of Se, and 0.1 mg of Co all from inorganic sources and 2,200 IU vitamin A (NASEM, 2016).
4Based on total mixed ration analysis from Dairyland, Inc., Arcadia, WI.
5Alpha-tocopherol content of corn and corn silage based on values reported by Hidiroglou et al. (1992); α-tocopherol content of DDGS based on values reported by Jung et al. (2013).
6Net energy for gain based on NASEM (2016) reported NEg values of feedstuffs.