Table 1. Ingredient and chemical composition of experimental diets.
| Item 1 | Glycerin, % | ||
|---|---|---|---|
| 0 | 15 | 30 | |
| Ingredient, % DM | |||
| Wheat straw | 25.0 | 25.0 | 25.0 |
| Dry ground corn | 53.3 | 37.9 | 22.4 |
| Glycerin 2 | 0.0 | 15.0 | 30.0 |
| Soybean meal | 18.7 | 18.7 | 18.7 |
| Urea | 0.00 | 0.44 | 0.89 |
| Mineralized salt 3 | 3.00 | 3.00 | 3.00 |
| Composition, % DM | |||
| DM, % | 88.9 | 90.0 | 91.1 |
| OM | 92.7 | 93.0 | 93.2 |
| NDF | 25.6 | 23.7 | 22.2 |
| CP | 14.5 | 14.5 | 14.5 |
| Ether extract | 3.43 | 2.67 | 1.91 |
1DM = dry matter; OM = organic matter; NDF = neutral detergent fiber; CP = crude protein.
2Purity of 99.7% (Nature’s Oil, Streetsboro, OH, USA)
3Provided (per kg of DM): 955 g of NaCl, 3,500 ppm of Zn, 2,000 ppm of Fe, 1,800 ppm of Mn, 280 ppm of Cu, 100 ppm of I, and 60 ppm of Co.