Table 1.
Ingredients and nutrient composition of the diets fed to steers during the experimental period.
| Items | Concentrates | Ryegrass Hay | |
|---|---|---|---|
| LCP | HCP | ||
| Ingredient (% DM) | |||
| Broken corn | 1.36 | 1.02 | |
| Wheat bran | 4.44 | 5.56 | |
| Soy bean hull | 7.08 | 2.12 | |
| Urea | 0.45 | 0.58 | |
| NaCl | 0.20 | 0.20 | |
| Molasses | 3.00 | 3.00 | |
| Baking soda | 1.07 | 0.94 | |
| Steam flaked corn | 22.00 | 22.00 | |
| Ammonium chloride | 0.15 | 0.15 | |
| Corn flour | 1.72 | 0.05 | |
| Extruded palm seed | 4.24 | 7.52 | |
| CMS | 1.50 | 1.50 | |
| Wheat flour | 20.02 | 20.00 | |
| DDGS | 10.00 | 13.00 | |
| Corn gluten feed | 20.00 | 19.92 | |
| Limestone | 2.34 | 2.00 | |
| Amaferm 1 | 0.01 | 0.01 | |
| Palm oil | 0.20 | 0.20 | |
| Mineral/Vitamin premix 2 | 0.23 | 0.23 | |
| Nutrient composition (% DM) | |||
| DM (%) | 89.0 | 89.0 | 90.0 |
| Ash | 6.6 | 6.4 | 4.4 |
| Crude Protein | 14.5 | 17.0 | 5.7 |
| Ether extract | 3.4 | 3.7 | 1.2 |
| NDF | 22.0 | 22.0 | 67.1 |
| ADF | 8.4 | 8.1 | 40.8 |
| TDN | 75.1 | 75.2 | - |
LCP, low crude protein; HCP, high crude protein; CMS, condensed molasses solubles; DDGS, distiller’s dried grain with solubles; NDF, neutral detergent fiber; ADF, acid detergent fiber; TDN, total digestible nutrients. 1 Fermentation extract of Aspergillus oryzae (Biozyme Enterprises Inc., St. Joseph, MO, USA). 2 Provided the following nutrients per kg additive (Grobic-DC, Bayer Health Care, Leverkusen, Germany): Vit. A, 2,650,000 IU; Vit. D, 3, 530,000 IU; Vit. E, 1050 IU; Niacin, 10,000 mg; Mn, 4400 mg; Zn, 4400 mg; Fe, 13,200 mg; Cu, 2200 mg; I, 440 mg; Co, 440 mg.