Table 1. Ingredients and nutrition composition of the experimental diet.
| Items (%, DM) (unless otherwise noted) | Total |
|---|---|
| Ingredients | |
| Tall fescue | 24.7 |
| Oat straw | 19.8 |
| Timothy | 22.9 |
| Corn silage | 23.4 |
| Dry ground corn | 8.8 |
| Vitamin premix1) | 0.1 |
| Mineral premix2) | 0.1 |
| Salt | 0.1 |
| Calcium carbonate | 0.1 |
| Nutrient composition | |
| DM (%) | 65.9 |
| CP | 16.1 |
| EE | 6.5 |
| NDF | 43.09 |
| ADF | 28.54 |
Vitamin premix contained the following amount which was diluted in cellulose (g/kg premix): L-ascorbic acid, 121.2; DL-α-tocopherol acetate, 18.8; thiamin hydrochloride, 2.7; riboflavin, 9.1; pyridoxine hydrochloride, 1.8; niacin, 36.4; Ca-D-pantothenate, 12.7; myo-inositol, 181.8; D-biotin, 0.27; folic acid, 0.68; p-aminobenzoic acid, 18.2; menadione, 1.8; retinal acetate, 0.73; cholecalciferol, 0.003; cyanocobalamin, 0.003.
Mineral premix contained the following ingredients (g/kg premix): MgSO4 · 7H2O, 80.0; NaH2PO4 · 2H2O, 370.0; KCl, 130.0; ferric citrate, 40.0; ZnSO4 · 7H2O, 20.0; Ca-lactate, 356.5; CuCl, 0.2; AlCl3 · 6H2O, 0.15; KI, 0.15; Na2Se2O3, 0.01; MnSO4 · H2O, 2.0; CoCl2 · 6H2O, 1.0.
DM, dry matter; CP, crude protein; EE, ether extract; NDF, neutral detergent fiber; ADF, acid detergent fiber.