Table 1.
Composition and nutritional level of the experiment diets (air dry basis, concentrate:roughage = 40:60)
| Feedstuff | % | |
|---|---|---|
| Corn | 29.29 | |
| Soybean meal | 9.00 | |
| Cotton seed meal | 1.50 | |
| Alfalfa hay | 26.00 | |
| Tall oat grass | 33.00 | |
| Salt | 0.70 | |
| Additive premix1 | 0.51 | |
| Nutritional level | DM (%) | 90.27 |
| DE (digestible energy) (MJ·kg−1) | 10.32 | |
| CP (%) | 11.03 | |
| DE/CP (energy : protein ratio) (MJ·g−1) | 0.094 | |
| NDF (%) | 29.57 | |
| ADF (%) | 16.61 | |
| Ca (%) | 0.53 | |
| P (%) | 0.23 | |
1Additive premix includes: mineral elements (mg/kg): S, 200; Fe, 25; Zn, 40; Cu, 8; I, 0.3; Mn, 40; Se, 0.2; Co, 0.1; vitamins (IU/kg):vitamin A, 940; vitamin E, 20.