Table 1.
The Ingredients of the diets and nutritional composition
| Ingredients, % of DM | High grain (HG)a | High grain with NaB (HG + NaB) a | Low grain (LG) a |
|---|---|---|---|
| Corn (g/100 g) | 23.07 | 23.07 | 29.2 |
| Bran (g/100 g) | 28.03 | 28.03 | 0 |
| Soybean meal (g/100 g) | 2 | 2 | 8.43 |
| Rape seed meal (g/100 g) | 3.7 | 3.7 | 0 |
| Stone powder (g/100 g) | 1.43 | 1.43 | 0.57 |
| Calcium hydrophosphate (g/100 g) | 0.6 | 0.6 | 0.9 |
| Premixb (g/100 g) | 0.4 | 0.4 | 0.5 |
| Salt (g/100 g) | 0.5 | 0.5 | 0.4 |
| Sodium butyrate (g/100 g) | – | 1 | – |
| Coarse material | 0.00 | ||
| Oats grass (g/100 g) | 32 | 32 | 48 |
| Alfalfa Oats grass (g/100 g) | 8 | 8 | 12 |
| Nutritional index | |||
| NE (MJ/kg) | 17.56 | 17.56 | 17.17 |
| Fat (%) | 3.6 | 3.6 | 2.39 |
| CP (%) | 16.76 | 16.76 | 17.79 |
| Starch | 19.914 | 19.914 | 17.295 |
| NDF (%) | 42.64 | 42.64 | 40.79 |
| ADF (%) | 7.22 | 7.22 | 2.83 |
| Ca (%) | 1.55 | 1.55 | 1.73 |
| P (%) | 0.76 | 0.76 | 0.79 |
NE Net Energy, CP Crude Protein, NDF Neutral Detergent Fibre, ADF Acid Detergent Fibre, Ca Calcium, P Phosphorus
aTreatment LG, 40% grain on DM basis; HG, 60% grain on DM basis, HG, 60% grain on DM basis + sodium butyrate
bPremix consists of the following ingredients per kg of diet: vitamin A, 6000 IU; vitamin D, 2500 IU; vitamin E, 53.6 IU; Cu, 6.25 IU/kg; Fe, 62.5 mg; Zn, 62.5 mg; Mn, 50 mg; mg I, 0.125 mg; Co, 0.125 mg; Mo, 0.125 mg