TABLE 1.
Ingredients and nutritional composition of the diets.
| Ingredients (g/kg FM) | CTR/PRO | PRE/SYN |
| Maize | 206.7 | 196.3 |
| Wheat | 179.4 | 170.4 |
| Barley 2 row | 169.4 | 160.9 |
| Extruded soybean | 148.6 | 141.2 |
| Sweet whey-powder (cattle) | 99.6 | 94.7 |
| Fish meal | 59.8 | 56.8 |
| Soybean meal 44 | 79.7 | 75.7 |
| Whey-powder 50% fat | 24.9 | 23.7 |
| Mono-calcium phosphate | 6.8 | 6.4 |
| Calcium carbonate (CaCO3) | 3.9 | 3.7 |
| L-Lysine HCL | 5.3 | 5.1 |
| Vit-Min Premix* | 4 | 3.8 |
| Sodium chloride (marine salt) | 2.5 | 2.4 |
| DL-Methionine 99 | 3.9 | 3.7 |
| L-Threonine | 2.8 | 2.7 |
| L-Tryptophan | 0.8 | 0.8 |
| L-Valine | 2 | 1.9 |
| Prebiotic | 0 | 50 |
| Analyzed composition (g/kg FM) | CTR/PRO | PRE/SYN |
| Dry matter | 916.9 | 917.4 |
| Ashes | 48.2 | 47.7 |
| Crude fat | 61.1 | 58.8 |
| Crude protein | 203.4 | 193.1 |
| Neutral detergent fiber | 80.5 | 82 |
| Acid detergent fiber | 25.7 | 27.1 |
*Provided per kilogram of complete diet: 10,200 IU vitamin A, 2,100 IU vitamin D3, 39.9 mg vitamin E, 3 mg vitamin K3, 2 mg vitamin B1, 2.3 mg vitamin B2, 3 mg vitamin B6, 0.025 mg vitamin B12, 20 mg calcium pantothenate, 60 mg nicotinic acid, 0.1 mg biotin, 0.5 mg folic acid, 150 mg Fe, 156 mg Cu, 0.5 mg Co, 120 mg Zn, 49.8 mg Mn, 2 mg I, 0.3 mg Se.