Table 1. Study A: composition and calculated analysis of starter (0–14 d of age) and grower diets (15–35 d of age).
| Ingredient | Units | Starter diet | Grower diet | ||||
|---|---|---|---|---|---|---|---|
| T1 Control | T2 Ferric citrate 200 mg/kg | T3 Ferric citrate 2,000 mg/kg | T1 Control | T2 Ferric citrate 200 mg/kg | T3 Ferric citrate 2,000 mg/kg | ||
| Maize | % | 31.77 | 31.77 | 31.77 | 30.97 | 30.97 | 30.97 |
| Soybean meal (CP 47%) | 33.31 | 33.31 | 33.31 | 29.57 | 29.57 | 29.57 | |
| Wheat | 25.20 | 25.20 | 25.20 | 29.30 | 29.30 | 29.30 | |
| Soybean oil | 5.20 | 5.20 | 5.20 | 5.80 | 5.80 | 5.80 | |
| Monocalcium-phosphate | 1.50 | 1.50 | 1.50 | 1.38 | 1.38 | 1.38 | |
| Premix1 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | |
| Limestone | 1.03 | 1.03 | 1.03 | 1.03 | 1.03 | 1.03 | |
| DL-Methionine | 0.31 | 0.31 | 0.31 | 0.23 | 0.23 | 0.23 | |
| L-Lysine HCL | 0.19 | 0.19 | 0.19 | 0.23 | 0.23 | 0.23 | |
| L-Threonine | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | |
| Tixosil® colloidal silica | 0.20 | 0.18 | 0 | 0.20 | 0.18 | 0 | |
| Ferric citrate | 0 | 0.02 | 0.20 | 0 | 0.02 | 0.20 | |
| TOTAL | 100 | 100 | 100 | 100 | 100 | 100 | |
| AMEN2 | MJ/kg | 12.42 | 12.42 | 12.42 | 12.73 | 12.73 | 12.73 |
| AMEN3 | 12.65 | 12.65 | 12.65 | 12.90 | 12.90 | 12.90 | |
| Crude protein | g/kg | 215.60 | 215.60 | 215.60 | 200.90 | 200.90 | 200.90 |
| Lysine | 12.70 | 12.70 | 12.70 | 12.00 | 12.00 | 12.00 | |
| Methionine | 6.20 | 6.20 | 6.20 | 5.20 | 5.20 | 5.20 | |
| Methionine/Cysteine | 9.70 | 9.70 | 9.70 | 8.50 | 8.50 | 8.50 | |
| Tryptophan | 2.60 | 2.60 | 2.60 | 2.40 | 2.40 | 2.40 | |
| Threonine | 8.70 | 8.70 | 8.70 | 8.10 | 8.10 | 8.10 | |
| Valine | 1.00 | 1.00 | 1.00 | 9.30 | 9.30 | 9.30 | |
| Arginine | 1.41 | 1.41 | 1.41 | 12.90 | 12.90 | 12.90 | |
| Crude fibre | 26.30 | 26.30 | 26.30 | 25.70 | 25.70 | 25.70 | |
| Crude fat | 73.80 | 73.80 | 73.80 | 79.80 | 79.80 | 79.80 | |
| Starch | 359.10 | 359.10 | 359.10 | 380.70 | 380.70 | 380.70 | |
| Sugars | 42.60 | 42.60 | 42.60 | 39.90 | 39.90 | 39.90 | |
| Calcium | 9.00 | 9.00 | 9.00 | 8.80 | 8.80 | 8.80 | |
| Total phosphorus | 7.20 | 7.20 | 7.20 | 6.70 | 6.70 | 6.70 | |
| Sodium | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | 1.70 | |
Notes:
Per kg: 600,000 I.U. Vit. A (acetate); 120,000 I.U. Vit. D3; 6,000 mg Vit. E (α-tocopherol acetate); 200 mg Vit. K3 (MSB); 250 mg Vit. B1 (mononitrate); 420 mg Vit. B2 (cryst. riboflavin); 300 mg Vit. B6 (pyridoxin-HCl); 1,500 μg Vit. B12; 3,000 mg niacin (niacinamide); 12,500 μg biotin (commercial, feed grade); 100 mg folic acid (cryst., commercial, feed grade); 1,000 mg pantothenic acid (Ca d-pantothenate); 60,000 mg choline (chloride); 5,000 mg zinc (zinc sulphate); 6,000 mg manganese (manganous oxide); 1,000 mg copper (copper oxide); 45 mg iodine (calcium-iodate); 20 mg selenium (sodium-selenite); 140 g sodium (NaCl); 55 g magnesium (magnesium sulphate); carrier: calcium carbonate (calcium min 38%); no added Fe.
Estimated according to equation of WPSA (1984) (by using crude nutrients).
According to INRA (2004).