Table 1.
Ingredient composition and nutrient content of basal diets (g/100 g, as-fed basis) fed to turkeys at 1–4, 5–8, 9–12, and 13–16 wk of age.
| Item | Feeding period, weeks |
|||
|---|---|---|---|---|
| 1–4 | 5–8 | 9–12 | 13–16 | |
| Ingredients | ||||
| Wheat | 43.98 | 47.12 | 51.99 | 61.71 |
| Maize | 10.00 | 10.00 | 10.00 | 10.00 |
| Soybean meal, 48% CP | 28.77 | 26.54 | 23.85 | 15.24 |
| Rapeseed meal | 3.00 | 3.00 | 3.00 | 3.00 |
| Potato protein | 5.00 | 2.96 | – | – |
| Soybean oil | 0.95 | 2.85 | 4.78 | 4.22 |
| Maize gluten meal | 3.50 | 3.00 | 3.00 | 3.00 |
| Sodium bicarbonate | 0.20 | 0.20 | 0.20 | 0.20 |
| Sodium chloride | 0.15 | 0.16 | 0.16 | 0.12 |
| Limestone | 2.07 | 1.87 | 1.64 | 1.45 |
| Monocalcium phosphate | 1.94 | 1.55 | 0.96 | 0.65 |
| L-Threonine | 0.09 | 0.10 | 0.07 | 0.06 |
| Choline chloride | 0.10 | 0.10 | 0.10 | 0.10 |
| Vitamin-mineral premix1 | 0.25 | 0.25 | 0.25 | 0.25 |
| Titanium oxide | – | 0.30 | – | – |
| Calculated nutrient content | ||||
| Metabolizable energy, kcal/kg | 2,820 | 2,950 | 3,100 | 3,150 |
| Crude protein | 27.0 | 24.5 | 21.5 | 18.5 |
| Arginine | 1.58 | 1.44 | 1.27 | 1.04 |
| Lysine | 1.36 | 1.19 | 0.97 | 0.76 |
| Methionine | 0.44 | 0.39 | 0.34 | 0.30 |
| Met + Cys | 0.91 | 0.83 | 0.74 | 0.67 |
| Threonine | 1.02 | 1.01 | 0.83 | 0.70 |
| Calcium | 1.30 | 1.15 | 0.95 | 0.80 |
| Available phosphorus | 0.70 | 0.60 | 0.47 | 0.40 |
Provided per kg diet (feeding periods: weeks 0–4, 5–8, 9–12 and 13–16): mg: retinol 3.78, 3.38, 2.88, and 2.52; cholecalciferol 0.13, 0.12, 0.10, and 0.09; α-tocopheryl acetate 100, 90, 80, and 70; vit. K3 5.8, 5.6, 4.8, and 4.2; thiamine 5.4, 4.7, 4.0, and 3.5; riboflavin 8.4, 7.5, 6.4, and 5.6; pyridoxine 6.4, 5.6, 4.8, and 4.2; cobalamin 0.032, 0.028, 0.024, and 0.021; biotin 0.32, 0.28, 0.24, and 0.21; pantothenic acid 28, 24, 20, and 18; nicotinic acid 84, 75, 64, and 56; folic acid 3.2, 2.8, 2.4, and 2.1; Fe 64, 60, 56, 48, and 42; Mn 120, 112, 96, and 84; Zn 110, 103, 88, and 77; Cu 23, 19, 16, and 14; I 3.2, 2.8, 2.4, and 2.1; Se 0.30, 0.28, 0.24, and 0.21, respectively.