Table 1.
Feeding Phase (Days) | |||
---|---|---|---|
Ingredients (%) | Starter (0–14) |
Grower 1 + 2 (15–28) |
Finisher (29–42) |
Corn (7.81% crude protein) | 59.53 | 64.12 | 65.70 |
Soybean meal (48% crude protein) | 33.5 | 28.80 | 26.86 |
Soybean Oil (9000 kcal/kg) | 2.18 | 2.60 | 3.50 |
Dicalcium Phosphate (18.5% Phosphorus, 22% Calcium) | 2.05 | 1.92 | 1.70 |
Calcium Carbonate (37% Calcium) | 1.11 | 1.00 | 0.90 |
Sodium Chloride | 0.37 | 0.37 | 0.35 |
DL-Methionine (990 g/kg) 2 | 0.38 | 0.34 | 0.29 |
L-Lysine Hydrochloride (788 g L-Lysine/kg) 3 | 0.37 | 0.35 | 0.24 |
L-Threonine (985 g/kg) 4 | 0.15 | 0.14 | 0.10 |
Vitamin/Trace Mineral Premix 5 | 0.36 | 0.36 | 0.36 |
Calculated Analysis (% unless specified) | |||
ME (kcal/kg) | 3007 | 3087 | 3168 |
Crude protein | 21.81 | 19.90 | 18.94 |
Total phosphorus | 0.76 | 0.71 | 0.66 |
Available phosphorus | 0.45 | 0.42 | 0.38 |
Calcium | 0.90 | 0.84 | 0.76 |
Chlorine | 0.33 | 0.33 | 0.29 |
Sodium | 0.16 | 0.16 | 0.15 |
Potassium | 0.85 | 0.77 | 0.73 |
Methionine | 0.67 | 0.61 | 0.55 |
Methionine + Cysteine | 0.98 | 0.89 | 0.82 |
Lysine | 1.32 | 1.19 | 1.05 |
Threonine | 0.86 | 0.78 | 0.71 |
Linoleic acid | 1.44 | 1.52 | 1.55 |
Dietary cation-anion balance (mEq) | 194 | 174 | 170 |
1 The supplemental antibiotic growth promoter (0.45 kg/ton of Stafac®20), and PrimaLac (1.36 kg/ton in starter and grower 1 diets; 0.91 kg/ton in grower 2 and finisher diets) were added on top to the basal diet to provide the three experimental diets including the control (basal) diet in every feeding period. 2 Rhodimet® NP99, ADISSEO, GA, USA. 3 L-Lysine HCl, Ajinomoto Heartland, Inc. Eddyville, IA, USA. 4 Fenchem Ingredient Technology, Nanjing, China. 5 Vitamins supplied per kg diet: retinol 3.33 mg, cholecalciferol 0.1 mg, α-tocopherol acetate 23.4 mg, vitamin K3 1.2 mg, vitamin B1 1.6 mg, vitamin B2 9.5 mg, niacin 40 mg, pantothenic acid 9.5 mg, vitamin B6 2 mg, folic acid 1 mg, vitamin B12 0.016 mg, biotin 0.05 mg, choline 556 mg. Minerals supplied per kg diet: Mn 144 mg, Fe 72 mg, Zn 144 mg, Cu 16.2 mg, I 2.1 mg, Se 0.22 mg.