Table 1. Ingredient composition of experimental diets as-fed basis
Ingredient (%) | Starter (1–7 d) | Grower (7–21 d) | Finisher (21–35 d) |
Corn | 54.19 | 55.38 | 56.77 |
Soybean meal | 33.80 | 26.1 | 18.23 |
Canola meal | 5.00 | 10.0 | 15.0 |
Soybean oil | 2.10 | 3.62 | 5.07 |
MDCP | - | 1.28 | 1.12 |
DCP | 1.70 | - | - |
Limestone | 1.15 | 1.34 | 1.22 |
L-Lysine | 0.50 | 0.65 | 0.81 |
DL-Methionine | 0.46 | 0.47 | 0.52 |
L-Threonine | 0.20 | 0.25 | 0.32 |
L-Tryptophan | - | 0.01 | 0.04 |
NaHCO3 | 0.10 | 0.10 | 0.10 |
Salt | 0.30 | 0.30 | 0.30 |
Vitamin premix1) | 0.20 | 0.20 | 0.20 |
Mineral premix2) | 0.20 | 0.20 | 0.20 |
Choline | 0.10 | 0.10 | 0.10 |
Nutrient composition | | | |
ME (kcal/kg) | 3,000 | 3,100 | 3,200 |
CP (%) | 23.0 | 21.5 | 20.0 |
Lys (%) | 1.50 | 1.40 | 1.30 |
Met + Cys (%) | 1.08 | 0.99 | 0.94 |
AP (%) | 0.48 | 0.44 | 0.41 |
Ca (%) | 0.96 | 0.87 | 0.81 |
Provided per kg of complete diet: 11,025 IU vitamin A; 1,103 IU vitamin D3; 44 IU. vitamin E; 4.4 mg vitamin K; 8.3 mg riboflavin; 50 mg niacin; 4 mg thiamine; 29 mg d-pantothenic; 166 mg choline; 33 μg vitamin B12.
Provided per kg of complete diet: 12 mg Cu (as CuSO4·5H2O); 85 mg Zn (as ZnSO4); 8 mg Mn (as MnO2); 0.28 mg I (as KI); 0.15 mg Se (as Na2SeO3·5H2O).
MDCP, monodicalcium phosphate; DCP, dicalcium phosphate; ME, metabolizable energy; CP, crude protein; Lys, lysine; Met, methionine; Cys, cystine; AP, available phosphorus.