Table 1. Formula and composition of experimental diet (as fed-basis)1)

Grower (initial to week 8) Finisher (week 8 to week 16)
CON2) TRT1 TRT2 CON TRT1 TRT2
Ingredients (%) 100.00 100.00 100.00 100.00 100.00 100.00
 Corn 64.98 57.35 57.35 69.40 61.64 61.13
 Rice 3.00 3.00 3.00 3.00 3.00 3.00
 Soybean meal (48% crude protein) 15.26 25.46 25.46 9.66 17.66 17.86
 DDGS 5.00 4.00 4.00 6.00 6.00 6.00
 Palm kernel meal 2.00 - - 3.00 2.00 2.00
 Tallow 3.20 4.30 4.30 3.00 4.10 4.40
 Molasses, cane 2.80 2.50 2.50 2.80 2.50 2.50
 Limestone 1.20 1.15 1.15 1.12 1.14 1.14
 Monocalcium phosphate 0.62 0.59 0.59 0.50 0.52 0.53
 Salt 0.41 0.35 0.35 0.40 0.35 0.35
 Methionine (98%) 0.15 0.13 0.13 0.07 0.08 0.08
 Lysine (50%) 0.67 0.59 0.59 0.51 0.50 0.50
 Threonine (98.5%) 0.16 0.11 0.11 0.11 0.08 0.08
 Tryptophane (20%) 0.23 0.15 0.15 0.17 0.17 0.17
 Vitamin/Mineral mixture3) 0.20 0.20 0.20 0.18 0.18 0.18
 Vitamin E (10%) 0.02 0.02 0.02 0.01 0.01 0.01
 CuSO4 0.03 0.03 0.03 - - -
 Phytase 0.07 0.07 0.07 0.07 0.07 0.07
Calculated composition
 DE (MJ/kg) 14.78 14.91 14.91 14.74 14.86 14.86
 NE (MJ/kg) 10.33 10.33 10.42 10.35 10.37 10.43
 SID lysine (g/kg) 10.20 10.70 10.70 8.10 8.60 8.60
 SID lysine/DE (g/MJ) 0.7 0.7 0.7 0.6 0.6 0.6
 SID lysine/NE (g/MJ) 1.0 1.0 1.0 0.8 0.8 0.8
Analyzed composition (%)
 Crude protein 16.36 17.61 17.61 14.46 15.25 15.30
 Crude fat 6.83 6.75 6.75 6.77 6.79 7.07
 Crude ash 5.09 5.04 5.04 4.70 4.77 4.79
 Crude fiber 2.74 2.46 2.46 2.79 2.64 2.64
 Calcium 0.77 0.76 0.76 0.71 0.72 0.72
 Phosphorus 0.41 0.40 0.40 0.38 0.38 0.38
A growing-to-finish feeding regimen designed to either meet or beyond the NRC’s [21] suggested standards including superdose level of phytase (FTU/kg).
CON, basal diet; TRT1, basal diet + 0.05% SID lysine; TRT2, basal diet + 0.05% lysine SID + 0.084 MJ/kg net energy.
Provided per kilogram of complete diet: 4800 IU vitamin A; 1750 IU vitamin D3; 2.40 mg vitamin K3; 4.60 mg riboflavin; 1.20 mg vitamin B6; 13 mg pantothenic acid; 23.50 mg niacin; 0.02 mg biotin; 12.50 mg Mn (as MnO2); 179 mg Zn (as ZnSO4); 5 mg Cu (as CuSO4·5H2O); 0.50 mg I (as KI); and 0.40 mg Se (as Na2SeO3·5H2O); 75 mg Fe (as FeSO4·7H2O).
DDGS, distiller’s dried grains with soluble; DE, digestible energy; NE, net energy; SID, standardized ileal digestible.