ISSUE FOCUS FEED & ADDITIVE MAGAZINE April 2025 41 Soybean meal Item Ingredient, % Corn Soybean meal, 47.7% CP Monocalcium P, 21% P Limestone Sodium chloride Liquid lysine 55% DL-Methionine L-Tryptophan L-Valine Thr Pro 802 Vitamin-trace mineral premix Phytase3 Total Calculated analysis Lys Ile:Lys Leu:Lys Met:Lys Met and Cys:Lys Thr:Lys Trp:Lys Val:Lys His:Lys Total Lys, % NE, kcal/lb SID Lys:NE, g/Mcal CP, % Ca, % STTD P, % Ca:P Analyzed values, % DM CP Low 69.39 27.51 0.65 0.98 0.50 0.45 0.13 0.04 0.05 0.18 0.10 0.05 100.00 1.10 62 132 36 60 66 21 72 41 1.24 1,112 4.49 19.4 0.60 0.40 1.16 86.4 18.9 Med-Low 66.36 30.88 0.63 0.97 0.50 0.30 0.10 0.02 ---- 0.12 0.10 0.05 100.00 1.10 67 140 34 60 66 21 73 44 1.24 1,103 4.52 20.6 0.60 0.40 1.14 86.1 20.6 Med-High 63.32 34.20 0.60 0.95 0.50 0.15 0.07 ---- ---- 0.07 0.10 0.05 100.00 1.10 72 147 33 60 66 21 78 47 1.25 1,095 4.56 21.7 0.60 0.40 1.12 86.4 21.1 High 60.29 37.52 0.55 0.95 0.50 ---- 0.04 ---- ---- 0.01 0.10 0.05 100.00 1.10 78 154 32 60 66 23 83 50 1.26 1,087 4.59 22.9 0.60 0.40 1.11 86.1 20.9 Table 1. Composition of phase 1 diets (as-fed basis)1 1Phase 1 diets were fed from approximately 60 to 105 lb. 2Thr Pro 80; CJ America-Bio, Downers Grove, IL. 3Optiphos (Huvepharma, Sofia, Bulgaria) was included at 1,251 FTU/kg providing an estimated release of 0.13% STTD P for all the diets. Standardized ileal digestible (SID) amino acids, %
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