Table 1. Formula and chemical composition of experimental diet

High energy diet Low energy diet
11~40 d 41~75 d 11~40 d 41~75 d
Formula ------------------- % -------------------
 Corn 46.42 39.75 47.66 40.99
 Wheat 10.00 20.00 10.00 20.00
 Gluten 3.00 3.00
 Soybean meal 28.08 24.56 32.20 28.72
 Canola meal 2.00 2.00 2.00 2.00
 Limestone 1.30 1.30 1.30 1.30
 M.D.C.P (18%/21%) 1.56 1.32 1.48 1.24
 Salt 0.29 0.20 0.29 0.20
 Beef tallow 6.12 6.64 3.96 4.44
 Choline chloride (50%) 0.12 0.15 0.10 0.13
 DL-Methionine (98%) 0.30 0.29 0.32 0.31
 L-Lysine (98%) 0.44 0.41 0.33 0.30
 Threonine (98.5%) 0.05 0.06 0.04 0.05
 Vit. premix1 0.20 0.20 0.20 0.20
 Min. premix2 0.12 0.12 0.12 0.12
 Total 100.00 100.00 100.00 100.00
Calculated compositions
 Moisture (%) 11.28 10.84 11.66 11.23
 Protein (%) 21.00 19.99 20.99 20.00
 Fat (%) 8.27 8.65 6.20 6.54
 Fiber (%) 3.48 3.33 3.73 3.58
 Ash (%) 5.61 5.13 5.72 5.24
 Ca (%) 0.90 0.85 0.90 0.85
 P (%) 0.68 0.63 0.67 0.62
 Available P (%) 0.54 0.49 0.52 0.48
 TME (kcal/kg) 3,150 3,200 3,000 3,049
 ME (kcal/kg) 3,148 3,206 2,991 3,046
 Lysine (%) 1.35 1.25 1.36 1.25
 Methionine (%) 0.63 0.61 0.63 0.61
 Methionine+cysteine (%) 0.98 0.95 0.98 0.95
 Threonine (%) 0.81 0.78 0.81 0.78
The vitamin(Vit) premix contains the followings per kg of diet: vit.A, 18.000IU; vit.D3, 4.500 IU; vit.E, 31.5 IU; menadione (K3), 3.6 mg; thiamin (B1), 1.8 mg riboflavin (B2), 4.8 mg; pyridoxine (B6), 3.6 mg; cobalamin (B12), 0.03 mg; niacin (B3), 22.5 mg; panthothenic acid (B5), 15 mg; folic acid (B9), 0.45 mg.
The mineral(Min) premix contains the followings per kg of diet: Mn, 86.4 mg; Zn, 72 mg; Fe, 74.6 mg; Cu, 6 mg; I, 1.5 mg; Co, 0.288 mg; Se, 0.216 mg.
Abbreviations, MDCP: Mono-di-calcium phosphate, TME: True metabolizable energy, ME: Metabolizable energy.