Table 2. Ingredient and chemical compositions (%) of diets in Experiment 1, as-fed basis

Ingredient Experimental diets
Corn Soybean meal N-free diet
Corn 95.36 - -
Soybean meal - 41.24 -
Cornstarch - 50.48 29.86
Sucrose - - 55.00
Soybean oil - 4.00 4.00
Calcium phosphate (monocalcium) 2.00 1.85 2.41
Limestone, ground 1.54 1.33 1.34
Vitamin-Mineral premix1) 0.20 0.20 0.20
Sodium chloride 0.40 0.40 -
Chromic oxide 0.50 0.50 0.50
Cellulose - - 5.00
Choline chloride - - 0.25
Sodium bicarbonate - - 0.75
Potassium chloride - - 0.30
Magnesium oxide - - 0.09
Potassium carbonate - - 0.30
Total 100.0 100.0 100.0
Calculated composition (%)
  MEn (kcal/kg) 3,194 3,301 3,404
  Crude protein 8.11 20.00 -
  Ca 1.00 1.00 1.00
  Non-phytate P 0.45 0.45 0.45
Total amino acids (%)
  Arg 0.36 1.48 -
  His 0.22 0.55 -
  Ile 0.28 0.92 -
  Leu 0.95 1.59 -
  Lys 0.25 1.26 -
  Met 0.17 0.29 -
  Met + Cys 0.34 0.60 -
  Phe 0.36 1.02 -
  Phe + Tyr 0.65 1.91 -
  Thr 0.28 0.81 -
  Trp 0.06 0.35 -
  Val 0.04 0.97 -
Provided per kg of diet: vitamin A, 9,000 IU; vitamin D, 4,000 IU; vitamin E, 50 mg; vitamin K3, 2.5 mg; thiamine nitrate, 2.0 mg; riboflavin, 6.0 mg; pyridoxine hydrochloride, 3.0 mg; vitamin B12, 0.013 mg; nicotinic acid, 50.0 mg; calcium pantothenate, 15.0 mg; folic acid, 1.5 mg; biotin, 0.1 mg; Mn, 96 mg as manganese sulfate; Zn, 90 mg as zinc sulfate; Fe, 50 mg as ferrous sulfate and ferric oxide; Cu, 24 mg as cupric sulfate; I, 1.2 mg as calcium iodate; Se, 0.36 mg as sodium selenite.
MEn, nitrogen-corrected metabolizable energy; Arg, arginine; His, histidine; Ile, isoleucine; Leu, leucine; Lys, lysine; Met, methionine; Cys, cysteine; Phe, phenylalanine; Tyr, tyrosine; Thr, threonine; Trp, tryptophan; Val, valine.