Table 3. Calculated and analyzed nutrient content and ingredient profiles of the 4 basal diets for the finisher phase (as-fed basis, %)

Ingredient Diet1)
PC NC-1 NC-2 NC-3
 Corn 51.35 52.68 54.02 55.35
 Wheat 4.00 4.33 4.67 5.00
 Soybean meal (48 %) 27.87 27.60 27.34 27.07
 Fish meal 2.20 2.13 2.07 2.00
 Vegetable oil 3.30 2.62 1.94 1.26
 Corn starch 7.00 6.39 5.77 5.16
 Limestone 1.38 1.33 1.28 1.23
 Mono-calcium phosphate 1.50 1.50 1.50 1.50
 Salt 0.30 0.30 0.30 0.30
 Vit-Min premix2) 0.30 0.30 0.30 0.30
 Lys-HCl 0.20 0.21 0.22 0.23
 DL-methionine 0.30 0.30 0.30 0.30
 Cr2O3 0.30 0.30 0.30 0.30
Calculated composition
 Metabolizable energy (kcal/kg) 3,150 3,110 3,070 3,030
 Crude protein (%) 20.00 20.00 20.00 20.00
 Lysine (%) 1.22 1.22 1.22 1.22
 Methionine + cystine (%) 0.96 0.96 0.97 0.97
Analyzed xylanase activity None NCX-13) NCX-2 NCX-3
 Xylanase activity (U/g) - 1.52 3.03 4.49
PC, energy sufficient diet; NC-1, −40 kcal/kg ME reduced from PC diet; NC-2, −80 kcal/kg ME reduced from PC diet; NC-3, −120 kcal/kg ME reduced from PC diet.
Vitamin and mineral mixture provided the following nutrients per kg of diet: vitamin A, 24,000 IU; vitamin D3, 6,000 IU; vitamin E, 30 IU; vitamin K, 4 mg; thiamin, 4 mg; riboflavin, 12 mg; pyridoxine, 4 mg; folacine, 2 mg; biotin, 0.03 mg; vitamin B8 0.06 mg; niacin, 90 mg; pantothenic acid, 30 mg; Fe, 80 mg (as FeSO4 · H2O); Zn, 80 mg (as ZnSO4 · H2O); Mn, 80 mg (as MnSO4 · H2O); Co, 0.5 mg (as CoSO4 · H2O); Cu, 10 mg (as CuSO4 · H2O); Se, 0.2 mg (as Na2SeO3); I, 0.9 mg (as Ca (IO3) · 2H2O).
NCX-1, NC-3 diet with 1,500 U/kg xylanase; NCX-2, NC-3 diet with 3,000 U/kg xylanase; NCX-3, NC-3 diet with 4,500 U/kg xylanase.