Table 5.
Item | Diets without xylanase | Diets with xylanase | ||||||
---|---|---|---|---|---|---|---|---|
SBM | RCM | DCM | CCM | SBM | RCM | DCM | CCM | |
Calculated nutrient composition | ||||||||
CP, % | 17.23 | 17.41 | 17.34 | 15.78 | 17.23 | 17.41 | 17.34 | 15.78 |
NE, kcal/kg | 2,426 | 2,415 | 2,451 | 2,412 | 2,426 | 2,415 | 2,451 | 2,412 |
Ca, % | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 | 0.70 |
Phosphorus, STTD | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 | 0.33 |
Methionine, % (SID) | 0.40 | 0.42 | 0.39 | 0.42 | 0.40 | 0.42 | 0.39 | 0.42 |
Methionine + cysteine, % (SID) | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 |
Lysine, % (SID) | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 | 1.23 |
Threonine, % (SID) | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 | 0.73 |
Tryptophan, % (SID) | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
Phytase, FTU/kg | 500 | 500 | 500 | 500 | 500 | 500 | 500 | 500 |
Xylanase, BXU/kg | — | — | — | — | 16,000 | 16,000 | 16,000 | 16,000 |
Analyzed nutrient content | ||||||||
DM | 89.16 | 89.20 | 89.29 | 89.60 | 88.91 | 89.34 | 89.45 | 89.36 |
Ash | 3.25 | 3.49 | 3.57 | 3.40 | 3.25 | 3.48 | 3.53 | 3.03 |
CP, % (N × 6.25) | 17.83 | 17.16 | 17.91 | 16.16 | 17.38 | 17.98 | 18.00 | 16.05 |
Ether extract | 5.50 | 5.12 | 5.58 | 5.81 | 5.23 | 5.50 | 5.81 | 5.83 |
Total fat | 6.61 | 6.20 | 6.68 | 6.94 | 6.34 | 6.57 | 6.90 | 6.95 |
Starch | 49.85 | 45.93 | 46.77 | 47.05 | 49.40 | 45.51 | 46.27 | 48.80 |
Sugar | 4.98 | 5.29 | 5.31 | 5.16 | 5.29 | 5.89 | 5.51 | 5.46 |
NDF | 9.35 | 12.30 | 10.16 | 11.89 | 9.05 | 12.31 | 10.59 | 11.59 |
Ca | 0.66 | 0.63 | 0.59 | 0.61 | 0.75 | 0.77 | 0.82 | 0.81 |
Total P | 0.56 | 0.58 | 0.60 | 0.58 | 0.52 | 0.59 | 0.67 | 0.64 |
Phytase, FTU/kg | 696 | 744 | 956 | 1,160 | 794 | 1,020 | 846 | 991 |
Xylanase, BXU/kg | <2,000 | <2,000 | <2,000 | <2,000 | 18,200 | 20,100 | 18,600 | 20,900 |
1All diets were formulated to contain the following quantities of the ileal digestible indispensable AA, %: Met, 0.36; Met + Cys, 0.68; Lys, 1.23; Thr, 0.73; Trp, 0.20.