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. 2021 Jul 13;99(8):skab211. doi: 10.1093/jas/skab211

Table 4.

Analyzed nutrient composition of experimental diets containing 0.29% phytate-bound P, as-fed basis

PhyG, FTU1/kg PhyB, FTU/kg
1,000
Item 0 500 1,000 2,000 4,000
Dry matter, % 88.57 88.40 88.49 88.78 88.68 88.45
Ash, % 4.59 4.64 4.63 4.77 4.67 4.59
Gross energy, kcal/kg 4,067 4,056 4,057 4,065 4,050 4,057
Crude protein, % 17.92 18.03 18.43 18.20 17.78 17.66
AEE1, % 5.43 5.99 6.06 6.09 5.44 5.50
Soluble dietary fiber, % 0.6 0.9 0.8 0.8 1.0 0.7
Insoluble dietary fiber, % 13.1 12.1 12.0 14.1 12.1 12.2
Total dietary fiber, % 13.7 13.0 12.8 14.9 13.1 12.9
Phytase, FTU/kg (AOAC) <70 470 840 2,100 4,200 810
Phytase, FTU/kg (ISO 30024:2009) 188 696 1,309 2,406 4,680 1,369
Ca, % 0.65 0.69 0.66 0.70 0.71 0.69
P, % 0.40 0.40 0.42 0.40 0.43 0.43
Phytic acid, % 1.05 1.04 1.01 1.03 1.00 1.04
Phytate-bound P2, % 0.30 0.29 0.28 0.29 0.28 0.29
Non-phytate P3, % 0.10 0.11 0.14 0.11 0.15 0.14
Na, % 0.17 0.17 0.17 0.17 0.16 0.17
Mg, % 0.18 0.17 0.18 0.18 0.17 0.18
K, % 0.80 0.76 0.79 0.81 0.79 0.79
S,% 0.25 0.22 0.25 0.26 0.25 0.26
Cl, % 0.32 0.32 0.31 0.33 0.32 0.32
Cu, mg/kg 23.9 26.1 30.2 25.1 34.4 26.7
Zn, mg/kg 141.0 136 144 152 144 138
Mn, mg/kg 76.3 69.1 71.3 81.4 71.7 74
Fe, mg/kg 189 194 196 191 198 191
Se, mg/kg 0.64 0.61 0.67 0.64 0.61 0.60

1FTU, phytase units; AEE, acid hydrolyzed ether extract.

2Calculated as 28.2% of phytic acid (Tran and Sauvant, 2004).

3Calculated as total P – phytate-bound P.