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. 2016 Aug 13;2(4):303–311. doi: 10.1016/j.aninu.2016.08.001

Table 5.

The effects of grain type and dietary inclusions of sodium metabisulphite (SMBS) and protease on protein (N) disappearance rates (g/bird/day) in four small intestinal segments at 28 days post–hatch.

Treatments
Protein (N) disappearance rates, g/(bird·day)
Grain SMBS, g/kg Protease, units/kg Proximal jejunum Distal jejunum Proximal ileum Distal ileum
Wheat 0 0 18.9 24.7 25.9 26.8
0 1,000 17.4 23.4 25.1 26.9
2.75 0 17.5 23.2 25.2 26.8
2.75 1,000 16.1 21.5 23.0 27.3
Sorghum 0 0 15.8 22.6 24.5 22.1
0 1,000 15.7 21.4 23.5 25.4
2.75 0 18.2 23.2 25.7 23.5
2.75 1,000 14.0 24.5 25.4 24.0
SEM 1.2541 1.0362 1.2330 1.0415
Main effects grain
Wheat 17.5 23.2 24.8 27.0b
Sorghum 15.9 22.9 24.8 23.7a
SMBS, g/kg
0 16.9 23.0 24.7 25.3
2.75 16.5 23.1 24.8 25.4
Protease, units/kg
0 17.6 23.4 25.3 24.8
1,000 15.8 22.7 24.2 25.9
Significance (P-value)
Grain 0.083 0.728 0.995 <0.001
SMBS 0.613 0.905 0.993 0.902
Protease 0.051 0.335 0.229 0.151
Grain × SMBS 0.361 0.021 0.110 0.918
Grain × Protease 0.686 0.296 0.612 0.289
SMBS × Protease 0.261 0.518 0.825 0.421
Grain × SMBS × Protease 0.239 0.355 0.530 0.268

a,b Means within columns not sharing a common suffix are significantly different at the 5% level of probability.