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Table 9 Effects of protease and RFFS supplementations on the coefficient of standardized ileal digestibility of CP and AA of broilers at day 24

From: Apparent and standardized ileal nutrient digestibility of broiler diets containing varying levels of raw full-fat soybean and microbial protease

RFFS1 (g/kg) Protease (PROT/kg) CP Indispensable amino acids Dispensable amino acids
His Arg Thr Lys Met Val Ile Leu Phe Ser Gly Al Pro
0 0 0.804b 0.873 0.932 0.851 0.887 0.966 0.847 0.853 0.864 0.867 0.860 0.828 0.870 0.853
  15,000 0.840a 0.894 0.921 0.858 0.896 0.968 0.860 0.861 0.871 0.872 0.859 0.811 0.872 0.848
45 0 0.811ab 0.868 0.916 0.837 0.875 0.963 0.821 0.824 0.840 0.848 0.827 0.780 0.837 0.826
  15,000 0.799b 0.869 0.918 0.839 0.884 0.971 0.832 0.833 0.848 0.848 0.836 0.800 0.848 0.831
75 0 0.785b 0.841 0.897 0.810 0.850 0.961 0.789 0.780 0.819 0.815 0.806 0.761 0.826 0.815
  15,000 0.803b 0.853 0.907 0.825 0.873 0.962 0.803 0.802 0.823 0.830 0.812 0.770 0.828 0.813
SEM 0.004 0.005 0.004 0.004 0.004 0.002 0.006 0.007 0.006 0.005 0.005 0.006 0.004 0.005
Main effects
 0   0.822 0.884a 0.927a 0.855a 0.891a 0.967 0.853a 0.857a 0.868a 0.869a 0.859a 0.819a 0.871a 0.851a
 45   0.805 0.869a 0.917b 0.838b 0.879b 0.967 0.827b 0.829b 0.844b 0.848b 0.831b 0.790b 0.843b 0.829b
 75   0.794 0.847b 0.902c 0.818b 0.861c 0.961 0.796c 0.791c 0.821b 0.822c 0.809c 0.765c 0.827b 0.814b
  0 0.800 0.861 0.915 0.833 0.871b 0.963 0.819 0.819 0.841 0.843 0.831 0.789 0.844 0.831
  15,000 0.814 0.872 0.915 0.841 0.884a 0.967 0.831 0.832 0.847 0.850 0.836 0.793 0.849 0.831
Sources of variation
 RFFS ** *** *** *** ** NS *** *** ** *** *** *** *** ***
 Protease * NS NS NS * NS NS NS NS NS NS NS NS NS
 RFFS x protease * NS NS NS NS NS NS NS NS NS NS NS NS NS
  1. a,b,cMeans bearing uncommon superscripts within a column are significantly different at NS = non-significant; *P < 0.05; **P < 0.01; ***P < 0.001; 1RFFS = raw full-fat soybean (SBM was replaced by RFFS at zero, 15 and 25%, equivalent to zero, 45 and 75 g/kg of diet, respectively); SEM = standard error of means. A 15000 PROT/kg of diet = 15,000 units of protease/kg of diet, equivalent to 200 mg of protease/kg of diet