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Table 8 Effects of protease and RFFS supplementations on the coefficient of apparent 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 Ala Pro
0 00 0.775b 0.818 0.905 0.762 0.848a 0.945 0.786 0.800 0.824 0.825 0.793 0.770 0.815 0.806
  15,000 0.812a 0.841 0.894 0.772 0.859a 0.948 0.802 0.809 0.832 0.832 0.794 0.748 0.815 0.801
45 0 0.783ab 0.815 0.888 0.755 0.838ab 0.946 0.762 0.771 0.801 0.807 0.761 0.712 0.779 0.777
  15,000 0.772b 0.816 0.891 0.754 0.848a 0.952 0.774 0.782 0.810 0.808 0.771 0.737 0.792 0.784
75 0 0.757b 0.785 0.867 0.721 0.810b 0.941 0.727 0.724 0.780 0.773 0.737 0.692 0.768 0.766
  15,000 0.776b 0.799 0.880 0.744 0.837ab 0.943 0.743 0.750 0.784 0.789 0.745 0.706 0.771 0.765
SEM 0.004 0..04 0.004 0..04 0.004 0..02 0.006 0.007 0.006 0.005 0.005 0.006 0.005 0.005
Main effects
 0   0.794 0.830a 0.899a 0.767a 0.854 0.946 0.794a 0.805a 0.828a 0.828a 0.793a 0.759a 0.815a 0.804a
 45   0.778 0.816b 0.889ab 0.755ab 0.843 0.949 0.768b 0.777b 0.805ab 0.807ab 0.766b 0.725b 0.785b 0.781b
 75   0.766 0.792b 0.874b 0.733b 0.823 0.942 0.735c 0.737c 0.782b 0.781b 0.741c 0.699c 0.769c 0.765c
  0 0.772 0.806 0.887 0.746 0.832 0.944 0.758 0.765 0.802 0.802 0.764 0.725 0.787 0.783
  15,000 0.786 0.819 0.888 0.757 0.848 0.948 0.773 0.781 0.808 0.809 0.770 0.730 0.793 0.783
Sources of variation
 RFFS ** *** ** *** ** NS *** *** *** *** *** *** *** ***
 Protease * 0.08 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
  1. a,b,c Means bearing uncommon superscripts within a column are significantly different at NS = non-significant; *P < 0.05; **P < 0.01; ***P < 0.00; 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 = 15,000 units of protease/kg of diet, equivalent to 200 mg of protease / kg of diet