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. 2020 Jul 8;99(10):5007–5017. doi: 10.1016/j.psj.2020.06.051

Table 5.

Organ response of broiler chickens at day 21, fed diets supplemented with protease (PROT/kg) and purified trypsin inhibitor (TIU/g).

Item TI
 SEM Protease
 TI
 P-value
0
 9,000
Protease
 Protease
0 15,000 0 15,000 0 15,000 0 9,000 Protease TI P × TI
Day 7, Absolute
 Pancreas, g 0.64 0.59 0.68 0.62 0.029 0.66 0.61 0.62 0.65 0.074 0.266 0.838
 Liver, g 6.22 6.11 5.63 5.45 0.200 5.92 5.78 6.17 5.54 0.477 0.005 0.854
 Duodenal loop, cm 14.37 14.31 14.29 14.99 0.389 14.33 14.65 14.34 14.64 0.415 0.448 0.338
Day 7, Relative
 Pancreas, g/kg BW 4.75 4.24 4.99 4.63 0.233 4.88 4.44 4.50 4.81 0.072 0.189 0.736
 Liver, g/kg BW 45.39 42.36 41.62 41.35 1.872 43.50 41.85 43.87 41.48 0.388 0.216 0.469
 Duodenal loop, cm/kg BW 110.1 103.50 109.1 114.9 3.89 109.6 109.2 106.8 112.0 0.919 0.195 0.127
Day 14, Absolute
 Pancreas, g 1.58b 1.55b 1.92a 1.58b 0.063 1.75 1.57 1.56 1.75 0.009 0.008 0.027
 Liver, g 13.67b 14.94a,b 15.13a 13.70b 0.455 14.40 14.32 14.30 14.42 0.861 0.799 0.007
 Duodenal loop, cm 19.22b 20.73a 19.62a,b 19.09b 0.454 19.42 19.91 19.98 19.36 0.289 0.188 0.036
Day 14, Relative
 Pancreas, g/kg BW 4.20 3.73 4.75 3.82 0.149 4.47 3.78 3.97 4.28 <0.001 0.046 0.137
 Liver, g/kg BW 36.67 35.80 37.38 33.59 1.583 37.03 34.70 36.23 35.49 0.156 0.642 0.367
 Duodenal loop, cm/kg BW 52.44 50.64 49.59 46.68 1.796 51.02 48.66 51.54 48.14 0.204 0.072 0.759
Day 21, Absolute
 Pancreas, g 2.74b 2.78b 4.31a 2.86b 0.113 3.53 2.82 2.76 3.59 <0.001 <0.001 <0.001
 Liver, g 27.00 25.62 28.10 25.86 0.694 27.55 25.74 26.31 26.98 0.016 0.346 0.545
 Duodenal loop, cm 21.56 21.31 21.57 21.41 0.451 21.56 21.36 21.43 21.49 0.662 0.902 0.924
Day 21, Relative
 Pancreas, g/kg BW 3.10b 3.04b 4.78a 3.17b 0.128 3.94 3.11 3.07 3.97 <0.001 <0.001 <0.001
 Liver, g/kg BW 30.44 27.96 31.06 28.46 0.781 30.75 28.21 29.20 29.76 0.004 0.485 0.942
 Duodenal loop, cm/kg BW 24.37 23.49 23.93 23.91 0.699 24.15 23.70 23.93 23.92 0.530 0.990 0.521
N 8 8 8 8 16 16 16 16

a,bMeans within the same row with different superscripts are significantly different (P < 0.05).

Abbreviations: P, protease; TI, trypsin inhibitor.