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Table 8 Effect of enzyme1 supplementation in poultry diet on intestinal histomorphology

From: Supplementation of amylase combined with glucoamylase or protease changes intestinal microbiota diversity and benefits for broilers fed a diet of newly harvested corn

Treatments Duodenum Jejunum
Villus height, μm Crypt depth, μm V/C Villus height, μm Crypt depth, μm V/C
16 d 23 d 16 d 23 d 16 d 23 d 23 d 23 d 23 d
Control 1189a 1542 280 241 4.42a 6.60b 943 194 5.43
Enzyme A 1774b 1822 296 257 6.43b 7.31ab 1050 207 5.29
Enzyme B 1717 b 1648 254 267 7.08b 6.47b 953 211 4.93
Enzyme C 1736b 1768 268 250 7.06b 7.51ab 977 218 4.66
Enzyme D 1828b 1875 275 271 7.02b 7.39ab 880 195 4.82
Enzyme E 1894b 1816 257 212 7.68b 8.89a 1037 182 5.92
SEM 49.2 37.8 9.3 7.1 0.260 0.238 19 5.8 0.195
P-value < 0.001 0.092 0.817 0.185 0.002 0.041 0.089 0.515 0.468
  1. 1Enzyme A (1,500 U/g α-amylase); Enzyme B (Enzyme A + 300 U/g amylopectase + 20,000 U/g glucoamylase); Enzyme C (Enzyme B + protease 10,000 U/g); Enzyme D (Enzyme C + 15,000 U/g xylanase); Enzyme E (Enzyme D + 200 U/ g cellulase + 1,000 U/g pectinase), respectively