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Table 1 Chemical and polyphenol constituents (g/kg dry matter) of roughage components and complete feed block (CFB)

From: In vitro rumen fermentation kinetics, metabolite production, methane and substrate degradability of polyphenol rich plant leaves and their component complete feed blocks

Constituents Vigna sinensis hay Acacia nilotica leaves Ziziphus nummularia leaves CFB 1 CFB 2 CFB 3
DM 892 902 865 888 902 899
OM 882 876 874 909 896 902
Ash 118 124 126 91 104 97.8
CP 144 145 140 153 155 150
EE 25.4 25.7 32.1 52.1 53 54.8
NDF 608 695 657 374 400 389
ADF 451 468 473 252 257 259
ADL 108 124 196 60.4 65 86.6
Hemicellulose 157 227 184 122 143 130
Cellulose 343 344 277 192 192 172
Total phenols 3.9 163 52.5 2.7 45.2 16.3
Total tannin phenols 2.9 148 31.1 2.1 40.4 9.4
Non-tannin phenols 1 15 21.4 0.6 4.8 6.9
Condensed tannins 1.2 7.9 28.3 1.8 2.3 8.2
Hydrolysable tannins 1.7 140.1 2.8 0.3 38.1 1.2
  1. CFB1 Concentrate mixture + Vigna sinensis hay (70:30), CFB2 Concentrate mixture + Acacia nilotica leaves (70:30), CFB3 concentrate mixture + Ziziphus nummularia leaves (70:30)