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Table 3 In vitro fermentation constants, degradability and methane production of 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

Attributes CFB1 CFB2 CFB3 SEM Significance (P value)
Fermentation kinetics
 Potential Gas Production (ml/200 mg DM) 61.9 61.4 55.4 1.096 0.031
 Rate Constant (c) 0.059 0.064 0.060 0.005 0.082
 Half time (t1/2 h) 11.7 10.8 11.6 1.12 1.121
 Lag phase (h) 1.69 3.23 3.75 1.607 0.094
Degradability and methane production
 DMD % 79.5a 82.0a 74.0c 0.609 < 0.001
 OMD % 81.8b 86.6a 80.3c 0.379 < 0.001
 Gas production (mL/g) 221a 233a 184b 5.34 < 0.001
 Gas production (mL/g DDM) 278 284 246 6.43 0.152
 Gas production (mL/g DOM) 297a 300a 254b 6.45 0.012
 Methane production (mL/g DM) 50.8a 29.8c 34.0b 1.64 < 0.001
 Methane production (mL/g DDM) 63.9a 36.3c 45.9 b 2.11 < 0.001
 Methane production (mL/g DOM) 68.3a 38.3c 47.0b 0.809 < 0.001
 Partitioning factor (g/mL) 3.36a 3.33a 3.94b 0.016 < 0.001
  1. Means bearing different superscript (a, b, c) differ significantly
  2. CFB1 Concentrate mixture + Vigna sinensis hay (70:30), CFB2 Concentrate mixture + Acacia nilotica leaves (70:30), CFB3 Concentrate mixture + Ziziphus nummularia leaves (70:30)