Table 3
In vitro fermentation constants, degradability and methane production of complete feed block (CFB)

AttributesCFB1CFB2CFB3SEMSignificance (P value)
Fermentation kinetics
 Potential Gas Production (ml/200 mg DM)61.961.455.41.0960.031
 Rate Constant (c)0.0590.0640.0600.0050.082
 Half time (t1/2 h)11.710.811.61.121.121
 Lag phase (h)1.693.233.751.6070.094
Degradability and methane production
 DMD %79.5a82.0a74.0c0.609< 0.001
 OMD %81.8b86.6a80.3c0.379< 0.001
 Gas production (mL/g)221a233a184b5.34< 0.001
 Gas production (mL/g DDM)2782842466.430.152
 Gas production (mL/g DOM)297a300a254b6.450.012
 Methane production (mL/g DM)50.8a29.8c34.0b1.64< 0.001
 Methane production (mL/g DDM)63.9a36.3c45.9 b2.11< 0.001
 Methane production (mL/g DOM)68.3a38.3c47.0b0.809< 0.001
 Partitioning factor (g/mL)3.36a3.33a3.94b0.016< 0.001