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

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

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 (t^1/2 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 %	79.5^a	82.0^a	74.0^c	0.609	< 0.001
OMD %	81.8^b	86.6^a	80.3^c	0.379	< 0.001
Gas production (mL/g)	221^a	233^a	184^b	5.34	< 0.001
Gas production (mL/g DDM)	278	284	246	6.43	0.152
Gas production (mL/g DOM)	297^a	300^a	254^b	6.45	0.012
Methane production (mL/g DM)	50.8^a	29.8^c	34.0^b	1.64	< 0.001
Methane production (mL/g DDM)	63.9^a	36.3^c	45.9 ^b	2.11	< 0.001
Methane production (mL/g DOM)	68.3^a	38.3^c	47.0^b	0.809	< 0.001
Partitioning factor (g/mL)	3.36^a	3.33^a	3.94^b	0.016	< 0.001

Means bearing different superscript (^{a, b, c}) differ significantly
CFB1 Concentrate mixture + Vigna sinensis hay (70:30), CFB2 Concentrate mixture + Acacia nilotica leaves (70:30), CFB3 Concentrate mixture + Ziziphus nummularia leaves (70:30)

ISSN: 2055-0391