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. 2022 Jan 27;8(1):26–41. doi: 10.3934/microbiol.2022003

Table 2. Gas yield and methane production of experimental diets under investigation.

Item	S1		S2		S3		Overall Mean	SEM	P value
Item	Mean	SE	Mean	SE	Mean	SE	Overall Mean	SEM	P value
Total gas yield, mlL0.2 g DM	20	0.32	17	0.53	18.4	1.03	18.5	0.55	0.06
Methane, mL/0.2 g DM	4.05^a	0.04	4.50^a	0.2	6.75^b	0.16	5.09	0.42	<0.0001
Methane/TG, %	20.27^a	0.37	26.49^b	0.35	36.73^c	0.55	27.83	2.4	<0.0001
CH4 energy, MJ/d	1.91^a	0.05	2.50^b	0.05	2.83^c	0.06	2.4	0.13	<0.0001
CH4 energy/GEI, %	10.32^a	0.26	12.51^b	0.28	16.03^c	0.54	12.95	0.85	<0.0001