Table 3. Number of ASVs and alpha diversity indices of methanogenic community in the rumen of sheep under different diets (Mean ± SE).

Index	S1		S2		S3		Overall Mean	SEM	P value
	Mean	SE	Mean	SE	Mean	SE
AVSs	65	10.7	46	7.8	65	14.3	58.5	6.4	0.461
Chao1	65	10.5	46	7.8	65	14.3	58.7	6.4	0.453
Shannon	2.5	0.2	2.07	0.4	2.5	0.56	2.4	0.2	0.650
InvSimpson	8	1.7	5.3	2.1	8.9	4.4	7.4	1.6	0.687