Table 5. Alpha diversity indices.

Summary of ASVs number, bacterial diversity indices in the rumen of Barki sheep under investigation (Mean ± SE).

Diversity indices	Feeding systems			SEM	Mean	P value
	S1	S2	S3
Animal numbers	3	3	3	9	9	–
Sequence reads*	21,023	21,785	22,857	1,113	21,888	0.838
ASVs	1,517	2,146	2,479	242	2,047	0.292
Chao1	1,519	2,147	2,481	242	2,049	0.292
ACE	1,526	2,157	2,498	244	2,060	0.289
Shannon	5.34	6.85	7.07	0.3	6.4	0.008
Invsimpson	112	458	657	105	409	0.081
Fisher	254.8	471.5	572.3	63.5	432.9	0.095

Note:

^*Average/sample.