Table 2. Microbial diversity at genus level in cecum content of suckling piglets treated with two different doses of yeast or water.

Data are reported as Relative abundance (%).

Genus	Treatments1				Total		Control vs Low Yeast		Control vs High Yeast
	Control	Low dose Yeast	High dose Yeast	SE	P-values	P-values adj.	P-values	P-values adj.	P-values	P-values adj.
Prevotella	5.24	0.46	3.07	0.04	0.006	0.083	0.003	0.177	0.235	0.762
Unclassified Lachnospiraceae	1.32	0.60	1.56	0.02	0.014	0.084	0.015	0.155	0.578	0.835
Oscillospira	3.47	1.18	1.50	0.03	0.005	0.085	0.016	0.137	0.029	0.741
Dorea	0.42	0.08	0.12	0.01	0.014	0.090	0.042	0.275	0.075	0.646
Veillonella	0.04	0.01	0.00	0.00	0.013	0.100	0.108	0.561	0.042	0.731
Acidaminococcus	0.02	0.00	0.01	0.00	0.004	0.109	0.013	0.169	0.279	0.605
Unclassified Peptostreptococcaceae	0.11	0.02	0.10	0.01	0.023	0.118	0.012	0.207	0.788	0.976
Clostridium	0.16	0.06	0.01	0.01	0.003	0.167	0.241	0.570	0.053	0.684
Ruminococcus	2.92	1.85	2.06	0.03	0.059	0.218	0.126	0.595	0.092	0.599
Blautia	0.26	0.66	0.80	0.02	0.059	0.235	0.071	0.411	0.007	0.388
Collinsella	2.71	11.97	2.54	0.06	0.131	0.358	0.027	0.199	0.919	1.039
Pseudoramibacter_Eubacterium	0.01	0.04	0.04	0.00	0.232	0.548	0.150	0.601	0.077	0.570
Roseburia	0.00	0.01	0.03	0.00	0.281	0.561	0.457	0.609	0.073	0.762

¹Treatment: Control = no yeast; Low yeast = 5 x 10⁹ cfu; High yeast = 2.5 x 10¹⁰ cfu of live S. cerevisiae per pig every other day. The number of piglets per group were respectively: 13 in Control; 15 in Low yeast; 16 in High yeast