Table 3.

Effect of dietary copper levels on the richness and diversity of fecal microbiota in suckling piglets (mean ± SD)

Items	Cu supplementation, mg kg−1 diet			SEM	P value
	LC (6)	CON (20)	HC (300)
Reads	37,303.73 ± 3732.58	36,596.09 ± 4675.63	35,454.42 ± 4924.50	758.09	0.61
OTUs	628.00 ± 75.80	580.27 ± 33.92	627.08 ± 60.39	10.58	0.11
ACE	728.43 ± 84.56	681.21 ± 44.48	734.80 ± 58.55	11.49	0.12
Chao1	742.31 ± 79.03	684.11 ± 55.32	744.85 ± 63.08	12.06	0.07
Shannon	4.70 ± 0.25	4.59 ± 0.12	4.64 ± 0.28	0.04	0.51
Simpson	0.022 ± 0.008	0.023 ± 0.005	0.025 ± 0.010	0.001	0.71