. 2021 Apr 27;100(8):101224. doi: 10.1016/j.psj.2021.101224

Table 4.

Differences in α-diversity indices in ileal microbiota of broilers fed the NC diet or 150 mg/kg of Cu from CuSO₄ and Cu₂O at d 42.¹

	NC	CuSO₄, mg/kg	Cu₂O, mg/kg	SEM	P-value
Item		150	150
Shannon	1.41^B	1.62^B	2.13^A	0.13	0.003
Simpson	0.57^B	0.65^AB	0.81^A	0.05	0.007
Invsimpson	3.01^b	3.30^ab	4.99^a	0.54	0.030

Abbreviation: NC, negative control.

^a-b Means with different superscripts within a row indicate significant differences (P ≤ 0.05).

Data are means of 12 replicates per treatment.