TABLE 10.

Effects of B. licheniformis and enramycin on alpha diversity of cecal microbiota of 25-day-old broilers challenged with SNE.

Items	PC	PA	PG	SEM	P values
ACE	417.1	365.8	393.1	15.123	0.407
Chao1	423.6	384.7	397.5	19.036	0.280
Simpson	0.115	0.126	0.101	0.019	0.870
Shannon	3.46	3.21	3.40	0.167	0.746

Data are presented as means ± SEM (n = 6; cage was used as experimental unit). PC, basal diet + SNE; PA, basal diet extra antibiotics + SNE; PG, basal diet extra B. licheniformis + SNE. Means within a row lacking a common superscript differ significantly (P < 0.05).