Table 2.

Relative abundance of the dominant phyla and genera in the cecum of the high and low FE groups of male and female chickens.

Phylum (%)	Male		Female		Genus (%)	Male		Female
	HFE	LFE	HFE	LFE		HFE	LFE	HFE	LFE
Bacteroidetes	55.08	58.03	48.23	49.86	Bacteroides	22.10	24.41	18.39	21.54
Firmicutes	20.89	19.32	22.93	25.98	Prevotella	7.52	7.02	4.30	4.74
Proteobacteria	4.48	3.43	4.74	4.08	Alistipes	4.70	4.41	8.01	6.18
Actinobacteria	1.65	1.06	1.71	2.18	Muribaculum	2.29	3.42	1.42	1.46
Verrucomicrobia	0.32	0.35	0.99	0.64	Lactobacillus	2.35	0.94	3.43	1.12
Spirochaetes	0.29	0.47	0.94	0.25	Megamonas	1.14	0.81	0.83	1.94
Euryarchaeota	0.38	0.87	1.08	0.81	Blautia	1.42	1.68	1.37	2.54
Fusobacteria	0.05	0.15	0.64	0.11	Lachnoclostridium	1.55	1.34	1.80	2.15
Synergistetes	0.83	0.99	0.91	1.18	Parabacteroides	2.14	1.96	1.21	1.75
Elusimicrobia	0.3	0.08	0.24	0.25	Mediterranea	2.04	2.42	1.82	1.55
Others	15.72	15.25	17.57	14.67	Others	52.74	51.60	57.42	55.03

HFE and LFE denote high feed efficiency and low feed efficiency, respectively.