. 2020 Apr 22;7:150. doi: 10.3389/fvets.2020.00150

Table 8.

Relative abundance of bacterial phyla treated with different feed supplements at (A) ceca and (B) cloacae of broiler chickens at 21 days of age¹.

Phylum	Control	Bacitracin	CP1	CP2	COH150	COH300	BP1	BP2	BOH150	BOH300	P-value
(A) Cecum (%)
Unassigned	0.24^{A, B, C}	0.20^{A, B, C, D}	0.34^A	0.26^{A, B}	0.23^{C, D, E}	0.11^{D, E}	0.13^{A, B, C}	0.08^E	0.19^{B, C, D, E}	0.06^E	0.001
Actinobacteria	0.11^{A, B, C}	0.19^A	0.15^{A, B}	0.14^A	0.11^c	0.06^C	0.03^{A, B, C}	0.03^{B, C}	0.03^C	0.04^c	0.003
Bacteroidetes	4.93	2.6	9.46	11.52	4.36	14.18	18.67	12.36	12.62	20.27	0.327
Cyanobacteria	0.2	1.05	0.22	0.09	0.11	0.24	0.16	0.18	0.05	0.16	0.46
Firmicutes	92.07	94.54	87.07	83.45	92.75	80.11	78.74	84.72	83.98	76.78	0.286
Proteobacteria	1.11	0.73	0.81	3.57	1.16	4.4	1.12	2.43	2.09	1.1	0.35
Tenericutes	1.33	0.69	1.95	0.97	1.27	0.9	1.15	0.2	1.04	1.59	0.087
(B) Feces (%)
Unassigned	0.36	0.31	0.25	0.25	0.19	0.42	0.34	0.17	0.25	0.13	0.07
Acidobacteria	0.01^B	0.00^B	0.00^B	0.00^B	0.00^B	0.00^B	0.03^B	0.01^B	0.02^B	0.12^A	0
Bacteroidetes	0.93	0.61	0.78	0.99	0.15	0.56	0.9	7.36	5.16	1.5	0.3
Cyanobacteria	0.23	0.11	0.21	0.78	0.38	0.41	0.21	1.06	0.51	0.28	0.32
Firmicutes	83.48	87.81	72.85	65.47	88.01	85.05	76.48	79.09	79.65	89.82	0.36
Proteobacteria	14.92	10.98	25.9	32.49	11.21	13.54	22.01	12.25	14.37	7.95	0.19
Tenericutes	0.06	0.16	0.02	0.02	0.06	0.01	0.03	0.04	0.03	0.19	0.09

n= 7 pens/treatment, 2 birds/pen: 14 birds/treatment.

^A−E

Means with different superscripts within a row differ significantly (P < 0.05).