Preliminary Study on the Effect of Bacillus amyloliquefaciens TL on Cecal Bacterial Community Structure of Broiler Chickens

Table 3

Differences in the abundance of nine bacterial genera among the control, antibiotic, and probiotic groups, as determined on day 14 (n = 7).

Taxa	Relative abundance			value
Genera	C	P	A	P vs. C	A vs. C	P vs. A
	(Mean% ± SD)	(Mean% ± SD)	(Mean% ± SD)
Faecalibacterium	8.3 ± 0.024	15.25 ± 0.039	14.57 ± 0.039	n.s.	n.s.	n.s.
Oscillospira	2.94 ± 0.002	3.79 ± 0.003	4.09 ± 0.005			n.s.
Butyricicoccus	1.88 ± 0.005	2.29 ± 0.002	1.75 ± 0.003	n.s.	n.s.	n.s.
Anaeroplasma	0.60 ± 0.001	1.13 ± 0.000	1.30 ± 0.001			n.s.
Ruminococcus	1.45 ± 0.002	1.37 ± 0.002	1.48 ± 0.002	n.s.	n.s.	n.s.
Bacteroides	3.92 ± 0.008	0.32 ± 0.003	0.31 ± 0.001			n.s.
Lactobacillus	0.68 ± 0.001	0.55 ± 0.002	1.08 ± 0.002	n.s.	n.s.	n.s.
Clostridium	1.07 ± 0.002	1.09 ± 0.002	0.96 ± 0.001	n.s.	n.s.	n.s.
Bilophila	1.34 ± 0.003	0.020 ± 0.000	0.0015 ± 0.000			n.s.

n.s. means not significant (); significant (). C = control group; A = chlortetracycline group; P = Bacillus amyloliquefaciens TL group.