Preliminary Study on the Effect of Bacillus amyloliquefaciens TL on Cecal Bacterial Community Structure of Broiler Chickens
Table 4
Difference in the abundance of nine bacterial genera among the control, antibiotic, and probiotic groups, as determined on day 21 (in the antibiotic group, n = 7; in the probiotic and control groups, n = 8).
Taxa
Relative abundance
value
Genera
C
P
A
P vs. C
A vs. C
P vs. A
(Mean% ± SD)
(Mean% ± SD)
(Mean% ± SD)
Faecalibacterium
7.44 ± 0.010
6.61 ± 0.011
7.56 ± 0.015
n.s.
n.s.
n.s.
Bacteroides
20.24 ± 0.016
2.55 ± 0.018
1.02 ± 0.005
n.s.
Oscillospira
1.34 ± 0.002
3.19 ± 0.004
2.65 ± 0.001
n.s.
Parabacteroides
2.82 ± 0.008
0.0097 ± 0.010
0.013 ± 0.000
n.s.
Ruminococcus
0.82 ± 0.000
1.62 ± 0.002
1.69 ± 0.003
n.s.
Butyricicoccus
0.62 ± 0.002
1.74 ± 0.002
1.51 ± 0.002
n.s.
Mucispirillum
1.43 ± 0.005
0.117 ± 0.001
0.0125 ± 0.000
Anaeroplasma
0.09 ± 0.000
1.21 ± 0.004
1.07 ± 0.004
n.s.
Lactobacillus
5.11 ± 0.010
0.36 ± 0.002
0.906 ± 0.002
n.s.
n.s. means not significant (); significant (). C = control group; A = chlortetracycline group; P = Bacillus amyloliquefaciens TL group.
