Table 5.

P-value distribution of 16S rDNA gene sequence libraries compared the abundance differences of microbial communities among samples from different segments for Cobb 500 Broiler chickens.

Class	P-Value
	Duodenum– Jejunum	Duodenum– Ileum	Ileum– Jejunum	Caecum– Duodenum	Caecum– Ileum	Caecum– Jejunum
Acidimicrobiia	0.025	0.146	0.862		0.180	0.039
Acidobacteriia	0.772	0.275	0.684	0.163	0.027	0.082
Actinobacteria	0.683	0.957	0.536	0.300	0.034	0.258
Alphaproteobacteria	0.193	0.628	0.918	0.002	0.038	0.003
Bacilli	0.005	0.018	0.879	0.001	0.002	0.001
Bacteroidia	0.836	0.785	0.892	0.099	0.054	0.073
Betaproteobacteria	0.825	0.513	0.370	0.096	0.284	0.020
Blastocatellia	0.351	0.367		0.349
Chitinophagia	0.345	0.363	0.954	0.304	0.084	0.168
Chlamydiia	0.351	0.493	0.591		1.000	0.356
Chloroflexia	0.351		0.377			0.356
Clostridia	0.804	0.143	0.080	0.000	0.000	0.000
Coriobacteriia	0.338	0.338	0.930	0.006	0.007	0.006
Cytophagia	0.757	0.910	0.703	0.349	0.335	0.265
Deinococci	0.537	0.841	0.482	0.059	0.335	0.334
Deltaproteobacteria	0.854	0.241	0.164	0.027	0.003	0.026
Erysipelotrichia	0.645	0.659	0.769	0.005	0.006	0.005
Fimbriimonadia	0.599	0.765	0.569	0.349	0.335	1.000
Flavobacteriia	0.769	0.306	0.014	0.290	0.505	0.006
Fusobacteriia	0.498	0.367	0.250	0.349		0.259
Gammaproteobacteria	0.491	0.535	0.777	0.228	0.110	0.004
Gemmatimonadetes	0.066		0.085			0.101
Negativicutes	0.781	0.958	0.666	0.811	0.816	0.766
Planctomycetia	0.124	0.243	1.000		0.505	0.259
Rubrobacteria	0.048	0.188	0.159	0.022	0.023	0.045
Sphingobacteriia	0.582	0.688	0.341	0.042	0.152	0.199
Thermoleophilia	0.023	0.124	0.689	0.015	0.049	0.015
Thermomicrobia	0.237	0.010	0.513		0.008	0.283
Tissierellia	0.677	0.810	0.447	0.131	0.215	0.192
Verrucomicrobiae	0.351	0.367		0.570	0.335	0.356
Unclassified	0.001	0.000	0.782	0.204	0.005	0.019