Table 6.

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

Class	P-Value
	Day 5–15	Day 5–25	Day 5–35	Day 15–25	Day 15–35	Day 25–35
Acidimicrobiia	0.105	0.277	0.360	0.763	0.826	0.749
Acidobacteriia	0.330	0.302	0.159	0.075	1.000	0.023
Actinobacteria	0.654	0.055	0.223	0.069	0.220	0.716
Alphaproteobacteria	0.438	0.602	0.780	0.955	0.121	0.637
Bacilli	0.835	0.536	0.582	0.699	0.748	0.932
Bacteroidia	0.766	0.522	0.907	0.099	0.729	0.171
Betaproteobacteria	0.054	0.432	0.020	0.473	0.216	0.645
Blastocatellia	0.333	0.339	0.360
Chitinophagia	0.209	0.813	0.340	0.140	0.415	0.344
Chlamydiia	0.191			0.201	0.141
Chloroflexia	0.333	0.339	0.360
Clostridia	0.887	0.910	0.854	0.956	0.938	0.957
Coriobacteriia	0.578	0.664	0.681	0.685	0.919	0.732
Cytophagia	0.023	0.241		0.024	0.021	0.249
Deinococci	0.333	0.491	0.235	0.431	0.257	0.201
Deltaproteobacteria	0.152	0.765	0.693	0.124	0.318	0.490
Erysipelotrichia	0.521	0.699	0.815	0.330	0.680	0.718
Fimbriimonadia	0.125	0.491		0.174	0.095	0.499
Flavobacteriia	0.888	0.637	0.636	0.738	0.615	0.583
Fusobacteria			0.317		0.335	0.321
Gammaproteobacteria	0.068	0.865	0.531	0.101	0.682	0.510
Gemmatimonadetes	0.119	0.250	0.783		0.373	0.370
Negativicutes	0.658	0.509	0.042	0.267	0.035	0.172
Planctomycetia	0.119	1.000	0.250	0.234		0.249
Rubrobacteria	0.516	0.547	0.929	0.865	0.712	0.707
Sphingobacteriia	0.507	0.576	0.940	0.613	0.550	0.692
Thermoleophilia	0.754	0.782	0.746	0.950	0.860	0.903
Thermomicrobia	0.956	0.750	0.557	0.787	0.518	0.511
Tissierellia	0.714	0.733	0.191	0.937	0.225	0.243
Verrucomicrobiae	0.287			0.288	0.277
Unclassified	0.875	0.701	0.870	0.843	0.844	0.712