Successional changes in the chicken cecal microbiome during 42 days of growth are independent of organic acid feed additives

Table 1 Results of permutational MANOVA conducted with the adonis function in R

	Degrees of freedom	Sum of squares	Mean squares	F. model	R ²	Pr (>F)
Time	1	3.457	3.457	8.986	0.0912	0.0001
Treatment	3	1.137	0.379	0.985	0.0300	0.4935
Time:Treatment	3	1.019	0.340	0.883	0.0269	0.8455
Residuals	84	32.310	0.385		0.8520
Total	91	37.922			1.0000

Comparisons were made using OTU-level classification of the sequencing reads for each bird and 10,000 permutations. Only the effect of time on community composition was significant (p < 0.0001). Taxonomic classifications of sequences against the RDP or Silva databases gave equivalent results.

ISSN: 1746-6148