TABLE 6.

Differentially abundant families in the ileal, cecal, and colonic chicken microbiota between the Control group and the BBR group that received a diet supplemented with 1 g berberine/kg feed for 21 days posthatch^a

Phylum	Class	Order	Family	Mean relative abundance (%)		Log2 fold change	Adjusted P value
				Control	BBR
Ileum
Firmicutes	Clostridia	Clostridiales	Peptostreptococcaceae	5.348	0.010	−6.34	<0.001
Cecum
Firmicutes	Clostridia	Clostridiales	Peptostreptococcaceae	0.531	0.000	−4.50	<0.001
Colon
Firmicutes	Clostridia	Clostridiales	Clostridiales vadinBB60 group	0.041	1.366	4.31	0.003
Firmicutes	Clostridia	Clostridiales	Peptostreptococcaceae	22.708	0.009	−9.86	<0.001

^aThe taxonomic classification, the mean relative abundance and the log₂ fold change (BBR/Control) of the LinDA normalized abundance of each family are shown. Only families with P < 0.05 and |log2 fold change| >1.5 were considered biologically relevant and were included. No differentially abundant families (P < 0.05) between groups were found in the jejunum.