Table 7.

The differential genera that were separately correlated with growth performance, blood metabolites, antioxidant status, and intestinal morphology in 42-day-old broiler chickens by using the Spearman's correlation analyses (n = 5).

Genus	Performance1	Correlation coefficient	P-value
Alistipes	CAT (serum)	−0.491729323	0.028
Alistipes	Triglyceride	0.449718312	0.047
Alistipes	CAT (liver)	−0.469172932	0.037
Alistipes	Duodenum Vh/Cd	−0.454135338	0.044
Alistipes	Duodenum Cd	0.481203008	0.032
Alistipes	ROS (breast muscle)	0.461654135	0.04
Barnesiella	ROS (serum)	0.491729323	0.028
Barnesiella	MDA (serum)	0.552295115	0.012
Barnesiella	GSH-Px (liver)	−0.568421053	0.009
Mucispirillum	Ca	0.518448942	0.019
Mucispirillum	Jejunum Cd	−0.562617565	0.01
Mucispirillum	Jejunum Vh/Cd	0.516735651	0.02
Bacillus	CAT (serum)	0.518689418	0.019
Bacillus	SOD (serum)	0.598530933	0.005
Bacillus	F: G (1–42 days)	−0.46666282	0.038
Bacillus	TBIL	−0.580175398	0.007
Bacillus	LDL-C	−0.596165198	0.006
Bacillus	Ca	0.531902155	0.016
Bacillus	Duodenum Vh	0.625895742	0.003
Bacillus	Duodenum Vh/Cd	0.499770655	0.025
Bacillus	SOD (breast muscle)	0.611706669	0.004
Bacillus	GSH-Px (breast muscle)	0.65585045	0.002
Peptococcus	TBIL	−0.456999133	0.043
Peptococcus	LDL-C	−0.450993047	0.046
Peptococcus	Ca	0.562620313	0.01
Anaerofilum	CAT (serum)	−0.481203008	0.032
Sutterella	Mg	0.446032375	0.049
Gallibacterium	ROS (serum)	−0.498499154	0.025
Gallibacterium	LDL-C	0.486560546	0.03
Gallibacterium	Mg	0.464581954	0.039
Gallibacterium	Cecum Cd	0.478801619	0.033
Odoribacter	ADG (1–42 days)	0.479699248	0.032
Odoribacter	42 d BW	0.479699248	0.032

¹ADG, average daily gain; FCR, feed conversion ratio; TBIL, total bilirubin; LDL-C, low-density lipoprotein cholesterol; ROS, reactive oxygen species; MDA, malondialdehyde; SOD, superoxide dismutase; CAT, catalase; GSH-Px, glutathione peroxidase; Vh, villus height; Cd, crypt depth; Vh/Cd, villus height to crypt depth ratio.