Table 2.

Spearman’s correlation coefficients and relative P-values between the relative abundances of core bacteria (at the family level) and SCFAs production in the jejunum of weaned piglets.

	Acetate		Propionate		Butyrate
	Correlation coefficient	P-value	Correlation coefficient	P-value	Correlation coefficient	P-value
Ruminococcaceae	-0.14	0.55	-0.45*	0.05	0.70**	<0.01
Lactobacillaceae	0.06	0.81	-0.29	0.43	0.53*	0.02
Lachnospiraceae	-0.63	0.79	0.50	0.16	-0.71**	<0.01
Clostridiaceae	0.10	0.69	-0.04	0.89	0.11	0.64
RF9_norank	0.14	0.54	0.08	0.75	-0.39	0.09
Acidaminococcaceae	-0.16	0.51	0.32	0.17	-0.34	0.14
S24-7	-0.31	0.18	0.25	0.30	-0.49	0.03
Erysipelotrichaceae	0.11	0.65	0.49*	0.01	-0.62**	<0.01
Prevotellaceae	0.17	0.47	-0.11	0.65	0.06	0.82
Clostridiales_xiii_incertaesedis	-0.18	0.48	0.05	0.85	-0.30	0.20

The correlation is expressed with the r coefficient. ^∗P < 0.05; ^∗∗P < 0.01.