Table 6.

Spearman rank-test correlation coefficients (r_s) for ASVs and calf performance, immune status, and fecal scores.

	Average daily gain			Serum total protein			Serum IgG concentration			Fecal score
Genus	All	Diarrheic	Healthy	All	Diarrheic	Healthy	All	Diarrheic	Healthy	All	Diarrheic	Healthy
Bifidobacterium	NS	NS	NS	NS	NS	NS	NS	NS	NS	−0.58***	NS	NS
Escherichia-Shigella	NS	NS	NS	NS	NS	NS	NS	NS	NS	0.31	NS	NS
Alloprevotella	NS	NS	NS	NS	NS	NS	−0.35*	NS	NS	0.61***	NS	NS
Collinsella	NS	NS	NS	NS	NS	NS	NS	NS	NS	−0.43*	NS	NS
Peptostreptococcus	NS	NS	−0.47	−0.45**	−0.42	−0.57*	−0.35*	−0.43	NS	0.39*	NS	NS
Prevotella	NS	NS	NS	−0.37**	NS	−0.46	−0.37*	−0.38	NS	0.33	NS	NS
Prevotella_9	NS	NS	NS	NS	NS	NS	−0.27	NS	NS	0.52***	NS	NS
Ligilactobacillus	NS	NS	NS	NS	NS	NS	−0.28	NS	NS	0.56***	NS	NS
Phascolarctobacterium	NS	NS	NS	NS	NS	NS	NS	NS	NS	0.38*	NS	NS
ASV 25 (Family-Prevotellaceae)	NS	NS	NS	NS	NS	NS	NS	NS	NS	0.42*	NS	NS
Prevotella_7	NS	NS	NS	0.37*	0.43	0.47	0.46**	0.51*	NS	−0.57***	NS	NS
Lachnospiraceae UCG-004	NS	NS	NS	NS	NS	NS	NS	NS	0.40	0.36*	NS	NS
Faecalicoccus	NS	NS	NS	0.31	0.45	NS	0.40*	0.49*	NS	−0.54***	NS	NS
ASV 58 (Family Ruminococcaceae)	NS	NS	0.42	0.27	NS	NS	0.35*	0.44	NS	−0.58***	NS	NS
Erysipelatoclostridium	NS	NS	NS	NS	NS	0.42	NS	NS	NS	−0.45**	NS	NS
Desulfovibrio	NS	0.55*	NS	NS	NS	NS	0.32	0.43	NS	−0.34	NS	NS
Akkermansia	NS	NS	NS	NS	NS	NS	0.30	0.43	NS	−0.41*	NS	NS
Flavonifractor	NS	NS	NS	0.31	NS	NS	NS	NS	NS	−0.54***	NS	NS
ASV 91 (Phylum: Bacillota)	NS	NS	NS	0.37*	NS	0.59*	0.33	0.40	NS	−0.46**	NS	NS
Allisonella	NS	NS	NS	NS	NS	NS	NS	NS	NS	0.50**	NS	NS
Dialister	NS	NS	NS	NS	NS	NS	NS	NS	NS	−0.40*	NS	NS
Lachnospiraceae FCS020 group	NS	NS	0.53*	0.38*	NS	0.49°	NS	NS	NS	0.38*	NS	NS
Intestinibacter	NS	NS	NS	NS	NS	NS	NS	NS	NS	−0.50**	NS	NS
Butyricimonas	NS	NS	NS	NS	NS	NS	0.30	NS	NS	−0.37*	NS	NS

NS; Not statistically significant (P > 0.05); No annotation-p ≤ 0.05. ^*p ≤ 0.01. ^**p ≤ 0.001. ^***p ≤ 0.0001.