Fig. 5

Correlation analysis of rumen microbiota and metabolites with reproductive hormones in reproduction period. A RDA analysis of microbiota and reproductive hormones and immune indicators. B Heat map analysis of microbial correlations with reproductive hormones and immune indicators. C Heat maps of correlations between metabolites and reproductive hormones and immune indicators. D Heat maps of SCFA correlation with reproductive hormones and immune markers. Note: *P < 0.05, **P < 0.01, ***P < 0.001