Correlation analyses between the relative abundances of bacteria genera and ruminal fermentation parameters.

Only genera with abundances significantly associated with ruminal VFA, propionate and acetate concentrations are presented. Green represents a negative correlation between the abundance of the species and the ratio (r<−0.4), and red represents a positive correlation (r>0.4, 0.01<P< = 0.05 *; 0.001<P≤0.01 **; P≤0.001 ***; Values with a significant correlation followed by superscripted asterisks differ).