Fig. 3

Results of metagenomic sequencing of the rumen bacteria in the CON and Leu (n = 6). A Differences in bacterial phylum levels. B Differences in bacterial species levels. C The significantly differential microorganisms based on the linear discriminant analysis effect size (LEfSe) cladogram in metagenomic sequencing. The differences are represented by the color of the group, “CON” means basal diet group (A1–A6); “Leu” means basal diet supplementation with 6.0 g L-Leu/100 kg BW/d group (B1–B6)