Fig. 5

a Comparisons of the total abundance of CAZymes genes of rumen microbiomes of lambs in the CON and ST groups by the Mann−Whiney U test (n = 4 per group). b Comparisons of the relative abundance of the CAZymes gene families of the rumen microbiomes of lambs in the CON and ST groups (n = 4 per group). c Comparisons of the gene abundance of the GH family gene-coded amylolytic enzymes in the rumen of lambs in the CON and ST groups (n = 4 per group). *p < 0.05. d Phylogenetic distribution of sequences in GH13 assigned to the identified phylum and genus