Table 5 Effects of L-Leu on the relative abundances of the rumen bacterial community at phylum and species in beef cattle (n = 6)

Dominant at phylum (top 5), %

 Bacteroidota

52.50

49.12

1.939

0.410

 Bacillota

40.05

42.56

2.124

0.580

 Pseudomonadota

2.06

2.19

0.274

0.831

 Spirochaetota

1.16

1.48

0.205

0.452

 unclassified_d__Bacteria

1.09

1.08

0.030

0.876

Differential (top 3), %

 Planctomycetota

0.05^a

0.09^b

0.009

0.031

 Candidatus_Melainabacteria

0.006^a

0.013^b

0.001

0.013

 Myxococcota

0.003^a

0.002^b

0.001

0.032

Dominant at species (top 5), %

 Bacteroidales-bacterium

17.56

16.63

0.918

0.638

 Prevotella_sp.

15.55

13.93

1.269

0.548

 Paludibacteraceae_bacterium

7.09

7.72

1.288

0.820

 Clostridia_bacterium

6.88

7.53

0.306

0.308

 Lachnospiraceae_bacterium

6.35

6.00

0.292

0.571

Differential (top 3), %

 Mammaliicoccus_sciuri

0.31^a

0.15^b

0.036

0.024

 unclassified_g__Mammaliicoccus

0.20^a

0.10^b

0.024

0.026

 Prevotellaceae_bacterium

0.10^a

0.06^b

0.007

0.002