Fig. 4

Cecal microbiological functions and differences. A. Composition and difference of pathway at first and second level; B. Differences of CARD between CK and EO; C. Differences of genes encoding CAZyme between CK and EO; CP, cellular processes; EP, environmental information processing; GP, genetic information processing; HD, human diseases; MB, metabolism and OS, organizational systems; CK, basal diet; EO, the same diet supplemented with 20Â g per steer/day oregano essential oil