Fig. 5

Combined analysis of metagenome and metabolome. (A) O2PLS analysis of the metagenome and metabolome; (B) Target metabolite and microorganism correlation analysis; (C) Correlation analysis of growth performance, metabolites, and microorganisms. CCK: castrated bulls with basal diet group; CEO: castrated bulls with the same diet adding to 20 g per steer/day oregano essential oil (n = 6)