Comparison of KO levels in carbon metabolism modules of the microbiome in 10 GIT regions; a Z -score was used for correcting abundance. The comparison of the region-specific distributions of K01848 ( mcmA1 ) and K01026 ( pct ) between the F and G diets (ScheirerRayHare test; p Region x Diet < 0.05). EMP, embden-meyerhof-parnas; HMP, hexose monophosphate pathway; ED, Entner-Doudoroff pathway; SP, succinate pathway; AP, acrylate pathway; PP, propanediol pathway; PCP, propionyl-CoA to propionate; PAC, pyruvate to acetyl-CoA; ACP, acetyl-CoA to acetate; WLP, WoodLjungdahl pathway; BP, butyrate production; M, methanogenesis. RUM, rumen; RET, reticulum; OMA, omasum; ABO, abomasum; DUO, duodenum; JEJ, jejunum; ILE, ileum; CEC, cecum; COL, colon; REC, rectum