Fig. 2

Caecal microbiota composition of ESBL-Ec− and ESBL-Ec+ broilers. a–b Relative abundance of bacterial phyla of ESBL-Ec− and ESBL-Ec+ broilers from day 3–28. c–d Relative abundance of the top ten genera of ESBL-Ec− and ESBL-Ec+ broilers. The relative abundance of each phylum and genus is shown in decreasing order from bottom to top