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. 2021 Mar 31;20:78. doi: 10.1186/s12934-021-01568-5

Fig. 1.

Fig. 1

Operational taxonomic units (OTUs) and sample feasibility analysis. Venn diagrams show unique and shared bacterial OTUs in jejunum (a) the jejunum in control group; (c) the jejunum in milk replacer-treated group) and cecum (b) the cecum in control group, (d) the cecum in milk replacer-treated group). Venn diagrams for core OTUs distribution in all the jejunum (e) and cecum (f). Rank-Abundance (g) and rarefaction curves (h, i) were used for the assessment of sequencing depth. Each color-curve represents a sample. B15.2, B25.2, B45.2 and B75.2 represent the jejunum in the control group on the days 15, 25, 45 and 75, respectively. B15.4, B25.4, B45.4 and B75.4 represent the cecum in the control group on the days 15, 25, 45 and 75, respectively. R15.2, R25.2, R45.2 and R75.2 indicate the jejunum in the milk replacer-treated group on the days 15, 25, 45 and 75, respectively. R15.4, R25.4, R45.4 and R75.4 indicate the cecum in the milk replacer-treated group on the days 15, 25, 45 and 75, respectively