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. 2017 Jan 5;17:6. doi: 10.1186/s12866-016-0915-0

Fig. 5.

Fig. 5

Evolution of diarrhea scores (mean ± standard deviation [SD]) in pigs challenged or not with an ETEC: F4 strain. Challenge was performed at d0 and treatment with colistin sulfate at the dose of 50, 000 IU/kg was started at d1 (24 h post challenge) and continued twice daily for 5 days. For each sampling time, means with different letters on a given day are statistically different. At d-1 and d36, there was no significant difference between groups