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Fecal shedding of E. coli strains from six sheep inoculated with a cocktail containing five strains given at a dose of 1010 CFU/strain/animal (treatment 1). Lines represent the means for each strain. (A) Strains STEC 86-24 and STEC 3081; (B) strains ETEC 2041, ETEC 637, and EPEC E2348/69.
