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Figure 7 | BMC Veterinary Research

Figure 7

From: Vaccination with attenuated Salmonella enterica Dublin expressing E coli O157:H7 outer membrane protein Intimin induces transient reduction of fecal shedding of E coliO157:H7 in cattle

Figure 7

Magnitude and duration of fecal shedding of E. coli O157:H7. Magnitude (median of each group, CFU/gram of feces) and duration of fecal shedding post-challenge with E. coli O157:H7 were calculated quantitatively by direct plating as well as by enrichment culture following oral challenge with E. coli O157:H7 during the 30 days post challenge. Specimens containing less than the detection limit (E. coli O157:H7 found only by enrichment) were assigned a value of 10. Negative specimens were assigned a value of 1. Samples too numerous to count (TNTC) were considered to contain the maximum number counted.

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