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. 2013 Feb 6;8(2):e55728. doi: 10.1371/journal.pone.0055728

Figure 3. Super-shedders increase the total number of E. coli O157 in pens with high density.

Figure 3

(A) The total number of E. coli O157 was calculated from individual animals in the five pens. Super-shedders increased the total number of E. coli O157 in the pens (pen 13, 14, and 17), and the average number of E. coli O157 was 100 fold less when a super-shedder was not identified in the pens (pen 15 and 16). The results are represented as mean ± SEM. (B) The percentage of E. coli O157 shed from super-shedders in the pens. Black bars represent the percentage of E. coli O157 isolated from super-shedders and white bars represent the percentage of E. coli O157 from non super-shedders.