TABLE 2.

E. coli O157 in the GIT compartments and tissues of sheep

GIT sitesResultsa at day postinoculation:
71522283543b
Digesta and feces
    Rumen0c1/40000
    Abomasum000000
    Duodenum000000
    Lower Ileum2/400000
    Cecum2/42/40000
    Ascending colon1/42/40000
    Descending colon000001/3
    Feces4/43/42/42/42/41/3
Tissues
    Rumen1/400000
    Abomasum2/400000
    Duodenum2/400000
    Lower ileum2/400000
    Cecum2/400000
    Ascending colon2/400000
    Descending colon000000
    RectumNDdNDNDNDND1/3
  • a No. of culture-positive animals/no. of animals tested.

  • b Feed was withheld for 24 h prior to sampling.

  • c 0, all samples cultured negative for E. coli O157.

  • d ND, not determined.