TABLE 5.

Compilation of the E. coli O157:H7 culture status in the GIT compartments of steers over the course of an infection

Day postinoculationResultsa
RumenDuodenumFeces
16/66/66/6
24/43/44/4
35/63/66/6
6-71/62/66/6
104/60b4/6
13-141/601/6
161/600
20-21002/6
23-24001/4
27001/6
30001/2
34003/6
  • a No. of culture-positive animals/no. of animals tested. Data were compiled from Tables 3 and 4. Samples were considered positive if either nonenrichment or enrichment culture showed E. coli O157.

  • b 0 indicates that all samples cultured negative for E. coli O157.