TABLE 1.

Observed recovery of E. coli O26 by culture on TBX after IMS from inoculated bovine feces

Concn of inoculated E. coli O26 in feces (CFU g−1)	No. of positive subsamples/no. tested	% Positive subsamples
1.6 × 10−1 to 8.4 × 10−1	5/36	14
1.6 × 100 to 8.4 × 100	3/34	9
1.6 × 101 to 8.4 × 101	7/36	19
1.6 × 102 to 8.4 × 102	18/35	51
1.6 × 103 to 8.4 × 103	21/35	60
1.6 × 104 to 8.4 × 104	29/34	85
1.6 × 105 to 8.4 × 105	33/36	92