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Table 1 STEC isolates recovered from different chromogenic agars

From: High prevalence of non-O157 Shiga toxin-producing Escherichia coli in beef cattle detected by combining four selective agars

Agars No. of samples with STEC isolates (%) No. of STEC isolates stx1 (%) stx2 (%) stx1 + stx2 (%)
MAC 29 (24.2) 31 1 (3.2) 10 (32.3) 20 (64.5)
CH-ECC 29 (24.2) 32 1 (3.2) 10 (31.3) 21 (65.6)
RBA-NT 71 (59.2) 91 29 (31.9) 34 (37.4) 28 (30.8)
CH-STEC 57 (47.5) 73 22 (30.1) 31 (42.5) 20 (27.4)
Total 87 (72.5) 126a 31a 45a 50a
  1. aNumber of STEC isolates selected for further analyzing. MAC, MacConkey; CH-ECC, CHROMagar™ ECC, RBA-NT, modified Rainbow® Agar O157; CH-STEC, CHROMagar™ STEC