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Outline of procedures for identifying Shiga toxin-producing Escherichia coli in fecal samples and carcass swabs. VRB-MUG — violet red bile agar containing 50 mg/L of 4-methylumbelliferyl-β-d-glucuronide; TSI — triple sugar iron; A/A — acid/acid-reacting; BHI — brain–heart infusion; BPW — buffered peptone water; PCR — polymerase chain reaction; stx1 — Shiga toxin 1; stx2 — Shiga toxin 2; MAC — MacConkey.
