For bacterial enumeration, selective media such as
cefixime–tellurite containing Sorbitol-MacConkey (CT-SMAC) agar for
E. coli O157:H7, Xylose–Lysine–Deoxycholate (XLD) for S. Typhimurium
and Enteritidis, and modified Oxford (MOX) agar plates for Listeria were
used. All media were purchased either from Acumedia (Lansing, MI),
EMD Chemicals, Inc.