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XbaⅠ-PFGE profiles, antimicrobial resistance pattern and MLST of all S. Typhimurium isolates. For PFGE, 36 isolates were divided into three subtypes according to an 85% similarity. A black box denotes resistance against specified antimicrobial, a gray box denotes intermediate resistance and a white box denotes susceptibility. Antimicrobial designations are detailed in Section 4.
