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Table 1 Strain origin and pulsotype (as determined by CDC PulseNet PFGE protocol) of isolates obtained during monitoring sampling of an industrial slaughterhouse over a four weeks period

From: Genomic characterization of Listeria monocytogenes isolates reveals that their persistence in a pig slaughterhouse is linked to the presence of benzalkonium chloride resistance genes

Isolates ST ID
(PFGE typea)
Isolate characteristicsb Isolation dates (visit) Origin
p960    2011-02-26 (1) Viscera tank
p962    2011-02-26 (1) Chilling door
p958   Persistent Group A 2011-02-26 (1) Saw
p975 ST9 (16)   2011-03-19 (2) Saw
p985    2011-03-27 (3) Saw
p984    2011-03-27 (3) Bleeding
p963     
p974     
p964 ST5 (1)   2011-02-26 (1)  
p966     
p967     
p965     
p968     
p971     meat conveyor
p972 ST5 (1) Persistent Group B 2011-03-19 (2)  
p969     
p970     
p973     
p980     
p977     
p978 ST5 (1)   2011-03-27 (3)  
p979     
p981     
p982     
lis8316 ST5 (1)   2014-01-12  
p959 ST5(10)   2011-02-26 (1) Line
p961 ST9(18)   2011-02-26 (1) Chilling entry
p957 ST1(8) Sporadic Group C 2011-02-26 (1) Saw
p976 ST5(9)   2011-03-19 (2) Floor
p983 ST6(6)   2011-03-27 (3) Door
  1. aPFGE type corresponds to the Chaire de recherche en salubrité des viandes (CRSV) nomenclature [12]
  2. bPersistent vs sporadic groups determined by PFGE