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Table 1 Isolation frequency of Listeria from pig slaughter factory

From: Antimicrobial susceptibility, multilocus sequence typing, and virulence of listeria isolated from a slaughterhouse in Jiangsu, China

Sample type No. of samples No. of Listeria No. of positive samples (%)
Slaughter area (A) 80 L. monocytogenes (6)
L. innocua (1)
7 (8.75)
Cutting and deboning room (B) 80 L. monocytogenes (7)
L. innocua (2)
9 (11.25)
Visceral area (C) 80 L. monocytogenes (11)
L. innocua (1)
L. welshimeri (11)
23 (28.75)
Meat cooling and refrigeration area (D) 80 L. monocytogenes (13)
L. innocua (3)
L. welshimeri (4)
20 (25.00)
Total 320 L. monocytogenes (37)
L. innocua (7)
L. welshimeri (15)
59 (18.44)
  1. Phylogenetic groups of tested L. isteria strains (n = 59)