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Table 1 Prevalence of Listeria spp. in raw fish and environmental samples

From: Prevalence, antimicrobial susceptibility and virulotyping of Listeria species and Listeria monocytogenes isolated from open-air fish markets

  No. of samples Listeria spp. L. monocytogenes L. innocua L. seeligeri L. ivanovii
Ctenopharyngodon idella 135 32 (23.7 %) 9 (6.7 %) 14 (10.4 %) 4 (3 %) 5 (3.7 %)
Rutilus kutum 124 27 (21.8 %) 14 (11.3 %) 10 (8.1 %) 1 (0.8 %) 2 (1.6 %)
Liza auratus 120 21 (17.5 %) 7 (5.8 %) 6 (5 %) 5 (4.2 %) 3 (2.5 %)
Hypophthalmichthys molitrix 109 24 (22 %) 7 (6.4 %) 4 (3.7 %) 11 (10.1 %) 2 (1.9 %)
workers’ hands 96 11 (11.5 %) 2 (2.1 %) 5 (5.2 %) 1 (1 %) 3 (3.1 %)
workers’ knives 96 3 (3.1 %) 1 (1 %) 2 (2.1 %) 0 0
Work surface 92 12 (13 %) 2 (2.2 %) 6 (6.5 %) 2 (2.2 %) 2 (2.2 %)
Containers 90 3 (3.3 %) 1 (1.1 %) 0 0 2 (2.2 %)
Total 862 133 (15.4 %) 43 (5 %) 47 (5.5 %) 24 (2.8 %) 19 (2.2 %)