Assessing the Safety of Fish Retail Shops and Associated Environment for Antimicrobial Resistant Non–Typhoidal Salmonella
Assessing the Safety of Fish Retail Shops and Associated Environment for Antimicrobial Resistant Non–Typhoidal Salmonella
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Date
2022-08-02
Authors
S. Parveen
Maansi
A. K. Upadhya
R. Huozha
Journal Title
Journal ISSN
Volume Title
Publisher
ICAR-Central Institute of Fisheries Technology, Cochin, India
Abstract
Non-typhoidal salmonellosis stands among the
major foodborne illnesses. Outbreaks from contaminated
fishes have been witnessed worldwide. A
cross-sectional study was performed. A total of 368
samples (fish and associated environmental samples)
were collected to assess the presence of non–
typhoidal Salmonella in fishes and associated environment
of 22 retail fish meat shops. The overall
occurrence of the organisms was found to be 4.35%
(16/368) with highest in fish rinsing water (18.18%,
4/22) followed by knife swabs (11.11%, 3/27),
chopping board swabs (8.33%, 2/24), meat swabs
(6.52%, 3/46), floor swabs (4.54%, 1/22), gill and
intestine swabs (4.34%, 1/23), fish holding water
(2.43%, 1/41). S.Typhimurium (87.5%, 14/16) was
found as the prevalent serovar. Major virulence
genes harboured were sipA gene (87.5%) followed
by stn (75%), sopB (68.75%), sopE1 (56.25%) mgtC
(43.75%) and spvC and gipA (12.5%) genes each. The
isolates were highly resistant against Tetracycline
and Ampicillin (93.75%, 15/16) followed by Nalidixic
acid (50%), Ciprofloxacin (37.5%) Ofloxacin,
Cefotaxime and Sulfisoxazole (25%) each, Chloramphenicol
(12.5%) and Streptomycin (6.25%). Ten
Salmonella (62.5%) isolates were multi drug resistant
(MDR). The most commonly occurring resistance
genes were gyrA (92.30%, 12/13), blaTEM (53.33%, 8/
15), aadA1 and strA (50%, 2/4), sul1 (30.76%, 4/13)
while tetA was not found in any of the isolates.
Resistance to critically important fluoroquinolones
and highly important Cephalosporin and Tetracy-cline antibiotics detected in Salmonella isolates is a serious threat to public health.
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Keywords
Research Subject Categories::FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING::Animal production::Fishery
Citation
Fishery Technology 59 (2022) : 197 - 206