Distribution and Antimicrobial Resistance of Salmonella Isolated from Pigs with Diarrhea in China

can cause enteric diseases in humans and a wide range of animals, and even outbreaks of foodborne illness. The aim of this study was to investigate the frequency and distribution of serovars, and antimicrobial resistance in isolates from pigs with diarrhea in 26 provinces in China from 2014 to 2016....

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Bibliographic Details
Published in:Microorganisms (Basel) 2018-11, Vol.6 (4), p.117
Main Authors: Su, Jin-Hui, Zhu, Yao-Hong, Ren, Tian-Yi, Guo, Liang, Yang, Gui-Yan, Jiao, Lian-Guo, Wang, Jiu-Feng
Format: Article
Language:English
Subjects:
Ampicillin
Animal husbandry
Antigens
Antimicrobial agents
Antimicrobial resistance
Bacteria
Bacterial infections
Chromium
Cloning
Diarrhea
Drug resistance
E coli
Electrophoresis
Foodborne diseases
Gel electrophoresis
Genes
Heavy metals
Hogs
Infections
monophasic
Multidrug resistance
multilocus sequence typing
pig
Pulsed-field gel electrophoresis
Salmonella
Sulfamethoxazole
Swine
Trimethoprim
Trimethoprim-sulfamethoxazole
Veterinary medicine
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Summary:can cause enteric diseases in humans and a wide range of animals, and even outbreaks of foodborne illness. The aim of this study was to investigate the frequency and distribution of serovars, and antimicrobial resistance in isolates from pigs with diarrhea in 26 provinces in China from 2014 to 2016. A total of 104 isolates were identified and the dominant serovar was 4,[5],12:i:- (53.9%). All isolates were resistant to trimethoprim-sulfamethoxazole, and many were resistant to ampicillin (80.8%) and tetracycline (76.9%). Among 104 isolates, was the dominant plasmid-mediated quinolone resistance gene (80.8%), followed by (47.1%). The pulsed-field gel electrophoresis results suggest that the isolates from different regions were genetically diverse, and ST34 was the most prevalent. 4,[5],12:i:- isolates is the widespread presence of heavy metal tolerance genes. The fact that the same sequence types were found in different regions and the high similarity coefficient of 4,[5],12:i:- isolates from different regions indicate the clonal expansion of the isolates, and the isolates carried various antimicrobial resistance genes. The multidrug resistant can be widely detected in pigs, which will present a challenge for farm husbandry.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms6040117