Serotyping and drug resistance analysis of Salmonella from waterfowl in the Guangdong Region,2013-2023
10.3969/j.issn.1002-2694.2025.00.033
- VernacularTitle:2013-2023年广东地区水禽源沙门菌血清分型及耐药性分析
- Author:
Wan-jia LI
1
;
Yin-sheng LIN
;
Min-fang LIU
;
Wen-chang XUE
;
Wan-jun ZHU
;
Ji-dang CHEN
;
Ji-pei ZHANG
Author Information
1. 佛山大学,佛山 528231
- Publication Type:Journal Article
- Keywords:
Salmonella;
serotyping;
resistance phenotypes;
waterfowl;
multi-drug resistanc
- From:
Chinese Journal of Zoonoses
2025;41(3):297-303
- CountryChina
- Language:Chinese
-
Abstract:
This study was aimed at understanding the prevalence and drug resistance status of Salmonella of waterfowl ori-gin in the Guangdong region in the past decade,to guide prevention and control efforts.The drug-sensitive paper slide method was used to conduct drug susceptibility testing on 314 waterfowl-originating Salmonella strains isolated from 238 waterfowl farms in the Guangdong region from 2013 to 2023.The isolated Salmonella strains were most resistant to penicillin,amoxicil-lin,cefradine,and cefazolin in the β-lactam group;sulphadoxine dimethylpyrimidine in the sulphonamide group;and tetracy-cline in the tetracycline group.The resistance rates ranged from 73.57％to 89.49％.The highest sensitivity was observed to amikacin,gentamicin,and kanamycin in the aminoglycoside group,and norfloxacin in the quinolone group,with susceptibility rates all exceeding 50％.The 280 strains of Salmonella showed multi-drug resistance to six classes of antimicrobial drugs and high resistance(as much as 60.83％)to five drug classes.Correlation analysis revealed the highest correlations for florfenicol with gentamicin,and for amoxicillin with penicillin(r=0.650 for both),followed by gentamicin with kanamycin(r=0.620).Salmonella resistance in waterfowl in Guangdong Province was generally severe and showed a complex pattern of drug resist-ance.Detection of waterfowl pathogens should be strengthened to prevent the spread of drug-resistant bacteria and support ra-tional use of antibiotics.This work provides a reference for Salmonella prevention and control in waterfowl farms.
