Distribution, quantitative load and characterization of Salmonella associated with swine farms in upper-northern Thailand.
10.4142/jvs.2014.15.2.327
- Author:
Pakpoom TADEE
1
;
Kittipong KUMPAPONG
;
Danai SINTHUYA
;
Panuwat YAMSAKUL
;
Nipa CHOKESAJJAWATEE
;
Supachai NUANUALSUWAN
;
Suchawan PORNSUKAROM
;
Bayleyegn Z MOLLA
;
Wondwossen A GEBREYES
;
Prapas PATCHANEE
Author Information
1. Department of Food Animal Clinic, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai 50200, Thailand. patprapas@gmail.com
- Publication Type:Original Article
- Keywords:
characterization;
pig;
prevalence;
quantitative load;
Salmonella
- MeSH:
Abattoirs;
Animals;
Anti-Bacterial Agents/*pharmacology;
Bacterial Load/veterinary;
Colony Count, Microbial/veterinary;
Drug Resistance, Multiple, Bacterial/*drug effects;
Electrophoresis, Gel, Pulsed-Field/veterinary;
Feces/microbiology;
Female;
Male;
Prevalence;
Salmonella/classification/*drug effects/*genetics/isolation & purification;
Salmonella Infections, Animal/*epidemiology/microbiology/transmission;
Serotyping/veterinary;
Swine;
Swine Diseases/*epidemiology/microbiology/transmission;
Thailand/epidemiology
- From:Journal of Veterinary Science
2014;15(2):327-334
- CountryRepublic of Korea
- Language:English
-
Abstract:
This study was conducted to analyze the prevalence and quantitative loads of Salmonella spp. on pig farms in Chiang Mai, Lamphun, Thailand to assess loading levels before slaughtering. The serotype diversity, antimicrobial-resistance pattern and pulse-field type of Salmonella spp. were also characterized to assess the dynamic propagation of the pathogen. The Salmonella-positive prevalence was 246/805 (30.56%), and the quantitative loads varied from 1.48~4.04 Log10MPN/g, with a mean +/- standard deviation of 2.11 +/- 0.57. AMP/S/TE (ampicillin/streptomycin/tetracycline) was the highest frequency antimicrobial resistance pattern found in this study. In addition, Salmonella Rissen was the primary serotype in this region. PFGE results indicated the occurrence of infection by cross contamination among pig farms. Our study showed that pork is easily contaminated with this pathogen. Farm control programs must be based on strict biosecurity and hygienic measures, which could further reduce the contamination pressure at slaughterhouses or retail shops.
