ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]2022
Non-diarrhoeic pigs as source of highly virulent and multidrug-resistant non-typhoidal Salmonella.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 12 citations in OpenAlex.
- Seasonal impacts onApplied and environmental microbiology · 2026Article
- ESBL and carbapenemase-producing enteric pathogens in animal-origin foods: a one health perspective.Folia microbiologica · 2026Review
- Serovar-Specific Antimicrobial Resistance and Virulence Profiles of Salmonella enterica From Poultry in Bangladesh.MicrobiologyOpen · 2025Article
- Prebiotic Xylo-Oligosaccharides Modulate the Gut Microbiome to Improve Innate Immunity and Gut Barrier Function and Enhance Performance in Piglets Experiencing Post-Weaning Diarrhoea.Microorganisms · 2025Article
- Assessing antimicrobial resistance profiles ofJournal of medical microbiology · 2024Article
- Extended-Spectrum β-Lactamases (ESBL) Producing Bacteria in Animals.Antibiotics (Basel, Switzerland) · 2023Review
- Genomic Characterization of Salmonella enterica serovar Weltevreden Associated with Human Diarrhea.Microbiology spectrum · 2023Article
- Prevalence, Serotypes, and Antimicrobial Resistance Patterns of Non-TyphoidPathogens (Basel, Switzerland) · 2022Article
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7 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Food-producing animals act as reservoirs of non-typhoidal Salmonella (NTS) serovars with potential food safety and public health implications. The present cross-sectional study aimed at determining the prevalence of Salmonella serotypes in non-diarrhoeic pigs and characterizing the isolates using molecular tools. Salmonella isolates (n = 22) recovered from faecal samples of 194 randomly selected pigs were characterized for virulence and antimicrobial resistance and subtyped using XbaI-PFGE. The prevalence of Salmonella in apparently healthy non-diarrhoeic pigs was 11.3% (95%CI, 4.3-19.5%), with S. Weltevreden (81.8%) and S. Enteritidis (18.2%) being the serotypes detected. Salmonella isolates harboured virulence genes such as invA (100%), stn (100%), spvR/spvC (86.3%) and fimA (22.7%). Phenotypically, isolates showed sensitivity to chloramphenicol, levofloxacin and ciprofloxacin and resistance to tetracycline and ampicillin (100%), streptomycin (86.4%), amoxicillin-clavulanate (63.6%), cefotaxime (22.7%) and ceftriaxone (9.1%). Notably, 18.2% isolates were multidrug-resistant (≥ 3 antimicrobial class) with multiple antimicrobial resistance (MAR) index of 0.56-0.67 (18.2%), 0.44 (45.5%), 0.33 (31.8%) and 0.22 (4.5%). Genotypically, isolates carried various antibiotic resistance genes: ESBL (bla
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