ArticleBMC microbiology2019
Prevalence, molecular epidemiology, and antimicrobial resistance of methicillin-resistant Staphylococcus aureus from swine in southern Italy.
Article in BMC microbiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed, 50 citations in OpenAlex.
- The resistome bridge between livestock and workers: novel frameworks for early detection and monitoring of antimicrobial resistance.Frontiers in public health · 2026Review
- MRSA in pig farming: the emerging role of flies in antimicrobial resistance: a cross-sectional study.Porcine health management · 2025Article
- Antimicrobial Resistance ofAntibiotics (Basel, Switzerland) · 2025Article
- Occurrence of methicillin-resistantOpen veterinary journal · 2025Article
- Multidrug-ResistantAntibiotics (Basel, Switzerland) · 2024Article
- Comparative Evaluation of the Antibiotic Resistance Profile ofInternational journal of public health · 2024Article
- Genomic Diversity of Methicillin-Resistant Staphylococcus aureus CC398 Isolates Collected from Diseased Swine in the German National Resistance Monitoring Program GEMicrobiology spectrum · 2023Article
- Methicillin-resistant and methicillin-sensitiveOne health (Amsterdam, Netherlands) · 2023Article
- Biosecurity and Hygiene Procedures in Pig Farms: Effects of a Tailor-Made Approach as Monitored by Environmental Samples.Animals : an open access journal from MDPI · 2023Article
- Prevalence, antimicrobial resistance, and staphylococcal toxin genes of blaVeterinary medicine and science · 2023Article
- A review of new emerging livestock-associated methicillin-resistantVeterinary world · 2023Review
- Low-level colonization of methicillin-resistant Staphylococcus aureus in pigs is maintained by slowly evolving, closely related strains in Finnish pig farms.Acta veterinaria Scandinavica · 2022Article
- Prevalence, Infectious Characteristics and Genetic Diversity ofPathogens (Basel, Switzerland) · 2022Article
- Antimicrobial Resistance and Molecular Characterization of Methicillin-ResistantAntibiotics (Basel, Switzerland) · 2022Article
- Occurrence of antimicrobial resistance and antimicrobial resistance genes in methicillin-resistantVeterinary world · 2022Article
- Prevalence of LA-MRSA in pigsties: analysis of factors influencing the (De)colonization process.Scientific reports · 2022Article
- First isolation of ST398 methicillin-resistant Staphylococcus aureus carrying staphylococcal cassette chromosome mec type IVd from pig ears in Japan.The Journal of veterinary medical science · 2022Article
- Methicillin Resistant Staphylococci Isolated from Goats and Their Farm Environments in Saudi Arabia Genotypically Linked to Known Human Clinical Isolates: a Pilot Study.Microbiology spectrum · 2022Article
- Occurrence and Characteristics ofMolecules (Basel, Switzerland) · 2022Article
- Prevalence and Characterisation of Multiresistant Bacterial Strains Isolated in Pigs from the Island of Tenerife.Veterinary sciences · 2022Article
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Authors and funding
11 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundColonization by livestock-associated MRSA (LA-MRSA) has increasingly been reported in the swine population worldwide. The aim of this study was to assess the prevalence of MRSA nasal carriage in healthy pigs, including the black (Calabrese) breed, from farms in the Calabria Region (Southern Italy). Between January and March 2018, a total of 475 healthy pigs reared in 32 farms were sampled by nasal swabbing. MRSA isolates were characterized by spa, MLST and SCCmec typing, and susceptibility testing to 17 antimicrobials.
results22 of 32 (66.8%) pig farms resulted positive for MRSA. The prevalence of MRSA was 46.1% (219 MRSA culture-positive out of 475 samples). MRSA colonization was significantly higher in intensive farms and in pigs with a recent or ongoing antimicrobial treatment. All 219 MRSA isolates were assigned to ST398. The most common spa types were t011 (37.0%), t034 (22.4%) and t899 (15.1%). A novel spa type (t18290) was detected in one isolate. An insertion of IS256 in the ST398-specific A07 fragment of the SAPIG2195 gene was detected in 10 out of 81 t011 isolates. Nearly all isolates carried the SCCmec type V element, except 11 isolates that carried the SCCmec type IVc. None of the isolates was positive for the Panton-Valentine leukocidin. All isolates were resistant to tetracycline. High resistance rates were also found for clindamycin (93.1%), trimethoprim/sulfamethoxazole (68.4%), fluoroquinolones (47.9-65.3%) and erythromycin (46.1%). None of the isolates was resistant to vancomycin and fusidic acid. Overall, a multidrug resistant phenotype was observed in 88.6% of isolates.
conclusionsWe report a high prevalence of MRSA among healthy swine in Southern Italy farms, with higher isolation frequency associated with intensive farming. The epidemiological types identified in our study reflect those reported in other European countries. Our findings underscore the importance of monitoring the evolution of LA-MRSA in pig farms in order to implement control measures and reduce the risk of spread in the animal population.
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