ArticleScientific reports2024
Epidemiology and antibiotic resistance of staphylococci on commercial pig farms in Cape Town, South Africa.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Prevalence of methicillin-resistant coagulase-negative staphylococci in Africa: a systematic review and meta-analysis.BMC infectious diseases · 2025Pooled it
- Mammaliicoccus sciuri as a sentinel for antimicrobial resistance and virulence: genomic epidemiology, transmission dynamics, and control in the one health era.Veterinary research communications · 2026Review
- Population structure, resistome, and virulome ofFrontiers in cellular and infection microbiology · 2025Article
- Characterization of T-cell immune responses againstFrontiers in immunology · 2025Article
- Effect of Melia azedarach seed mediated nano-ZnO on growth performance, protein utilisation efficiency, haematology and nutritional status in pigs.Tropical animal health and production · 2024Article
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Authors and funding
5 authors.
Funding
Abstract
Staphylococci are responsible for a wide range of infections in animals. The most common species infecting animals include Staphylococcus aureus, Staphylococcus epidermidis and Staphylococcus intermedius. Recent increases in antibiotic use and antibiotic resistance in animals highlight the need to understand the potential role of commercial livestock as a reservoir of staphylococci and antibiotic resistance genes. Nasal swabs were collected from 143 apparently healthy pigs and 21 pig farm workers, and 45 environmental swabs of feed and water troughs, from two commercial pig farms in the Western Cape, South Africa. Staphylococci were isolated, identified using mass-spectrometry, and antimicrobial susceptibility testing and Illumina whole genome sequencing were performed. One hundred and eighty-five (185) Staphylococcus spp. isolates were obtained, with Mammalicoccus sciuri (n = 57; 31%) being the most common, followed by S. hyicus (n = 40; 22%) and S. aureus (n = 29; 16%). S. epidermidis was predominantly identified in the farm workers (n = 18; 86%). Tetracycline resistance was observed across all species, with rates ranging from 67 to 100%. Majority of M. sciuri isolates (n = 40; 70%) were methicillin resistant, with 78% (n = 31) harbouring mecA. M. sciuri isolates had genes/elements which were associated with SCCmec_type_III (3A) and SCCmec_type_VIII(4A) and were mostly observed in ST61 strains. ST239 strains were associated with SCCmec_type_III(3A). High rates of tetracycline resistance were identified among staphylococci in the pig farms in Western Cape, South Africa. This highlights the need for policy makers to regulate the use of this antibiotic in pig farming.
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Registered trials
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