Occurrence of quinolone-resistant Escherichia coli in environmental samples from a sow pool system  in Switzerland

Ah, Sereina von; Stephan, Roger; Zurfluh, Katrin; Sidler, Xaver; Kümmerlen, Dolf

doi:10.17236/sat00211

Cited by 9 publications

(6 citation statements)

References 21 publications

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“…The measurement results include qualitative (presence or absence) and quantitative ones (CFU m −3 ) (Table 10). Settled dust samples were also analyzed [287,288] but relevant studies were excluded for possible differences in microbiota between PM and settled dust. Among bacterial isolates from the inside of the barns, 45% were resistant to all six antibiotics and 95% were resistant to ≥2 antibiotics.…”

Section: Antibiotic Resistant Bacteriamentioning

confidence: 99%

Particulate Matter in Swine Barns: A Comprehensive Review

et al. 2022

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Particulate matter (PM) represents an air quality management challenge for confined swine production systems. Due to the limited space and ventilation rate, PM can reach relatively high concentrations in swine barns. PM in swine barns possesses different physical, chemical, and biological characteristics than that in the atmosphere and other indoor environments. As a result, it exerts different environmental and health effects and creates some unique challenges regarding PM measurement and mitigation. Numerous research efforts have been made, generating massive data and information. However, relevant review reports are sporadic. This study aims to provide an updated comprehensive review of swine barn PM, focusing on publications since 1990. It covers various topics including PM characteristics, sources, measurement methods, and in-barn mitigation technologies. As PM in swine barns is primarily of biological origins, bioaerosols are reviewed in great detail. Relevant topics include bacterial/fungal counts, viruses, microbial community composition, antibiotic-resistant bacteria, antibiotic resistance genes, endotoxins, and (1→3)-β-D-glucans. For each topic, existing knowledge is summarized and discussed and knowledge gaps are identified. Overall, PM in swine barns is complicated in chemical and biological composition and highly variable in mass concentrations, size, and microbial abundance. Feed, feces, and skins constitute the major PM sources. Regarding in-barn PM mitigation, four technologies (oil/water sprinkling, ionization, alternation of feed and feeders, and recirculating air filtration) are dominant. However, none of them have been widely used in commercial barns. A collective discussion of major knowledge gaps and future research needs is offered at the end of the report.

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Section: Antibiotic Resistant Bacteriamentioning

confidence: 99%

Particulate Matter in Swine Barns: A Comprehensive Review

et al. 2022

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“…The link between the use of antimicrobials and the development of antimicrobial resistance has been shown before. [1][2][3][4][5] The World Health Organization (WHO) has published an action plan to combat the development of antimicrobial resistance. 6 Of major interest are the 'Highest Priority Critically Important Antimicrobials (HPCIAs)', which, according to the WHO definition, are of particular importance for the treatment of certain diseases in humans.…”

Section: Introductionmentioning

confidence: 99%

“…Resistance of pathogenic bacteria against antimicrobials endangers both human and veterinary health. The link between the use of antimicrobials and the development of antimicrobial resistance has been shown before 1–5. The World Health Organization (WHO) has published an action plan to combat the development of antimicrobial resistance 6.…”

Section: Introductionmentioning

confidence: 99%

Impact of the Suissano Health Programme on antimicrobial usage on 291 pig farms in Switzerland

Echtermann

Müntener

Sidler

et al. 2020

Veterinary Record Open

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BackgroundIn 2015, in Switzerland the Suissano Health Programme was implemented in pig production to improve transparency for antimicrobial usage (AMU) and to reduce the usage of fluoroquinolones (FQ), macrolides and cephalosporins, representing highest priority critically important antimicrobials.MethodsIn the presented cohort study, the impact of the Suissano programme on the AMU of 291 pig farms between 2016 and 2017 was investigated. AMU was calculated in total numbers of defined course doses (nDCDch) for all farms in the programme. For each single farm the nDCDch/animal/year was determined for four different age categories (suckling piglets, weaned piglets, fattening pigs, sows) as well as each antimicrobial substance separately. Trends between 2016 and 2017 were investigated for all farms as well as the 25 per cent with the highest usage of antimicrobials (high users) separately.ResultsTotal AMU measured in nDCDch declined by 23 per cent between 2016 and 2017, but statistically significant differences could not be observed when comparing the data sets of the individual farms. A significantly reduced usage of FQ could be demonstrated in suckling piglets (P=0.003), weaned piglets (P=0.006) and sows (P=0.008) in 2017 compared with 2016. For high users, a significant reduction of total AMU could be shown in suckling piglets (P=0.02), weaned piglets (P=0.0004) and fattening pigs (P=0.01).ConclusionThis study demonstrated a significant reduction in the usage of FQs in suckling piglets, weaned piglets and sows as well as total AMU in suckling piglets, weaned piglets and fattening pigs on high-usage farms.

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“…The measurement results include qualitative (presence or absence) and quantitative ones (CFU m -3 ) (Table 10). Settled dust samples were also analyzed (Schulz et al, 2019;von Ah et al, 2019) but relevant studies were excluded for possible differences in microbiota between PM and settled dust. Note:…”

Section: Culture-independent Methodsmentioning

confidence: 99%

Particulate Matter in Swine Barns: A Comprehensive Review

Yang¹,

Haleem²,

Osabutey³

et al. 2022

Preprint

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Particulate matter (PM) represents an air quality management challenge for confined swine production systems. Because of the limited space and ventilation rate, PM can reach relatively high concentrations in swine barns. PM in swine barns possesses different physical, chemical, and biological characteristics than that in the atmosphere and other indoor environments. As a result, it exerts different environmental and health effects and creates some unique challenges regarding PM measurement and mitigation. Numerous research efforts have been made, generating massive data and information. However, relevant review reports are sporadic. This study aims to provide an updated comprehensive review of swine barn PM, focusing on publications since 1990. It covers various topics, including PM characteristics, sources, measurement methods, and in-barn mitigation technologies. Since PM in swine barns is of primarily biological origins, bioaerosols are reviewed in great detail. Relevant topics include bacterial/fungal counts, viruses, microbial community composition, antibiotic-resistant bacteria, antibiotic resistance genes, endotoxins, and (1→3)-β-D-glucans. For each topic, existing knowledge is summarized and discussed and knowledge gaps are identified. Overall, PM in swine barns is complicated in chemical and biological composition and highly variable in mass concentrations, size, and microbial abundance. Feed, feces, and skins constitute the major PM sources. Regarding in-barn PM mitigation, four technologies (oil/water sprinkling, ionization, alternation of feed and feeders, and recirculating air filtration) are dominant. However, none of them have been widely used in commercial barns. A collective discussion of major knowledge gaps and future research needs is offered at the end of the report.

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Occurrence of quinolone-resistant Escherichia coli in environmental samples from a sow pool system in Switzerland

Cited by 9 publications

References 21 publications

Particulate Matter in Swine Barns: A Comprehensive Review

Particulate Matter in Swine Barns: A Comprehensive Review

Impact of the Suissano Health Programme on antimicrobial usage on 291 pig farms in Switzerland

Particulate Matter in Swine Barns: A Comprehensive Review

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