Cited by 39Pharmaceutical and Antibiotic Environmental ImpactsAntibiotic Resistance in BacteriaComposting and Vermicomposting Techniques

Pathogen Prevalence and Influence of Composted Dairy Manure Application on Antimicrobial Resistance Profiles of Commensal Soil Bacteria

Edrington, Tom S., Fox, William E., Callaway, Todd R., Anderson, Robin C., Hoffman, Dennis W., Nisbet, David J.·2009·Foodborne Pathogens and Disease

Abstract

Composting manure, if done properly, should kill pathogenic bacteria such as Salmonella and Escherichia coli O157:H7, providing for an environmentally safe product. Over a 3-year period, samples of composted dairy manure, representing 11 composting operations (two to six samples per producer; 100 total samples), were screened for Salmonella and E. coli O157:H7 and were all culture negative. Nonpathogenic bacteria were cultured from these compost samples that could theoretically facilitate the spread of antimicrobial resistance from the dairy to compost application sites. Therefore, we collected soil samples (three samples per plot; 10 plots/treatment; 90 total samples) from rangeland that received either composted dairy manure (CP), commercial fertilizer (F), or no treatment (control, CON). Two collections were made appoximately 2 and 7 months following treatment application. Soil samples were cultured for Pseudomonas and Enterobacter and confirmed isolates subjected to antimicrobial susceptibility testing. Three species of Enterobacter (cloacae, 27 isolates; aeroginosa, two isolates; sakazakii, one isolate) and two species of Pseudomonas (aeruginosa, 11 isolates; putida, seven isolates) were identified. Five Enterobacter isolates were resistant to ampicillin and one isolate was resistant to spectinomycin. All Pseudomonas isolates were resistant to ampicillin, ceftiofur, florfenicol, sulphachloropyridazine, sulphadimethoxine, and trimethoprim/sulfamethoxazole and most isolates were resistant to chlortetracycline and spectinomycin. Pseudomonas isolates were resistant to an average of 8.6, 7.9, and 8 antibiotics for CON, CP, and F treatments, respectively. No treatment differences were observed in antimicrobial resistance patterns in any of the soil isolates examined. Results reported herein support the use of composted dairy manure as an environmentally friendly soil amendment.

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Crossref · 10.1089/fpd.2008.0184

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Authors
Edrington, T. S., Fox, W. E., Callaway, T. R., Anderson, R. C., Hoffman, D. W., & Nisbet, D. J.
Affiliations
  • Agricultural Research Service (US)
  • Texas Water Resources Institute, College Station, Texas.
  • Blackland Research and Extension Center, Templae, Texas.
Corresponding author
Edrington, Tom S.
Venue
Foodborne Pathogens and Disease
Published
2009-03
Volume
6
Issue
2
Pages
217-224
ISSN
  • 1535-3141 (ISSN-L)
  • 1556-7125
OpenAlex
W2090678770
Cited by
39
References
16
Citations by year
2024: 1 · 2022: 1 · 2021: 5 · 2020: 2 · 2019: 3 · 2017: 2 · 2016: 4 · 2015: 3 · 2014: 3 · 2013: 4 · 2012: 2
FWCI
2.62
Type
journal article
Language
en
Open access
closed
Locations
  • Foodborne Pathogens and Disease (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Composting and Vermicomposting Techniques
Keywords
antimicrobial resistance, Pseudomonas, Enterobacter, Salmonella, Escherichia coli O157:H7, manure composting, mineral fertilizers, antibiotic resistance transfer, ampicillin resistance, trimethoprim-sulfamethoxazole resistance, ceftiofur resistance, florfenicol resistance
MeSH terms
Animals, Anti-Bacterial Agents, Cattle, Disease Reservoirs, Dose-Response Relationship, Drug, Enterobacter, Female, Food Contamination, Manure, Microbial Sensitivity Tests, Pseudomonas, Soil Microbiology, Colony Count, Microbial, Prevalence, Drug Resistance, Bacterial, Drug Resistance, Multiple, Bacterial

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