Cited by 188Salmonella and Campylobacter epidemiologyListeria monocytogenes in Food SafetyFecal contamination and water quality

Survival of Salmonella enterica Serovar Newport in Manure and Manure-Amended Soils

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You, Youwen, Rankin, Shelley C., Aceto, Helen W., Benson, Charles E., Toth, John D., Dou, Zhengxia·2006·Applied and Environmental Microbiology

Abstract

Salmonella enterica serovar Newport has undergone a rapid epidemic spread in dairy cattle. This provides an efficient mechanism for pathogen amplification and dissemination into the environment through manure spreading on agricultural land. The objective of this study was to determine the survival characteristics of Salmonella serovar Newport in manure and manure-amended soils where the pathogen may be amplified. A multidrug-resistant (MDR) Salmonella serovar Newport strain and a drug-susceptible (DS) strain, both bovine isolates, were inoculated into dairy manure that was incubated under constant temperature and moisture conditions alone or after being mixed with sterilized or nonsterilized soil. Salmonella serovar Newport concentrations increased by up to 400% in the first 1 to 3 days following inoculation, and a trend of steady decline followed. With manure treatment, a sharp decline in cell concentration occurred after day 35, possibly due to microbial antagonism. For all treatments, decreases in Salmonella serovar Newport concentrations over time fit a first-order kinetic model. Log reduction time was 14 to 32 days for 1 log 10 , 28 to 64 days for 2 log 10 , and 42 to 96 days for 3 log 10 declines in the organisms' populations from initially inoculated concentrations. Most-probable-number monitoring data indicated that the organisms persisted for 184, 332, and 405 days in manure, manure-amended nonsterilized soil, and manure-amended sterilized soil, respectively. The MDR strain and the DS strain had similar survival patterns.

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Crossref · 10.1128/aem.00791-06

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Authors
You, Y., Rankin, S. C., Aceto, H. W., Benson, C. E., Toth, J. D., & Dou, Z.
Affiliations
  • Department of Clinical Studies
  • University of Pennsylvania (US)
Venue
Applied and Environmental Microbiology
Published
2006-09
Volume
72
Issue
9
Pages
5777-5783
ISSN
  • 0099-2240 (ISSN-L)
  • 1098-5336
OpenAlex
W2156042740
Cited by
188
References
21
Citations by year
2026: 8 · 2025: 6 · 2024: 4 · 2023: 15 · 2022: 10 · 2021: 7 · 2020: 8 · 2019: 13 · 2018: 14 · 2017: 8 · 2016: 14 · 2015: 6 · 2014: 11 · 2013: 11 · 2012: 13
FWCI
10.22
Type
journal article
Language
en
Open access
Locations
  • Applied and Environmental Microbiology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Agriculture
  • University of Pennsylvania
  • Pennsylvania Department of Agriculture
  • Cooperative State Research, Education, and Extension Service
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Salmonella and Campylobacter epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Listeria monocytogenes in Food Safety
  • Physical Sciences › Environmental Science › Water Science and Technology › Fecal contamination and water quality
Keywords
Salmonella enterica serovar Newport, pathogen survival, dairy manure, manure-amended soil, manure application, multidrug resistance, first-order kinetic model, pathogen persistence, dairy cattle, soil sterilization, microbial antagonism
MeSH terms
Animals, Cattle, Manure, Serotyping, Soil Microbiology, Electrophoresis, Gel, Pulsed-Field, Salmonella enterica, Drug Resistance, Multiple, Bacterial

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