Antibiotic Resistance of Staphylococcus aureus in Watersheds With and Without Commercial Hog Operations

Public Deposited
Analytics

Downloadable Content

Download PDF
Request Version for Screen Reader
Last Modified
  • March 22, 2019
Creator
  • Wickersham, Lindsay
    • Affiliation: Gillings School of Global Public Health, Department of Environmental Sciences and Engineering
Abstract
  • Antibiotic use in commercial hog operations (CHOs) can lead to selection of antibiotic resistant bacteria, which is a concern for zoonotic bacteria such as Staphylococcus aureus. However, the extent to which antibiotic resistant S. aureus from CHOs contaminates surrounding surface waters is unknown. To determine whether watersheds with CHOs have more multidrug resistant S. aureus (MDRSA) and livestock-associated S. aureus than watersheds without CHOs, S. aureus was isolated and characterized from surface water samples (n=44) from sites with CHOs in their watersheds (n=3) and without CHOs (n=3). S. aureus (n=84) was isolated from 100% of CHO sites and 66% of non-CHO sites. MDRSA (n=23) was only recovered from one CHO site on one sampling event and was positive for markers of livestock-association. No MDRSA or livestock-associated S. aureus was found in non-CHO sites. This research suggests that CHOs can episodically contribute livestock-associated MDRSA to surface water.
Date of publication
Keyword
DOI
Resource type
Advisor
  • Stewart, Jill
  • Ball, Louise
  • Woods, Courtney
Degree
  • Master of Science
Degree granting institution
  • University of North Carolina at Chapel Hill
Graduation year
  • 2018
Language

Relations

Parents:

This work has no parents.

Items

Thumbnail Title Date Uploaded Visibility Actions
file details Wickersham_unc_0153M_17919.pdf 2019-04-10 Public Download