Antimicrobial resistance among escherichia coli isolated from veal calf operations in Pennsylvania

Serajus Salaheen, Seon Woo Kim, Huilin Cao, David R. Wolfgang, Ernest Peter Hovingh, Jeffrey S. Karns, Bradd J. Haley, Jo Ann S. Van Kessel

Research output: Contribution to journalArticle

Abstract

Antimicrobial resistance (AR) is a pressing public health concern, and agricultural operations such as dairy and beef cattle production have been implicated as potential sources of resistant bacteria or genetic elements. This study aimed to determine the prevalence of antimicrobial-resistant Escherichia coli from calf pens in 6 auction houses (56 manure composite samples) and 12 veal calf operations (240 fecal samples in 2 visits: after the calves arrived at the farm and shortly before the animals were sent to slaughter) in the Commonwealth of Pennsylvania. A total of 1567 generic E. coli were isolated and screened for resistance phenotypes. Resistant E. coli were isolated from all auction houses and farms sampled. Based on nonparametric Kruskal-Wallis tests, incremental prevalence of E. coli resistant to ampicillin, azithromycin, cefoxitin, ceftiofur, ceftriaxone, chloramphenicol, streptomycin, sulfisoxazole, trimethoprim-sulfamethoxazole, and tetracycline in the samples from auction houses and the first and second farm visits was observed (χ 2 6.98-15.91, p < 0.05). Multidrug-resistant E. coli (resistant to more than three antimicrobial classes) were identified in 76.8%, 90.8%, and 100% of samples collected from the auction houses, first farm visits, and second farm visits, respectively. The presence of bla CTX-M -E. coli in 11 of the 12 farms presents the possibility of veal production environments being a reservoir for resistant genetic materials that may pose a risk to human health if they are transferred to human pathogens. Additional research on the impact of various management strategies in veal calf rearing is needed for a complete scenario of AR in these production environments.

Original languageEnglish (US)
Pages (from-to)74-80
Number of pages7
JournalFoodborne pathogens and disease
Volume16
Issue number1
DOIs
StatePublished - Jan 1 2019

Fingerprint

veal calves
antibiotic resistance
auctions
Escherichia coli
farms
anti-infective agents
Sulfisoxazole
calves
azithromycin
ceftriaxone
veal
sampling
Cefoxitin
ceftiofur
Azithromycin
cattle production
sulfamethoxazole
Manure
Ceftriaxone
trimethoprim

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Food Science
  • Applied Microbiology and Biotechnology
  • Animal Science and Zoology

Cite this

Salaheen, Serajus ; Kim, Seon Woo ; Cao, Huilin ; Wolfgang, David R. ; Hovingh, Ernest Peter ; Karns, Jeffrey S. ; Haley, Bradd J. ; Van Kessel, Jo Ann S. / Antimicrobial resistance among escherichia coli isolated from veal calf operations in Pennsylvania. In: Foodborne pathogens and disease. 2019 ; Vol. 16, No. 1. pp. 74-80.
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Salaheen, S, Kim, SW, Cao, H, Wolfgang, DR, Hovingh, EP, Karns, JS, Haley, BJ & Van Kessel, JAS 2019, 'Antimicrobial resistance among escherichia coli isolated from veal calf operations in Pennsylvania', Foodborne pathogens and disease, vol. 16, no. 1, pp. 74-80. https://doi.org/10.1089/fpd.2018.2530

Antimicrobial resistance among escherichia coli isolated from veal calf operations in Pennsylvania. / Salaheen, Serajus; Kim, Seon Woo; Cao, Huilin; Wolfgang, David R.; Hovingh, Ernest Peter; Karns, Jeffrey S.; Haley, Bradd J.; Van Kessel, Jo Ann S.

In: Foodborne pathogens and disease, Vol. 16, No. 1, 01.01.2019, p. 74-80.

Research output: Contribution to journalArticle

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