World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
45
Citations
6881
World Ranking
827
National Ranking
256

Overview

Jeffrey T. LeJeune is affiliated with The Ohio State University in the United States. Their research intersects several fields, notably Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Medicine. This multidisciplinary background supports investigations into a range of topics related to antimicrobial resistance, food safety, and zoonotic diseases.

The scientist's main areas of study include:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology
  • Medicine

Within these broader fields, their work further concentrates on subfields such as Food Science, Pollution, Molecular Medicine, Public Health, Environmental and Occupational Health, and Applied Microbiology and Biotechnology.

Key research topics addressed by the scientist encompass:

  • Pharmaceutical and Antibiotic Environmental Impacts
  • Antibiotic Resistance in Bacteria
  • Food Safety and Hygiene
  • Salmonella and Campylobacter epidemiology
  • Antibiotic Use and Resistance
  • Zoonotic diseases and public health
  • Animal Disease Management and Epidemiology

Jeffrey T. LeJeune's publication record reflects an emphasis on antimicrobial resistance and food safety, with notable recent papers including:

  • FAO/WHO Joint Expert Meeting on Microbiological Risk Assessment (JEMRA): Twenty Years of International Microbiological Risk Assessment, 2021, Foods
  • Antimicrobial Use and Resistance in Plant Agriculture: A One Health Perspective, 2022, Agriculture
  • Achieving Antimicrobial Stewardship on the Global Scale: Challenges and Opportunities, 2022, Microorganisms
  • The Role of European Starlings (Sturnus vulgaris) in the Dissemination of Multidrug-Resistant Escherichia coli among Concentrated Animal Feeding Operations, 2020, Scientific Reports
  • Situational analysis of antimicrobial resistance, laboratory capacities, surveillance systems and containment activities in Ethiopia: A new and one health approach, 2023, One Health

The scientist is frequently published in journals such as Scientific Reports, Microorganisms, Agriculture, One Health, and Foods.

Collaborations have been an integral part of their work, with frequent coauthors including:

  • Jorge Pinto Ferreira
  • Jeffrey C. Chandler
  • James C. Carlson
  • Bledar Bisha
  • Alejandro García

Jeffrey T. LeJeune's research contributes to the understanding of antimicrobial stewardship, environmental impacts of pharmaceuticals, and disease management within agricultural and public health contexts.

Best Publications

  • Unpasteurized Milk: A Continued Public Health Threat

    Jeffrey T. LeJeune;Päivi J. Rajala‐Schultz

  • The control of VTEC in the animal reservoir

    Dale Hancock;Tom Besser;Jeff Lejeune;Margaret Davis

  • Cattle water troughs as reservoirs of Escherichia coli O157.

    Jeffrey T. LeJeune;Thomas E. Besser;Dale D. Hancock

  • Enterohemorrhagic Escherichia coli

    Jianghong Meng;Jeffrey T. LeJeune;Tong Zhao;Michael P. Doyle

  • Longitudinal Study of Fecal Shedding of Escherichia coli O157:H7 in Feedlot Cattle: Predominance and Persistence of Specific Clonal Types despite Massive Cattle Population Turnover

    J. T. LeJeune;T. E. Besser;D. H. Rice;J. L. Berg

  • Preharvest control of Escherichia coli O157 in cattle.

    J. T. LeJeune;A. N. Wetzel

  • Interactions Affecting the Proliferation and Control of Human Pathogens on Edible Plants

    D. Aruscavage;K. Lee;S. Miller;J.T. LeJeune

  • Animal Reservoirs of Shiga Toxin-Producing Escherichia coli

    Anil K. Persad;Jeffrey T. Lejeune

  • Livestock drinking water microbiology and the factors influencing the quality of drinking water offered to cattle.

    J.T. LeJeune;T.E. Besser;N.L. Merrill;D.H. Rice

  • Moist-heat resistance, spore aging, and superdormancy in Clostridium difficile.

    Alexander Rodriguez-Palacios;Jeffrey T. LeJeune

  • Public health concerns associated with feeding raw meat diets to dogs

    Jeffrey T. LeJeune;Dale D. Hancock

  • A scoping review of the role of wildlife in the transmission of bacterial pathogens and antimicrobial resistance to the food Chain

    J. Greig;A. Rajić;A. Rajić;I. Young;M. Mascarenhas

  • Environmental sources and transmission of Escherichia coli O157 in feedlot cattle.

    Van Donkersgoed J;Berg J;Potter A;Hancock D

  • Escherichia coli O157:H7 excretion by commercial feedlot cattle fed either barley- or corn-based finishing diets.

    Janice Berg;Tim McALLISTER;Susan Bach;Robert Stilborn

  • Clostridium difficile in foods and animals: history and measures to reduce exposure.

    Alex Rodriguez-Palacios;Stefan Borgmann;Terence R. Kline;Jeffrey T. LeJeune

  • Diversity of staphylococcal cassette chromosome in coagulase-negative staphylococci from animal sources.

    Y. Zhang;Y. Zhang;S. Agidi;J.T. LeJeune

  • Human Escherichia coli O157:H7 Genetic Marker in Isolates of Bovine Origin

    Jeffrey T. LeJeune;Stephen T. Abedon;Kaori Takemura;Nicholas P. Christie

  • Why bacteriophage encode exotoxins and other virulence factors.

    Stephen T. Abedon;Jeffrey T. LeJeune

  • Outbreaks of zoonotic enteric disease associated with animal exhibits

    Jeffrey T LeJeune;Margaret A Davis

  • Exploiting the explosion of information associated with whole genome sequencing to tackle Shiga toxin-producing Escherichia coli (STEC) in global food production systems

    Eelco Franz;Pascal Delaquis;Stefano Morabito;Lothar Beutin

  • Clonal Dissemination of Escherichia coli O157:H7 Subtypes among Dairy Farms in Northeast Ohio

    Amy N. Wetzel;Jeffrey T. LeJeune

  • Sensitivity of Escherichia coli O157 Detection in Bovine Feces Assessed by Broth Enrichment followed by Immunomagnetic Separation and Direct Plating Methodologies

    Jeffrey T. LeJeune;Dale D. Hancock;Thomas E. Besser

  • Rising fluoroquinolone resistance in Campylobacter isolated from feedlot cattle in the United States

    Yizhi Tang;Orhan Sahin;Nada Pavlovic;Jeff LeJeune

  • Increasing prevalence of Campylobacter jejuni in feedlot cattle through the feeding period.

    Thomas E. Besser;Jeffrey T. LeJeune;Daniel H. Rice;Janice Berg

  • Bovine veterinarians’ knowledge, beliefs, and practices regarding antibiotic resistance on Ohio dairy farms

    A.A. Cattaneo;R. Wilson;D. Doohan;J.T. LeJeune

Frequent Co-Authors

David L. Pearl
David L. Pearl University of Guelph
Dale D. Hancock
Dale D. Hancock Washington State University
Scott A. McEwen
Scott A. McEwen University of Guelph
Thomas E. Besser
Thomas E. Besser Washington State University
Pay Drechsel
Pay Drechsel International Water Management Institute
Thomas E. Wittum
Thomas E. Wittum The Ohio State University
Julie A. Funk
Julie A. Funk Michigan State University
Päivi J. Rajala-Schultz
Päivi J. Rajala-Schultz University of Helsinki
John N. Sofos
John N. Sofos Colorado State University
Qijing Zhang
Qijing Zhang Iowa State University

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Related Online Degrees & Career Pathways

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Lastly, with the rise of holistic and behavioral health approaches involving animals, careers in addiction support are growing. Exploring an online substance abuse counseling degree can expand your scope to include therapeutic interventions involving animals.

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