World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
50
Citations
11218
World Ranking
599
National Ranking
202

Thomas E. Wittum publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Thomas E. Wittum sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 217 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Thomas E. Wittum D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas E. Wittum sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 50 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

Thomas E. Wittum is affiliated with The Ohio State University in the United States. Their research encompasses fields such as Biochemistry, Genetics and Molecular Biology, and Environmental Science. Within these broad areas, they focus on subfields including Molecular Medicine, Pollution, Molecular Biology, Food Science, and Endocrinology.

The scientist's work addresses several main topics, notably Antibiotic Resistance in Bacteria, Pharmaceutical and Antibiotic Environmental Impacts, Salmonella and Campylobacter epidemiology, Gut microbiota and health, Bacterial Identification and Susceptibility Testing, Urinary Tract Infections Management, and Escherichia coli research studies.

Recent published papers by Thomas E. Wittum include:

  • Implementation of an antimicrobial stewardship program in a veterinary medical teaching institution, 2021, Journal of the American Veterinary Medical Association
  • Pathogenomics and clinical recurrence influence biofilm capacity of Escherichia coli isolated from canine urinary tract infections, 2022, PLoS ONE
  • Anesthetic risk during subsequent anesthetic events in brachycephalic dogs that have undergone corrective airway surgery: 45 cases (2007-2019), 2020, Journal of the American Veterinary Medical Association
  • Antimicrobial resistant bacteria recovered from retail ground meat products in the US include a Raoultella ornithinolytica co-harboring blaKPC-2 and blaNDM-5, 2021, Scientific Reports
  • Can the use of older-generation beta-lactam antibiotics in livestock production over-select for beta-lactamases of greatest consequence for human medicine? An in vitro experimental model, 2020, PLoS ONE

The most frequent collaborators in Thomas E. Wittum's research include Dixie F. Mollenkopf, Gregory A. Ballash, Elizabeth M. Parker, Jiyoung Lee, and Dubraska Diaz-Campos.

Throughout their career, Thomas E. Wittum has published regularly in several scientific journals, with notable frequent venues being:

  • PLoS ONE
  • Journal of the American Veterinary Medical Association
  • Preventive Veterinary Medicine
  • The Science of The Total Environment
  • Foodborne Pathogens and Disease

Best Publications

  • A review of antibiotic use in food animals: perspective, policy, and potential.

    Timothy F. Landers;Bevin Cohen;Thomas E. Wittum;Elaine L. Larson

  • The Global One Health Paradigm: Challenges and Opportunities for Tackling Infectious Diseases at the Human, Animal, and Environment Interface in Low-Resource Settings

    Wondwossen A. Gebreyes;Jean Dupouy-Camet;Melanie J. Newport;Celso J. B. Oliveira

  • Passive immune status at postpartum hour 24 and long-term health and performance of calves.

    T E Wittum;L J Perino

  • Development and application of real-time PCR assays for quantification of erm genes conferring resistance to macrolides-lincosamides-streptogramin B in livestock manure and manure management systems.

    Jing Chen;Zhongtang Yu;Frederick C. Michel;Thomas Wittum

  • Relationships among treatment for respiratory tract disease, pulmonary lesions evident at slaughter, and rate of weight gain in feedlot cattle

    T E Wittum;N E Woollen;L J Perino;E T Littledike

  • Association between milk urea nitrogen and fertility in Ohio dairy cows.

    P.J. Rajala-Schultz;W.J.A. Saville;G.S. Frazer;T.E. Wittum

  • Food commensal microbes as a potentially important avenue in transmitting antibiotic resistance genes

    Hua H. Wang;Michele Manuzon;Mark Lehman;Kai Wan

  • Development and application of real-time PCR assays for quantification of genes encoding tetracycline resistance.

    Zhongtang Yu;Frederick C. Michel;Glenn Hansen;Thomas Wittum

  • Complexities in understanding antimicrobial resistance across domesticated animal, human, and environmental systems

    David W. Graham;Gilles Bergeron;Megan W. Bourassa;James Dickson

  • Persistent bovine viral diarrhoea virus infection in US beef herds.

    T. E. Wittum;Dale M. Grotelueschen;K. V. Brock;William G. Kvasnicka

  • Shiga-toxigenic Escherichia coli O157 in agricultural fair livestock, United States.

    James E. Keen;Thomas E. Wittum;John R. Dunn;James L. Bono

  • Prevalence of fecal shedding of Salmonella spp in dairy herds.

    Carla L. Huston;Thomas E. Wittum;Brenda C. Love;James E. Keen

  • Carbapenemase-Producing Enterobacteriaceae Recovered from the Environment of a Swine Farrow-to-Finish Operation in the United States

    Dixie F. Mollenkopf;Jason W. Stull;Dimitria A. Mathys;Andrew S. Bowman

  • Association between ceftiofur use and isolation of Escherichia coli with reduced susceptibility to ceftriaxone from fecal samples of dairy cows.

    Lesley A. Tragesser;Thomas E. Wittum;Julie A. Funk;Patricia L. Winokur

  • Seroprevalence of antibodies to Sarcocystis neurona in horses residing in Oregon.

    Saville Wj;Reed Sm;Granstrom De;Hinchcliff Kw

  • Critically important antibiotics: criteria and approaches for measuring and reducing their use in food animal agriculture.

    H. Morgan Scott;Gary Acuff;Gilles Bergeron;Megan W. Bourassa

  • Association between changes in eating and drinking behaviors and respiratory tract disease in newly arrived calves at a feedlot.

    M J Buhman;L J Perino;M L Galyean;T E Wittum

  • Evaluation of concurrent shedding of bovine coronavirus via the respiratory tract and enteric route in feedlot cattle.

    Kyoung Oh Cho;Armando E. Hoet;Steven C. Loerch;Thomas E. Wittum

  • Haptoglobin response to clinical respiratory tract disease in feedlot cattle

    T E Wittum;C R Young;L H Stanker;D D Griffin

  • Detection of respiratory and enteric shedding of bovine coronaviruses in cattle in an Ohio feedlot

    Mustafa Hasoksuz;Armando E. Hoet;Armando E. Hoet;Steven C. Loerch;Thomas E. Wittum

  • Characteristics of dairy calf ranches: Morbidity, mortality, antibiotic use practices, and biosecurity and biocontainment practices

    W.L. Walker;W.B. Epperson;T.E. Wittum;L.K. Lord

  • CTX-M-type extended-spectrum β-lactamases present in Escherichia coli from the feces of cattle in Ohio, United States.

    Thomas E. Wittum;Dixie F. Mollenkopf;Joshua B. Daniels;Anne E. Parkinson

  • Analysis of risk factors for the development of equine protozoal myeloencephalitis in horses.

    William J. Saville;Stephen M. Reed;Paul S. Morley;David E. Granstrom

Frequent Co-Authors

Paul S. Morley
Paul S. Morley Texas A&M University
Julie A. Funk
Julie A. Funk Michigan State University
Wondwossen A. Gebreyes
Wondwossen A. Gebreyes The Ohio State University
Päivi J. Rajala-Schultz
Päivi J. Rajala-Schultz University of Helsinki
Linda J. Saif
Linda J. Saif The Ohio State University
Jeffrey T. LeJeune
Jeffrey T. LeJeune The Ohio State University
Steven Christopher Loerch
Steven Christopher Loerch The Ohio State University
David A. Dargatz
David A. Dargatz Animal and Plant Health Inspection Service
Kenneth G Odde
Kenneth G Odde Kansas State University
Bruce A. Wagner
Bruce A. Wagner Animal and Plant Health Inspection Service

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Related Online Degrees & Career Pathways

For students pursuing Animal Science and Veterinary studies, exploring complementary fields can broaden career opportunities. One such avenue is the realm of sports and exercise sciences, where an accelerated exercise science degree online offers a faster route to entering roles connected to animal rehabilitation and athletic training.

Leadership roles in sports organizations often require specialized education. Understanding the athletic director education requirements can be useful for those interested in managing veterinary sports programs or animal physical therapy centers.

For those interested in behavioral health with animals or humans, pursuing advanced certifications is key. Programs like the bcba masters programs help develop skills in behavior analysis, which can be applied to animal training or therapeutic interventions.

Moreover, the intersection of psychology and veterinary care is growing. Accredited pathways such as school psychology programs online accredited by nasp offer insights into mental health that can extend to animal welfare and client counseling in veterinary settings.

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