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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 45 828 762 257 217 120 6881

Jeffrey T. LeJeune publications per year

The chart shows the history of publications by Jeffrey T. LeJeune between 2000 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jeffrey T. LeJeune published across 27 years, from 2000 to 2026, averaging 5.4 papers a year. Output peaked at 12 publications in 2011. 4 of the 145 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 2000 to 2026. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2011. 2000: 1 publication 2001: 5 publications 2002: 1 publication 2003: 1 publication 2004: 5 publications 2005: 6 publications 2006: 6 publications 2007: 8 publications 2008: 8 publications 2009: 9 publications 2010: 8 publications 2011: 12 publications 2012: 10 publications 2013: 6 publications 2014: 8 publications 2015: 8 publications 2016: 5 publications 2017: 8 publications 2018: 2 publications 2019: 1 publication 2020: 6 publications 2021: 3 publications 2022: 7 publications 2023: 4 publications 2024: 3 publications 2025: 2 publications 2026: 2 publications
2000 2026

145 publications in total across all disciplines

View publications per year as a table
Jeffrey T. LeJeune: publications per year, 2000 to 2026
Year Publications
2000 1
2001 5
2002 1
2003 1
2004 5
2005 6
2006 6
2007 8
2008 8
2009 9
2010 8
2011 12
2012 10
2013 6
2014 8
2015 8
2016 5
2017 8
2018 2
2019 1
2020 6
2021 3
2022 7
2023 4
2024 3
2025 2
2026 2
Total 145
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Jeffrey T. LeJeune 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 Jeffrey T. LeJeune sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 84 bars. Horizontal axis: publications, 29–33 to 442+. Vertical axis: number of scientists, 0 to 109. Most scientists, 109, have 119–123 publications. The last bar groups every scientist with 442 publications or more. The highlighted bar, 119–123 publications, is where this scientist sits. 29–33 publications: 1 scientist 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
29–33 publications 442+

This scientist: 120 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Animal Science and Veterinary scientists by publication count, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
Publications Scientists This scientist
29–33 1
34–38 6
39–43 17
44–48 23
49–53 28
54–58 44
59–63 66
64–68 75
69–73 71
74–78 85
79–83 108
84–88 105
89–93 84
94–98 103
99–103 97
104–108 95
109–113 89
114–118 88
119–123 109 120
124–128 93
129–133 89
134–138 95
139–143 92
144–148 80
149–153 75
154–158 74
159–163 67
164–168 53
169–173 62
174–178 63
179–183 50
184–188 55
189–193 50
194–198 27
199–203 44
204–208 31
209–213 28
214–218 38
219–223 33
224–228 36
229–233 29
234–238 35
239–243 23
244–248 24
249–253 29
254–258 28
259–263 21
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12
299–303 11
304–308 15
309–313 14
314–318 14
319–323 8
324–328 8
329–333 13
334–338 14
339–343 13
344–348 10
349–353 11
354–358 5
359–363 8
364–368 8
369–373 6
374–378 7
379–383 8
384–388 3
389–393 4
394–398 5
399–403 8
404–408 5
409–413 4
414–418 3
419–423 8
424–428 5
429–433 3
434–438 5
439–441 5
442+ 99
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Jeffrey T. LeJeune 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 Jeffrey T. LeJeune sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 58 bars. Horizontal axis: D-Index, 20 to 77+. Vertical axis: number of scientists, 0 to 158. Most scientists, 158, have 31 D-Index. The last bar groups every scientist with 77 D-Index or more. The highlighted bar, 45 D-Index, is where this scientist sits. 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: 45 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Animal Science and Veterinary scientists by D-index, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
D-Index Scientists This scientist
20 5
21 22
22 31
23 44
24 53
25 66
26 80
27 101
28 106
29 116
30 154
31 158
32 143
33 137
34 126
35 134
36 112
37 115
38 105
39 111
40 107
41 87
42 74
43 62
44 61
45 41 45
46 51
47 43
48 28
49 47
50 40
51 34
52 33
53 43
54 16
55 32
56 21
57 18
58 28
59 33
60 17
61 21
62 18
63 21
64 9
65 20
66 11
67 16
68 12
69 17
70 13
71 15
72 11
73 11
74 14
75 5
76 6
77+ 100
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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
Sally A. Miller
Sally A. Miller The Ohio State University
Thomas E. Besser
Thomas E. Besser Washington State University
Thomas E. Wittum
Thomas E. Wittum The Ohio State University
Pay Drechsel
Pay Drechsel International Water Management Institute
Julie A. Funk
Julie A. Funk Michigan State University
Päivi J. Rajala-Schultz
Päivi J. Rajala-Schultz University of Helsinki
Qijing Zhang
Qijing Zhang Iowa State University

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Related Online Degrees & Career Pathways

Pursuing a degree in Animal Science or Veterinary studies opens doors to a variety of specialized career paths. Many students consider complementing their education with related fields, increasing their professional opportunities. For example, those interested in behavioral analysis might explore bcba accredited programs, which provide essential credentials for Board Certified Behavior Analysts.

Additionally, graduates seeking to work in educational or counseling roles may benefit from programs like nasp accredited school psychology programs. Such training supports work with children and adolescents, often including animal-assisted therapy components.

For those aiming to become licensed clinical psychologists, enrolling in psyd programs online apa accredited offers accredited education without GRE barriers. This can be a great complement to animal science fields that incorporate psychological wellbeing.

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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