World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
4764
World Ranking
1529
National Ranking
443

James S. Drouillard 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 James S. Drouillard 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: 359 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

James S. Drouillard 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 James S. Drouillard 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: 37 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Overview

James S. Drouillard is affiliated with Kansas State University in the United States and has contributed extensively to the fields of Agricultural and Biological Sciences. Their research spans 49 publications within this main field, with significant work focused on subfields including Agronomy and Crop Science, Animal Science and Zoology, Small Animals, Food Science, and Nutrition and Dietetics.

The scientist's research addresses several key topics, notably Ruminant Nutrition and Digestive Physiology, which is covered in 28 publications. Other major areas include Animal Nutrition and Physiology, Meat and Animal Product Quality, Fatty Acid Research and Health, Enzyme Production and Characterization, Gut Microbiota and Health, and Muscle Metabolism and Nutrition.

James S. Drouillard has published frequently in well-known venues, with a total of 15 publications in the Journal of Animal Science. Additional publication venues include Translational Animal Science and the Kansas Agricultural Experiment Station Research Reports, each with 5 publications. The scientist also has works published in Animal Feed Science and Technology and Animals.

Frequent collaborators in their research include James M Lattimer, Flávio Augusto Portela Santos, Teresa L. Douthit, Adibe Luiz Abdalla, and Daniel Montanher Polizel. These recurring coauthors indicate consistent research partnerships.

Representative recent papers by James S. Drouillard include:

  • Effect of hay type on cecal and fecal microbiome and fermentation parameters in horses, 2020, Journal of Animal Science
  • Effects of high-amylase corn on performance and carcass quality of finishing beef heifers, 2020, Journal of Animal Science
  • Effects of Zinc and Menthol-Based Diets on Co-Selection of Antibiotic Resistance among E. coli and Enterococcus spp. in Beef Cattle, 2021, Animals
  • Low moisture, cooked molasses blocks: A limited intake method for supplementing trace minerals to pre-weaned calves, 2021, Animal Feed Science and Technology
  • The Use of Probiotic Megasphaera elsdenii as a Pre-Harvest Intervention to Reduce Salmonella in Finishing Beef Cattle: An In Vitro Model, 2022, Microorganisms

Best Publications

  • Performance and carcass traits of finishing heifers fed crude glycerin.

    G. L. Parsons;M. K. Shelor;J. S. Drouillard

  • Growth, body composition, and visceral organ mass and metabolism in lambs during and after metabolizable protein or net energy restrictions.

    J S Drouillard;T J Klopfenstein;T J Klopfenstein;R A Britton;R A Britton;M L Bauer;M L Bauer

  • Current situation and future trends for beef production in the United States of America — A review

    James S. Drouillard

  • Daily Injection of Tumor Necrosis Factor-α Increases Hepatic Triglycerides and Alters Transcript Abundance of Metabolic Genes in Lactating Dairy Cattle

    Barry J. Bradford;Laman K. Mamedova;J. Ernest Minton;James S. Drouillard

  • Effects of increasing levels of dried corn distillers grains with solubles on growth performance, carcass characteristics, and meat quality of yearling heifers.

    B. E. Depenbusch;C. M. Coleman;J. J. Higgins;J. S. Drouillard

  • Effects of feeding wet corn distillers grains with solubles with or without monensin and tylosin on the prevalence and antimicrobial susceptibilities of fecal foodborne pathogenic and commensal bacteria in feedlot cattle

    M. E. Jacob;J. T. Fox;S. K. Narayanan;J. S. Drouillard

  • Impact of beef cattle diets containing corn or sorghum distillers grains on beef color, fatty acid profiles, and sensory attributes.

    R. K. Gill;D. L. VanOverbeke;B. Depenbusch;J. S. Drouillard

  • Effects of concentrate level on carcass traits of Boer crossbred goats

    S.M. Ryan;J.A. Unruh;M.E. Corrigan;J.S. Drouillard

  • The effects of ractopamine-hydrogen chloride (Optaflexx) on performance, carcass characteristics, and meat quality of finishing feedlot heifers.

    M. J. Quinn;C. D. Reinhardt;E. R. Loe;B. E. Depenbusch

  • Effects of Dried Distillers' Grain on Fecal Prevalence and Growth of Escherichia coli O157 in Batch Culture Fermentations from Cattle†

    M. E. Jacob;J. T. Fox;J. S. Drouillard;D. G. Renter

  • Effects of ractopamine and protein source on growth performance and carcass characteristics of feedlot heifers

    D. K. Walker;E. C. Titgemeyer;J. S. Drouillard;E. R. Loe

  • Effects of L-carnitine on nitrogen retention and blood metabolites of growing steers and performance of finishing steers.

    R H Greenwood;E C Titgemeyer;G L Stokka;J S Drouillard

  • Efficacy of Escherichia coli O157:H7 siderophore receptor/porin proteins-based vaccine in feedlot cattle naturally shedding E. coli O157.

    J. Trent Fox;Daniel U. Thomson;James S. Drouillard;Ashley B. Thornton

  • Occurrence of the transferable copper resistance gene tcrB among fecal enterococci of U.S. feedlot cattle fed copper-supplemented diets.

    R. G. Amachawadi;H. M. Scott;C. A. Alvarado;T. R. Mainini

  • Efficacy of monensin and tylosin in finishing diets based on steam-flaked corn with and without corn wet distillers grains with solubles.

    B. E. Depenbusch;J. S. Drouillard;E. R. Loe;J. J. Higgins

  • Effects of previous grazing nutrition and management on feedlot performance of cattle

    J. S. Drouillard;G. L. Kuhl

  • Dry-rolled or steam-flaked grain-based diets and fecal shedding of Escherichia coli O157 in feedlot cattle.

    J. T. Fox;B. E. Depenbusch;J. S. Drouillard;T. G. Nagaraja

  • Comparison of rectoanal mucosal swab cultures and fecal cultures for determining prevalence of Escherichia coli O157:H7 in feedlot cattle

    M. A. Greenquist;J. S. Drouillard;J. M. Sargeant;B. E. Depenbusch

  • Effects of ruminally protected choline and dietary fat on performance and blood metabolites of finishing heifers.

    D. J. Bindel;J. S. Drouillard;E. C. Titgemeyer;R. H. Wessels

  • Urea and biuret as nonprotein nitrogen sources in cooked molasses blocks for steers fed prairie hay

    C.A Löest;E.C Titgemeyer;J.S Drouillard;B.D Lambert

  • Effects of dry-rolled or steam-flaked corn finishing diets with or without twenty-five percent dried distillers grains on ruminal fermentation and apparent total tract digestion.

    M. L. May;M. J. Quinn;C. D. Reinhardt;L. Murray

  • Optimizing use of distillers grains in finishing diets containing steam-flaked corn.

    B. E. Depenbusch;E. R. Loe;J. J. Sindt;N. A. Cole

Frequent Co-Authors

Evan C. Titgemeyer
Evan C. Titgemeyer Kansas State University
James J. Higgins
James J. Higgins Kansas State University
Tiruvoor G. Nagaraja
Tiruvoor G. Nagaraja Kansas State University
James M. Lattimer
James M. Lattimer Stony Brook University
Galen E. Erickson
Galen E. Erickson University of Nebraska–Lincoln
Michael E. Dikeman
Michael E. Dikeman Kansas State University
Bradley J. Johnson
Bradley J. Johnson Texas Tech University
Terry J. Klopfenstein
Terry J. Klopfenstein University of Nebraska–Lincoln
Jan M. Sargeant
Jan M. Sargeant University of Guelph
Rick Stock
Rick Stock University of Nebraska–Lincoln

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Related Online Degrees & Career Pathways

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Additionally, certification pathways such as bcaba accredited programs offer essential credentials for those aiming to work with animal behavior and therapy, merging psychology with veterinary expertise.

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