World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
26
Citations
3310
World Ranking
2870
National Ranking
814

Dean R. Zimmerman 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 Dean R. Zimmerman 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: 82 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Dean R. Zimmerman 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 Dean R. Zimmerman 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: 26 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Overview

Dean R. Zimmerman was affiliated with Iowa State University in the United States. Their academic career involved contributions to research, primarily associated with this institution.

There are no recorded recent papers, co-authors, or frequent publication venues linked to their work in the available data. Similarly, no specific main fields, subfields, or main topics of study have been documented in the source information.

The available data did not list book publications or awards received during their career. As the scientist is noted as deceased, the entirety of their work and career is viewed in a historical context.

Best Publications

  • Use of plasma urea nitrogen as a rapid response criterion to determine the lysine requirement of pigs.

    J Coma;D Carrion;D R Zimmerman

  • Nutritional Regulation of Porcine Bacterial-Induced Colitis by Conjugated Linoleic Acid

    Raquel Hontecillas;Michael J. Wannemeulher;Dean R. Zimmerman;David L. Hutto

  • Effect of chronic immune system activation on the rate, efficiency, and composition of growth and lysine needs of pigs fed from 6 to 27 kg.

    N H Williams;T S Stahly;D R Zimmerman

  • Effects of dietary conjugated linoleic acid in nursery pigs of dirty and clean environments on growth, empty body composition, and immune competence.

    J Bassaganya-Riera;R Hontecillas-Magarzo;K Bregendahl;M J Wannemuehler

  • Duration of feeding conjugated linoleic acid influences growth performance, carcass traits, and meat quality of finishing barrows

    B R Wiegand;J C Sparks;F C Parrish;D R Zimmerman

  • Effect of Weaning and Age at Weaning on Baby Pig Performance

    V. D. Leibbrandt;R. C. Ewan;V. C. Speer;Dean R. Zimmerman

  • Effect of level of chronic immune system activation on the growth and dietary lysine needs of pigs fed from 6 to 112 kg.

    N H Williams;T S Stahly;D R Zimmerman

  • Effect of chronic immune system activation on body nitrogen retention, partial efficiency of lysine utilization, and lysine needs of pigs.

    N H Williams;T S Stahly;D R Zimmerman

  • Starter Protein Nutrition and Compensatory Responses in Swine

    Dean R. Zimmerman;Sarote Khajarern

  • Dietary Conjugated Linoleic Acid Modulates Phenotype and Effector Functions of Porcine CD8+ Lymphocytes

    Josep Bassaganya-Riera;Raquel Hontecillas;Dean R. Zimmerman;Michael J. Wannemuehler

  • ROLE OF SUBTHERAPEUTIC LEVELS OF ANTIMICROBIALS IN PIG PRODUCTION

    Dean R. Zimmerman

  • The effect of dietary active dry yeast supplement on performance of sows during gestation-lactation and their pigs.

    M H Jurgens;R A Rikabi;D R Zimmerman

  • Colostral milk fat percentage and pig performance are enhanced by feeding the leucine metabolite beta-hydroxy-beta-methyl butyrate to sows

    Steven Nissen;Terry D. Faidley;Dean R. Zimmerman;Ryan Izard

  • Relationship of rate of lean tissue growth and other factors to concentration of urea in plasma of pigs.

    J Coma;D R Zimmerman;D Carrion

  • Effects of excess dietary leucine and leucine catabolites on growth and immune responses in weanling pigs.

    R Gatnau;D R Zimmerman;S L Nissen;M Wannemuehler

  • Few differences found between early- and late-weaned pigs raised in the same environment.

    L M Hohenshell;J E Cunnick;S P Ford;H G Kattesh

  • Interaction of swine nursery and grow-finish space allocations on performance.

    Michael C. Brumm;M. Ellis;L. J. Johnston;D. W. Rozeboom

  • Diurnal Variation in Concentrations of Plasma Urea Nitrogen and Amino Acids in Pigs Given Free Access to Feed or Fed Twice Daily

    Yongjiu Cai;Dean R. Zimmerman;Richard C. Ewan

  • Lysine requirement of the lactating sow determined by using plasma urea nitrogen as a rapid response criterion.

    J Coma;D R Zimmerman;D Carrion

  • Effects of dietary cellulose levels in intact and cecectomized pigs.

    Juan Gargallo;Dean R. Zimmerman

  • Long-term influence of lipid nutrition on the induction of CD8(+) responses to viral or bacterial antigens.

    J Bassaganya-Riera;R Hontecillas;D.R Zimmerman;M.J Wannemuehler

  • Effect of Age and Calorie: Protein Ratio on Performance and Body Composition of Baby Pigs

    V. D. Leibbrandt;R. C. Ewan;V. C. Speer;Dean R. Zimmerman

  • Effect of casein and starch infusion in the large intestine on nitrogen metabolism of growing swine.

    Juan Gargallo;Dean Zimmerman

  • Effects of dietary cellulose and neomycin on function of the cecum of pigs.

    Juan Gargallo;Dean R. Zimmerman

  • Interactive effects of feed intake and stage of growth on the lysine requirement of pigs

    J. Coma;D. R. Zimmerman;D. Carrion

  • Evaluation of Infrared-Roasted and Extruder-Processed Soybeans in Baby Pig Diets

    J. L. Faber;Dean R. Zimmerman

  • Impact of feeding regimen on behavioral and physiological indicators for feeding motivation and satiety, immune function, and performance of gestating sows.

    M W Douglas;J E Cunnick;J C Pekas;D R Zimmerman

  • Sulfur amino acid requirement of the lactating sow.

    M. C. Ganguli;V. C. Speer;R. C. Ewan;Dean R. Zimmerman

Frequent Co-Authors

Michael J. Wannemuehler
Michael J. Wannemuehler Iowa State University
Jerry L. Sell
Jerry L. Sell Iowa State University
Michael Ellis
Michael Ellis University of Illinois at Urbana-Champaign
Lee J Johnston
Lee J Johnston University of Minnesota
Dong U. Ahn
Dong U. Ahn Iowa State University
Raquel Hontecillas
Raquel Hontecillas Virginia Tech

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Related Online Degrees & Career Pathways

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By exploring these related degrees and career options, students can tailor their educational journey to fit diverse interests in animal care, science, and management.

Best Scientists Citing Dean R. Zimmerman