World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
55
Citations
11628
World Ranking
444
National Ranking
1

Ray M. Kaplan 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 Ray M. Kaplan 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: 143 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Ray M. Kaplan 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 Ray M. Kaplan 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: 55 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Overview

Ray M. Kaplan is affiliated with the University of Georgia in the United States. Their research primarily focuses on veterinary sciences, with significant contributions in related fields including immunology and microbiology, as well as agricultural and biological sciences.

The scientist's research topics encompass a wide range of parasitology and veterinary-related areas. Notable main topics include helminth infection and control, parasite biology and host interactions, parasitic infections and diagnostics, coccidia and coccidiosis research, parasitic diseases research and treatment, and nematode management and characterization studies.

Ray M. Kaplan has published extensively, with frequent appearances in several key scientific journals. The primary publication venues include Veterinary Parasitology, bioRxiv (Cold Spring Harbor Laboratory), International Journal for Parasitology Drugs and Drug Resistance, Veterinary Clinics of North America Food Animal Practice, and PLoS Pathogens.

Selected recent papers highlight their contributions to understanding anthelmintic resistance and parasitic disease management:

  • Biology, Epidemiology, Diagnosis, and Management of Anthelmintic Resistance in Gastrointestinal Nematodes of Livestock, 2020, Veterinary Clinics of North America Food Animal Practice
  • World Association for the Advancement of Veterinary Parasitology (W.A.A.V.P.) guideline for diagnosing anthelmintic resistance using the faecal egg count reduction test in ruminants, horses and swine, 2023, Veterinary Parasitology
  • Molecular evidence of widespread benzimidazole drug resistance in Ancylostoma caninum from domestic dogs throughout the USA and discovery of a novel β-tubulin benzimidazole resistance mutation, 2023, PLoS Pathogens
  • Genomic landscape of drug response reveals mediators of anthelmintic resistance, 2022, Cell Reports
  • Multiple drug resistance in hookworms infecting greyhound dogs in the USA, 2021, International Journal for Parasitology Drugs and Drug Resistance

Frequent co-authors collaborating with Ray M. Kaplan include John S. Gilleard, Pablo D. Jimenez Castro, Sue Howell, James B. Collins, and Roz Laing.

Their work spans key subfields such as small animals, parasitology, ecology, animal science and zoology, and infectious diseases. These areas reflect a broad interest in animal health and parasitic organism interactions, supporting both laboratory and field studies.

Best Publications

  • Drug resistance in nematodes of veterinary importance: a status report

    Ray M. Kaplan

  • An inconvenient truth: global worming and anthelmintic resistance.

    Ray M. Kaplan;Anand N. Vidyashankar

  • Validation of the FAMACHA eye color chart for detecting clinical anemia in sheep and goats on farms in the southern United States.

    R.M Kaplan;J.M Burke;T.H Terrill;J.E Miller

  • Anthelmintic resistance in nematodes of horses.

    Ray M. Kaplan

  • An evidence-based approach to equine parasite control: it ain't the 60s anymore

    Ray M. Kaplan;Martin Krarup Nielsen

  • Targeted selective treatment for worm management—How do we sell rational programs to farmers?

    J.A. van Wyk;H. Hoste;R.M. Kaplan;R.B. Besier

  • Prevalence of anthelmintic resistance on sheep and goat farms in the southeastern United States.

    Sue B Howell;Joan M Burke;James E Miller;Thomas H Terrill

  • Prevalence of anthelmintic resistant cyathostomes on horse farms.

    Ray M. Kaplan;Thomas R. Klei;Eugene T. Lyons;Guy Lester;Guy Lester

  • Anthelmintic resistance in important parasites of horses: does it really matter?

    Andrew S. Peregrine;Marcelo Beltrão Molento;Ray M. Kaplan;Martin K. Nielsen

  • Sericea lespedeza hay as a natural deworming agent against gastrointestinal nematode infection in goats.

    S.A. Shaik;T.H. Terrill;J.E. Miller;B. Kouakou

  • Biology, Epidemiology, Diagnosis, and Management of Anthelmintic Resistance in Gastrointestinal Nematodes of Livestock.

    Ray M. Kaplan

  • World Association for the Advancement of Veterinary Parasitology (W.A.A.V.P.) guideline for diagnosing anthelmintic resistance using the faecal egg count reduction test in ruminants, horses and swine.

    Unknown

  • Evaluation of prevalence and clinical implications of anthelmintic resistance in gastrointestinal nematodes in goats.

    Lars L Mortensen;Lisa H Williamson;Thomas H Terrill;Robin A Kircher

  • Association between Response to Albendazole Treatment and β-Tubulin Genotype Frequencies in Soil-transmitted Helminths

    Aïssatou Diawara;Carli M. Halpenny;Thomas S. Churcher;Charles Mwandawiro

  • Climatic influences on development and survival of free-living stages of equine strongyles: implications for worm control strategies and managing anthelmintic resistance.

    Martin K. Nielsen;Ray M. Kaplan;Stig M. Thamsborg;Jesper Monrad

  • Multiple drug resistance in the canine hookworm Ancylostoma caninum : an emerging threat?

    Pablo D. Jimenez Castro;Pablo D. Jimenez Castro;Sue B. Howell;John J. Schaefer;Russell W. Avramenko

  • Accuracy of the FAMACHA system for on-farm use by sheep and goat producers in the southeastern United States.

    J.M. Burke;R.M. Kaplan;J.E. Miller;T.H. Terrill

  • Candidate anthelmintic resistance-associated gene expression and sequence polymorphisms in a triple-resistant field isolate of Haemonchus contortus.

    Sally M. Williamson;Bob Storey;Sue Howell;Kate M. Harper

  • Anthelmintic resistance on goat farms in Georgia: efficacy of anthelmintics against gastrointestinal nematodes in two selected goat herds.

    Thomas H Terrill;Ray M Kaplan;Michael Larsen;Oreta M Samples

  • Fasciola hepatica: A Review of the Economic Impact in Cattle and Considerations for Control

    Ray M. Kaplan

  • Anthelmintic Resistance of Gastrointestinal Parasites in Small Ruminants

    Sherrill A. Fleming;Tom Craig;Ray M. Kaplan;James E. Miller

  • Statistical and biological considerations in evaluating drug efficacy in equine strongyle parasites using fecal egg count data.

    A.N. Vidyashankar;B.M. Hanlon;R.M. Kaplan

  • Anthelmintic resistance in equine parasites—Current evidence and knowledge gaps

    M.K. Nielsen;C.R. Reinemeyer;J.M. Donecker;D.M. Leathwick

  • Effects of fecal collection and storage factors on strongylid egg counts in horses

    M.K. Nielsen;A.N. Vidyashankar;U.V. Andersen;K. DeLisi

  • Experiences with integrated concepts for the control of Haemonchus contortus in sheep and goats in the United States.

    Thomas H. Terrill;James E. Miller;Joan M. Burke;Jorge A. Mosjidis

  • Molecular and Biological Diagnostic Tests for Monitoring Benzimidazole Resistance in Human Soil-Transmitted Helminths

    Aïssatou Diawara;Jan M. Schwenkenbecher;Ray M. Kaplan;Roger K. Prichard

Frequent Co-Authors

Martin K. Nielsen
Martin K. Nielsen Aarhus University
Thomas H. Terrill
Thomas H. Terrill Fort Valley State University
James E. Miller
James E. Miller Louisiana State University
Joan M. Burke
Joan M. Burke Agricultural Research Service
Jane E. Hodgkinson
Jane E. Hodgkinson University of Liverpool
John S. Gilleard
John S. Gilleard University of Calgary
M. Larsen
M. Larsen Aarhus University
David R. Smith
David R. Smith Mississippi State University
Elizabeth Redman
Elizabeth Redman University of Calgary
Kurt Pfister
Kurt Pfister Ludwig-Maximilians-Universität München

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