World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
27
Citations
2527
World Ranking
2819
National Ranking
799

J. Harold Drudge 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 J. Harold Drudge 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: 134 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

J. Harold Drudge 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 J. Harold Drudge 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: 27 D-Index — 13th percentile

13% of scientists in this discipline score the same or lower.

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

Overview

J. Harold Drudge was affiliated with the University of Kentucky in the United States throughout their academic career. The available data indicates a focus that did not prominently emphasize specific fields or subfields of study, nor does it list particular research topics, which suggests a limited public record in terms of detailed research output or thematic specialization.

There are no recorded recent papers linked to J. Harold Drudge, and no information on collaborative work with co-authors or frequent publication venues is available. This absence of documented publications and partnerships makes it challenging to outline the progression or impact of their research contributions.

No book publications associated with J. Harold Drudge have been documented. Similarly, there are no known awards or honors attributed to their name, which might have otherwise provided insight into distinctions or recognition received during their career.

The data verifies that J. Harold Drudge is deceased. Due to the lack of specifics on research output, topics, or awards, this profile focuses on the verified affiliations and status as archived in academic records.

Best Publications

  • Historical perspective of cyathostomes: prevalence, treatment and control programs.

    E.T Lyons;S.C Tolliver;J.H Drudge

  • Prevalence of selected species of internal parasites in equids at necropsy in central Kentucky (1995-1999).

    E.T Lyons;T.W Swerczek;S.C Tolliver;H.D Bair

  • Parasites in Kentucky Thoroughbreds at necropsy: emphasis on stomach worms and tapeworms.

    Lyons Et;Tolliver Sc;Drudge Jh;Swerczek Tw

  • Prevalence of internal parasites in horses in critical tests of activity of parasiticides over a 28-year period (1956-1983) in Kentucky.

    S.C. Tolliver;E.T. Lyons;J.H. Drudge

  • TRANSMISSION OF SOME SPECIES OF INTERNAL PARASITES IN HORSES BORN IN 1993,1994, AND 1995 ON THE SAME PASTURE ON A FARM IN CENTRAL KENTUCKY

    E.T. Lyons;S.C. Tolliver;S.S. Collins;J.H. Drudge

  • On the life cycle of Strongyloides westeri in the equine.

    E T Lyons;J H Drudge;S C Tolliver

  • Studies on the development and chemotherapy of larvae of Parascaris equorum (Nematoda: Ascaridoidea) in experimentally and naturally infected foals.

    Lyons Et;Drudge Jh;Tolliver Sc

  • Prevalence of some internal parasites found (1971–1989) in horses born on a farm in central kentucky

    E.T. Lyons;J.H. Drudge;S.C. Tolliver

  • Common internal parasites found in the stomach, large intestine, and cranial mesenteric artery of thoroughbreds in Kentucky at necropsy (1985 to 1986).

    E T Lyons;S C Tolliver;J H Drudge;T W Swerczek

  • Prevalence of Anoplocephala perfoliata and lesions of Draschia megastoma in Thoroughbreds in Kentucky at necropsy.

    Lyons Et;Drudge Jh;Tolliver Sc;Swerczek Tw

  • Occurrence of second and third instars of Gasterophilus intestinalis and Gasterophilus nasalis in stomachs of horses in Kentucky.

    Drudge Jh;Lyons Et;Wyant Zn;Tolliver Sc

  • Clinical Aspects of Strongylus vulgaris Infection in the Horse: Emphasis on Diagnosis, Chemotherapy, and Prophylaxis

    Unknown

  • Determination of the efficacy of pyrantel pamoate at the therapeutic dose rate against the tapeworm Anoplocephala perfoliata in equids using a modification of the critical test method.

    E.T. Lyons;J.H. Drudge;S.C. Tolliver;T.W. Swerczek

  • Critical and controlled tests of activity of moxidectin (CL 301,423) against natural infections of internal parasites of equids.

    E.T. Lyons;S.C. Tolliver;J.H. Drudge;D.E. Granstrom

  • World Association for the Advancement of Veterinary Parasitology (W.A.A.V.P.) guidelines for evaluating the efficacy of equine anthelmintics.

    J.L. Duncan;J.H. Arundel;J.H. Drudge;A. Malczewski

  • Prevalence of Strongylus vulgaris and Parascaris equorum in Kentucky thoroughbreds at necropsy.

    Lyons Et;Drudge Jh;Swerczek Tw;Crowe Mw

  • Critical test of three salts of pyrantel against internal parasites of the horse.

    Lyons Et;Drudge Jh;Tolliver Sc;Breukink Hj

  • Benzimidazole resistance of equine stronygles--critical tests of six compounds against population B.

    Drudge Jh;Lyons Et;Tolliver Sc

  • Antiparasitic activity of ivermectin in critical tests in equids.

    E. T. Lyons;J. H. Drudge;S. C. Tolliver

  • Benzimidazole resistance of equine strongyles: critical tests of several classes of compounds against population B strongyles from 1977 to 1981.

    Drudge Jh;Tolliver Sc;Lyons Et

  • Continuance of studies on Population S benzimidazole-resistant small strongyles in a Shetland pony herd in Kentucky: effect of pyrantel pamoate (1992-1999).

    E.T Lyons;S.C Tolliver;J.H Drudge;S.S Collins

  • Critical and clinical test evaluations of mebendazole against internal parasites of the horse.

    Drudge Jh;Lyons Et;Tolliver Sc

  • A study (1977–1992) of population dynamics of endoparasites featuring benzimidazole-resistant small strongyles (Population S) in Shetland ponies

    E.T. Lyons;S.C. Tolliver;J.H. Drudge;S. Stamper

  • Thelazia lacrymalis in horses in Kentucky and observations on the face fly (Musca autumnalis) as a probable intermediate host.

    E T Lyons;J H Drudge;S C Tolliver

Frequent Co-Authors

Eugene T. Lyons
Eugene T. Lyons University of Kentucky
Sharon C. Tolliver
Sharon C. Tolliver University of Kentucky
J.L. Duncan
J.L. Duncan University of Glasgow
Thomas R. Klei
Thomas R. Klei Louisiana State University

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