World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
53
Citations
7850
World Ranking
4147
National Ranking
1606

Animal Science and Veterinary

D-Index
52
Citations
7516
World Ranking
559
National Ranking
186

Thaddeus K. Graczyk 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 Thaddeus K. Graczyk 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.

Thaddeus K. Graczyk 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 Thaddeus K. Graczyk 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: 52 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Overview

Thaddeus K. Graczyk is affiliated with Johns Hopkins University in the United States. Their professional activities are centered within this institution.

There is no available data regarding recent papers, which limits detailed insights into specific research outputs or current academic contributions.

No frequent co-authors are listed in the data, meaning there is no information on recurring collaborative relationships.

Similarly, there is no information about frequent publication venues associated with Thaddeus K. Graczyk.

There are no recorded book publications, so no data is available on any monographs or edited volumes authored or contributed by the scientist.

The source data does not identify main fields of study or subfields of particular research focus, so further details on disciplinary areas remain unspecified.

Likewise, there is no information about the main topics of work that would clarify the thematic or subject-matter emphases in the scientist's research.

No awards have been documented in the source, so there is no available information on any honors or recognitions received.

The scientist is noted as being currently alive.

Best Publications

  • The role of non-biting flies in the epidemiology of human infectious diseases.

    Thaddeus K. Graczyk;Ronald Knight;Robert H. Gilman;Michael R. Cranfield

  • Mechanical Transmission of Human Protozoan Parasites by Insects

    Thaddeus K. Graczyk;Ronald Knight;Leena Tamang

  • The Biology and Evolution of Trematodes

    Kirill V. Galaktionov;Andrej A. Dobrovolskij;Bernard Fried;Thaddeus K. Graczyk

  • Food-borne intestinal trematodiases in humans

    Bernard Fried;Thaddeus K. Graczyk;Leena Tamang

  • Advances in trematode biology

    Bernard Fried;Thaddeus K. Graczyk

  • Giardia sp. Cysts and Infectious Cryptosporidium parvum Oocysts in the Feces of Migratory Canada Geese (Branta canadensis)

    Thaddeus K. Graczyk;Ronald Fayer;James M. Trout;Earl J. Lewis

  • ANTHROPOZOONOTIC GIARDIA DUODENALIS GENOTYPE (ASSEMBLAGE) A INFECTIONS IN HABITATS OF FREE-RANGING HUMAN-HABITUATED GORILLAS, UGANDA

    Thaddeus K. Graczyk;John Bosco-Nizeyi;B. Ssebide;R. C Andrew Thompson

  • Genetic diversity of Cryptosporidium spp. in captive reptiles

    Lihua Xiao;Una M. Ryan;Thaddeus K. Graczyk;Josef Limor

  • Antibiotic resistant enterococci and staphylococci isolated from flies collected near confined poultry feeding operations

    Jay P. Graham;Lance B. Price;Sean L. Evans;Thaddeus K. Graczyk

  • Evaluation of commercial enzyme immunoassay (EIA) and immunofluorescent antibody (FA) test kits for detection of Cryptosporidium oocysts of species other than Cryptosporidium parvum.

    Thaddeus K. Graczyk;Michael R. Cranfield;Ronald Fayer

  • Cryptosporidium sp. and Giardia sp. infections in mountain gorillas (Gorilla gorilla beringei) of the Bwindi Impenetrable National Park, Uganda.

    John Bosco Nizeyi;Robert Mwebe;Ann Nanteza;Michael R. Cranfield

  • The role of birds in dissemination of human waterborne enteropathogens

    Thaddeus K. Graczyk;Anna C. Majewska;Kellogg J. Schwab

  • House flies (Musca domestica) as transport hosts of Cryptosporidium parvum.

    Thaddeus K. Graczyk;Michael R. Cranfield;Ronald Fayer;Heather Bixler

  • The association of Blastocystis hominis and Endolimax nana with diarrheal stools in Zambian school-age children

    Thaddeus K. Graczyk;Clive K. Shiff;Leena Tamang;Fair Munsaka

  • Bioaccumulation, Retention, and Depuration of Enteric Viruses by Crassostrea virginica and Crassostrea ariakensis Oysters

    Sharon P. Nappier;Thaddeus K. Graczyk;Kellogg J. Schwab

  • Identification of Cryptosporidium felis in a cow by morphologic and molecular methods.

    Fernando J. Bornay-Llinares;Fernando J. Bornay-Llinares;Alexandre J. da Silva;Iaci N. S. Moura;Przemysław Myjak

  • Environmental and Geographical Factors Contributing to Watershed Contamination with Cryptosporidium parvum Oocysts

    Thaddeus K. Graczyk;Barry M. Evans;Clive J. Shiff;Hubert J. Karreman

  • Specificity and immunobiology of larval digenean-snail associations.

    C. M. Adema;E. S. Loker;B. Fried;T. K. Graczyk

  • Cryptosporidium parvum in oysters from commercial harvesting sites in the Chesapeake Bay.

    Ronald Fayer;Earl J. Lewis;James M. Trout;Thaddeus K. Graczyk

  • Cryptosporidium parvum and Giardia lamblia recovered from flies on a cattle farm and in a landfill.

    Beata Szostakowska;Wieslawa Kruminis-Lozowska;Maria Racewicz;Ronald Knight

  • A single genotype of Encephalitozoon intestinalis infects free-ranging gorillas and people sharing their habitats in Uganda.

    Thaddeus K Graczyk;John Bosco-Nizeyi;Alexandre J da Silva;Iaci N S Moura

  • Cryptosporidiosis in people sharing habitats with free-ranging mountain gorillas (Gorilla gorilla beringei), Uganda

    John Bosco Nizeyi;Dennis Sebunya;Alexandre J Dasilva;Michael R Cranfield

Frequent Co-Authors

Michael R. Cranfield
Michael R. Cranfield University of California, Davis
Bernard Fried
Bernard Fried Lafayette College
Frances E. Lucy
Frances E. Lucy Institute of Technology Sligo
Ronald Fayer
Ronald Fayer United States Department of Agriculture
Ellen K. Silbergeld
Ellen K. Silbergeld Johns Hopkins University
Kellogg J. Schwab
Kellogg J. Schwab Johns Hopkins University
James M. Trout
James M. Trout United States Department of Agriculture
Patrick N. Breysse
Patrick N. Breysse Johns Hopkins University
Altaf A. Lal
Altaf A. Lal Sun Pharma (India)
Thomas F. McCutchan
Thomas F. McCutchan National Institutes of Health

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Related Online Degrees & Career Pathways

For students interested in animal science and veterinary fields, exploring related disciplines can broaden career opportunities. Behavioral science plays a crucial role in understanding animal behavior, making a behavioral analysis degree a valuable complement to veterinary studies.

Those interested in the psychological well-being of animals and humans alike might find pathways through accredited psychology programs. For example, nasp accredited online school psychology programs prepare students to support emotional and behavioral health in educational settings, useful in animal-assisted interventions.

Additionally, earning an advanced clinical degree can expand expertise in mental health, with options like apa accredited psyd programs online offering practical skills in therapy and research that complement veterinary behavioral studies.

Finally, addressing addiction and substance abuse through specialized counseling is another important career avenue. Students can pursue this path by enrolling in an online addiction counseling degree, which equips them to support individuals and communities facing these challenges.

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