World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
36
Citations
7869
World Ranking
1570
National Ranking
455

Vasyl V. Tkach 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 Vasyl V. Tkach 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: 277 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Vasyl V. Tkach 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 Vasyl V. Tkach 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: 36 D-Index — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Overview

Vasyl V. Tkach is affiliated with the University of North Dakota in the United States. Their research spans multiple areas within environmental science and immunology and microbiology, with a particular focus on parasitology and host interactions.

The scientist's main fields of study include:

  • Environmental Science
  • Immunology and Microbiology

Tkach's work also extends into several subfields, including:

  • Ecology
  • Parasitology
  • Small Animals
  • Genetics
  • Ecology, Evolution, Behavior and Systematics

The key topics addressed in their publications are:

  • Parasite Biology and Host Interactions
  • Helminth infection and control
  • Bird parasitology and diseases
  • Parasites and Host Interactions
  • Vector-borne infectious diseases
  • Parasitic Infections and Diagnostics
  • Genetic diversity and population structure

Vasyl V. Tkach has contributed to multiple papers, including notable recent works such as:

  • "Global drivers of avian haemosporidian infections vary across zoogeographical regions," 2021, Global Ecology and Biogeography
  • "Molecular phylogeny of Diplostomum, Tylodelphys, Austrodiplostomum and Paralaria (Digenea: Diplostomidae) necessitates systematic changes and reveals a history of evolutionary host switching events," 2021, International Journal for Parasitology
  • "Unravelling the diversity of the Crassiphialinae (Digenea: Diplostomidae) with molecular phylogeny and descriptions of five new species," 2021, Current Research in Parasitology and Vector-Borne Diseases
  • "Phylogenetic Relationships of Cardiocephaloides spp. (Digenea, Diplostomoidea) and the Genetic Characterization of Cardiocephaloides physalis from Magellanic Penguin, Spheniscus magellanicus, in Chile," 2020, Acta Parasitologica
  • "Molecular phylogenetics and mitogenomics of three avian dicrocoeliids (Digenea: Dicrocoeliidae) and comparison with mammalian dicrocoeliids," 2020, Parasites & Vectors

The scientist frequently publishes in these venues:

  • Journal of Parasitology
  • Journal of Helminthology
  • Systematic Parasitology
  • Parasitology Research
  • Parasitology International

Among the frequent co-authors collaborating with Vasyl V. Tkach are:

  • Tyler J. Achatz
  • Jeffrey A. Bell
  • Alan Fecchio
  • Jakson R. Martens
  • Eric E. Pulis

Best Publications

  • Phylogeny and classification of the Digenea (Platyhelminthes: Trematoda).

    P.D. Olson;T.H. Cribb;V.V. Tkach;V.V. Tkach;R.A. Bray

  • Molecular phylogenetic analysis of the Microphalloidea Ward, 1901 (Trematoda: Digenea).

    Vasyl V. Tkach;D. Timothy J. Littlewood;Peter D. Olson;J. Mike Kinsella

  • Phylogenetic analysis of the suborder plagiorchiata (Platyhelminthes, Digenea) based on partial lsrDNA sequences.

    Vasyl Tkach;Jan Wojciech Pawlowski;Jan Wojciech Pawlowski;Jean Mariaux

  • Advances and trends in the molecular systematics of the parasitic Platyhelminthes.

    Peter D. Olson;Vasyl V. Tkach

  • Molecular phylogeny and systematics of the Echinostomatoidea Looss, 1899 (Platyhelminthes: Digenea)

    Vasyl V. Tkach;Olena Kudlai;Aneta Kostadinova

  • A new method of DNA extraction from the ethanol-fixed parasitic worms

    Vasyl Tkach;Jan Wojciech Pawlowski

  • PHYLOGENETIC AND BIOGEOGRAPHICAL RELATIONSHIPS AMONG SOME HOLARCTIC FROG LUNG FLUKES (DIGENEA: HAEMATOLOECHIDAE)

    Scott D. Snyder;Vasyl V. Tkach

  • Parasite Prevalence Corresponds to Host Life History in a Diverse Assemblage of Afrotropical Birds and Haemosporidian Parasites

    Holly L. Lutz;Wesley M. Hochachka;Joshua I. Engel;Jeffrey A. Bell

  • Molecular and morphological differentiation between species of the Plagiorchis vespertilionis group (Digenea, Plagiorchiidae) occurring in European bats, with a re-description of P. vespertilionis (Müller, 1780).

    Vasyl V. Tkach;Jan Pawlowski;Viktor P. Sharpilo

  • Climate variation influences host specificity in avian malaria parasites

    Alan Fecchio;Konstans Wells;Jeffrey A. Bell;Vasyl V. Tkach

  • A review of Polylekithum Arnold, 1934 and its familial affinities using morphological and molecular data, with description of Polylekithum catahoulensis sp. nov.

    Stephen S. Curran;Vasyl V. Tkach;Vasyl V. Tkach;Robin M. Overstreet

  • Molecular and morphological evidence for close phylogenetic affinities of the genera Macrodera, Leptophallus, Metaleptophallus and Paralepoderma [Digenea, Plagiorchiata]

    V Tkach;B Grabda-Kazubska;J Pawlowski;Z Swiderski

  • Genetic analysis of Echinococcus granulosus from humans and pigs in Poland, Slovakia and Ukraine. A multicenter study

    A H Kedra;Z Swiderski;V V Tkach;P Dubinsky

  • Building an integrated infrastructure for exploring biodiversity: field collections and archives of mammals and parasites.

    Kurt E Galbreath;Eric P Hoberg;Joseph A Cook;Blas Armién

  • The Beringian coevolution project: Holistic collections of mammals and associated parasites reveal novel perspectives on evolutionary and environmental change in the North

    Joseph A. Cook;Kurt E. Galbreath;Kayce C. Bell;Mariel L. Campbell

  • Neorickettsial endosymbionts of the digenea: diversity, transmission and distribution.

    Jefferson A Vaughan;Vasyl V Tkach;Stephen E Greiman

  • Host community similarity and geography shape the diversity and distribution of haemosporidian parasites in Amazonian birds

    A. Fecchio;R. Pinheiro;G. Felix;I. P. Faria

  • Multiple origins of European populations of the giant liver fluke Fascioloides magna (Trematoda: Fasciolidae), a liver parasite of ruminants.

    Ivica Králová-Hromadová;Eva Bazsalovicsová;Jan Štefka;Jan Štefka;Marta Špakulová

  • Global drivers of avian haemosporidian infections vary across zoogeographical regions

    Alan Fecchio;Nicholas J. Clark;Jeffrey A Bell;Heather Skeen;Heather Skeen

  • Avian host composition, local speciation and dispersal drive the regional assembly of avian malaria parasites in South American birds

    Alan Fecchio;Jeffrey A Bell;Rafael B P Pinheiro;Victor R Cueto

  • The Nematode Genus Rhabdias (Nematoda: Rhabdiasidae) from Amphibians and Reptiles of the Nearctic

    Yuriy Kuzmin;Vasyl V. Tkach;Scott D. Snyder

  • A new real-time PCR protocol for detection of avian haemosporidians

    Jeffrey A. Bell;Jason D. Weckstein;Alan Fecchio;Vasyl V. Tkach

  • Phylogenetic Affinities of Auriculostoma (Digenea: Allocreadiidae), with Descriptions of Two New Species From Peru

    Stephen S. Curran;Vasyl V. Tkach;Robin M. Overstreet

  • Molecular insight into systematics, host associations, life cycles and geographic distribution of the nematode family Rhabdiasidae.

    Vasyl V. Tkach;Yuriy Kuzmin;Scott D. Snyder

Frequent Co-Authors

Rodney A. Bray
Rodney A. Bray Natural History Museum
Jason D. Weckstein
Jason D. Weckstein Drexel University
David I. Gibson
David I. Gibson Natural History Museum
Sarah E. Bush
Sarah E. Bush University of Utah
Bernard Marchand
Bernard Marchand University of Corsica Pascal Paoli
Jan Pawlowski
Jan Pawlowski Heidelberg University
Robin M. Overstreet
Robin M. Overstreet University of Southern Mississippi
Joseph A. Cook
Joseph A. Cook University of New Mexico
Pieter T. J. Johnson
Pieter T. J. Johnson University of Colorado Boulder
Yann Quilichini
Yann Quilichini Centre national de la recherche scientifique, CNRS

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Related Online Degrees & Career Pathways

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For those aiming higher in the counseling field, exploring online counseling phd programs offers affordable options to earn doctoral credentials. This blend of education enhances career prospects in veterinary mental health support and academia.

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