World's Best Scientists 2026 revealed!
Barend Louis Penzhorn

Barend Louis Penzhorn

Award Badge
Animal Science and Veterinary
South Africa
2025

D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
5217
World Ranking
1512
National Ranking
13

Barend Louis Penzhorn 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 Barend Louis Penzhorn 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: 141 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Barend Louis Penzhorn 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 Barend Louis Penzhorn 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: 37 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Animal Science and Veterinary in South Africa Leader Award

Overview

Barend Louis Penzhorn is affiliated with the University of Pretoria in South Africa. Their research focuses primarily on the fields of Medicine, Immunology and Microbiology, and Agricultural and Biological Sciences.

Their main areas of study include Parasitology, Infectious Diseases, Ecology, Evolution, Behavior and Systematics, Public Health, Environmental and Occupational Health, and Epidemiology. They have contributed extensively to topics related to Vector-borne infectious diseases, Viral Infections and Vectors, Vector-Borne Animal Diseases, Mosquito-borne diseases and control, Zoonotic diseases and public health, Virology and Viral Diseases, and Parasite Biology and Host Interactions.

Barend Louis Penzhorn has published in several scientific venues, with frequent publications in Parasites & Vectors, Veterinary Parasitology, International Journal for Parasitology Parasites and Wildlife, Frontiers in Veterinary Science, and Ticks and Tick-borne Diseases.

Recent papers authored or co-authored by Penzhorn include:

  • "Babesia Species of Domestic Cats: Molecular Characterization Has Opened Pandora's Box", 2020, Frontiers in Veterinary Science
  • "Parasites and vector-borne diseases disseminated by rehomed dogs", 2020, Parasites & Vectors
  • "TroCCAP recommendations for the diagnosis, prevention and treatment of parasitic infections in dogs and cats in the tropics", 2020, Veterinary Parasitology
  • "Don't let sleeping dogs lie: unravelling the identity and taxonomy of Babesia canis, Babesia rossi and Babesia vogeli", 2020, Parasites & Vectors
  • "Molecular detection of tick-borne pathogens in caracals (Caracal caracal) living in human-modified landscapes of South Africa", 2020, Parasites & Vectors

Frequent collaborators working alongside Penzhorn include Marinda C. Oosthuizen, Gad Baneth, Filipe Dantas-Torres, Peter Irwin, and Domenico Otranto.

Best Publications

  • Tick, fly, and mosquito control--lessons from the past, solutions for the future.

    R.J. Peter;P. Van den Bossche;B.L. Penzhorn;B. Sharp

  • Babesia conradae, sp. Nov., a small canine Babesia identified in California.

    Anne M. Kjemtrup;Katlyn Wainwright;Melissa Miller;B.L. Penzhorn

  • Confirmation of occurrence of Babesia canis vogeli in domestic dogs in South Africa.

    P.T Matjila;B.L Penzhorn;C.P.J Bekker;A.M Nijhof;A.M Nijhof

  • Babesiosis of wild carnivores and ungulates.

    Barend Louis Penzhorn

  • Sequence heterogeneity in the 18S rRNA gene within Theileria equi and Babesia caballi from horses in South Africa.

    Raksha Bhoora;Linda Franssen;Linda Franssen;Marinda C. Oosthuizen;Alan John Guthrie

  • Molecular Characterization of Theileria Species Associated with Mortality in Four Species of African Antelopes

    A. M. Nijhof;V. Pillay;J. Steyl;L. Prozesky

  • Molecular evidence for transplacental transmission of Theileria equi from carrier mares to their apparently healthy foals.

    M.T.E.P. Allsopp;B.D. Lewis;Barend Louis Penzhorn

  • Identification of a Novel Babesia sp. from a Sable Antelope (Hippotragus niger Harris, 1838)

    Marinda C. Oosthuizen;Erich Zweygarth;Nicola E. Collins;Milana Troskie

  • Molecular detection of tick-borne protozoal and ehrlichial infections in domestic dogs in South Africa.

    Paul Tshepo Matjila;Andrew L. Leisewitz;Frans Jongejan;Frans Jongejan;Barend L. Penzhorn

  • Displacement of Boophilus decoloratus by Boophilus microplus in the Soutpansberg region, Limpopo Province, South Africa.

    M.H. Tønnesen;B.L. Penzhorn;N.R. Bryson;W.H. Stoltsz

  • Occurrence and diversity of bovine coccidia at three localities in South Africa

    P.T Matjila;B.L Penzhorn

  • A Long-term Study of Social Organisation and Behaviour of Cape Mountain Zebras Equus zebra zebra

    Unknown

  • Detection of a Theileria species in dogs in South Africa.

    P.T. Matjila;A.L. Leisewitz;M.C. Oosthuizen;F. Jongejan;F. Jongejan

  • Seroprevalence of toxoplasmosis in sheep in South Africa

    N. Abu Samraa;C.M.E. McCrindle;B.L. Penzhorn;B. Cenci-Goga

  • Occurrence of Babesia felis and Babesia leo in various wild felid species and domestic cats in Southern Africa, based on reverse line blot analysis

    Anna-Mari Bosman;Estelle Hildegard Venter;Barend Louis Penzhorn

  • Canine Leishmaniasis Control in the Context of One Health.

    Filipe Dantas-Torres;Guadalupe Miró;Gad Baneth;Patrick Bourdeau

  • Occurrence of tick-transmitted pathogens in dogs in Jos, Plateau State, Nigeria

    Mathew Adamu;Milana Troskie;David O. Oshadu;Dikeledi Petunia Malatji

  • The influence of the African Elephant on the vegetation of the Addo Elephant National Park

    B.L. Penzhorn;P.J. Robbertse;Maria C. Olivier

  • Babesia leo n. sp. from lions in the Kruger National Park, South Africa, and its relation to other small piroplasms.

    Barend L. Penzhorn;Anne M. Kjemtrup;Laura M. López-Rebollar;Patricia A. Conrad

  • Why is Southern African canine babesiosis so virulent? An evolutionary perspective.

    Barend Louis Penzhorn

  • Babesia lengau sp. nov., a Novel Babesia Species in Cheetah (Acinonyx jubatus, Schreber, 1775) Populations in South Africa

    Anna-Mari Bosman;Marinda C. Oosthuizen;Michael A. Peirce;Estelle Hildegard Venter

  • Identification of novel Babesia and Theileria species in South African giraffe (Giraffa camelopardalis, Linnaeus, 1758) and roan antelope (Hippotragus equinus, Desmarest 1804).

    Marinda C. Oosthuizen;Basil A. Allsopp;Milana Troskie;Nicola E. Collins

  • Intradermal tuberculin testing of wild African lions (Panthera leo) naturally exposed to infection with Mycobacterium bovis.

    D.F. Keet;A.L. Michel;R.G. Bengis;P. Becker;P. Becker

  • Extracts of Calpurnia aurea leaves from southern Ethiopia attract and immobilise or kill ticks

    A. Zorloni;Barend Louis Penzhorn;Jacobus Nicolaas Eloff

  • Short communication Molecular detection of tick-borne protozoal and ehrlichial infections in domestic dogs in South Africa

    Paul Tshepo Matjila;Andrew L. Leisewitz;Frans Jongejan;Barend L. Penzhorn

Frequent Co-Authors

Marinda C. Oosthuizen
Marinda C. Oosthuizen University of Pretoria
Frans Jongejan
Frans Jongejan University of Pretoria
Ivan Gerard Horak
Ivan Gerard Horak University of Pretoria
Rosina C. Krecek
Rosina C. Krecek University of Johannesburg
P. Van den Bossche
P. Van den Bossche University of Pretoria
Rebecca J. Traub
Rebecca J. Traub City University of Hong Kong
Filipe Dantas-Torres
Filipe Dantas-Torres Oswaldo Cruz Foundation
Gad Baneth
Gad Baneth Hebrew University of Jerusalem
Ard M. Nijhof
Ard M. Nijhof Freie Universität Berlin
Peter J. Irwin
Peter J. Irwin Murdoch University

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