World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
39
Citations
4842
World Ranking
1329
National Ranking
40

Richard C. Pacheco 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 Richard C. Pacheco 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: 142 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.

Richard C. Pacheco 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 Richard C. Pacheco 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: 39 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Richard C. Pacheco is affiliated with the Universidade Federal de Mato Grosso in Brazil. Their research primarily spans the fields of Immunology and Microbiology, with significant contributions to Medicine. The main subfields of their work include Parasitology, Infectious Diseases, Ecology, Epidemiology, as well as Ecology, Evolution, Behavior and Systematics.

The scientist's research topics cover several areas related to vector-borne and parasitic infections. Key topics addressed in their work include Vector-borne infectious diseases, Viral Infections and Vectors, Parasitic Infections and Diagnostics, Parasite Biology and Host Interactions, Toxoplasma gondii Research Studies, Mosquito-borne diseases and control, and Helminth infection and control.

Richard C. Pacheco has published extensively in various peer-reviewed venues. The following are some of the frequent publication outlets:

  • Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology
  • Veterinary Parasitology Regional Studies and Reports
  • Acta Tropica
  • Ticks and Tick-borne Diseases
  • International Journal of Acarology

Among their recent papers are the following:

  • "Natural SARS-CoV-2 Infection in a Free-Ranging Black-Tailed Marmoset (Mico melanurus) from an Urban Area in Mid-West Brazil" (2022) published in Journal of Comparative Pathology
  • "Relapsing Fever Group Borreliae in Human-Biting Soft Ticks, Brazil" (2020) published in Emerging infectious diseases
  • "Isolation and genotyping of Toxoplasma gondii in the Midwestern Brazil revealed high genetic diversity and new genotypes" (2020) published in Acta Tropica
  • "Small mammals, ticks and rickettsiae in natural and human-modified landscapes: Diversity and occurrence of Brazilian spotted fever in Brazil" (2021) published in Ticks and Tick-borne Diseases
  • "Endoparasites of capybaras (Hydrochoerus hydrochaeris) from anthropized and natural areas of Brazil" (2021) published in Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology

Collaborative work is a significant aspect of Richard C. Pacheco's research methodology. Frequent coauthors include:

  • Maerle Oliveira Maia
  • Daniel Moura de Aguiar
  • Victória Luiza de Barros Silva
  • Marcelo B. Labruna
  • Dirceu Guilherme de Souza Ramos

Best Publications

  • Detection of Rickettsia rickettsii in the tick Amblyomma cajennense in a new Brazilian spotted fever-endemic area in the state of Minas Gerais

    Elizangela Guedes;Romario C. Leite;Marcia C. A. Prata;Richard C. Pacheco

  • Geographical distribution of Amblyomma cajennense (sensu lato) ticks (Parasitiformes: Ixodidae) in Brazil, with description of the nymph of A. cajennense (sensu stricto).

    Thiago F. Martins;Amália R. M. Barbieri;Francisco B. Costa;Flávio A. Terassini

  • Rickettsia parkeri in Brazil.

    Iara Silveira;Richard C. Pacheco;Matias P. J. Szabó;Hernani G. C. Ramos

  • Serosurvey of Rickettsia spp. in dogs and humans from an endemic area for Brazilian spotted fever in the State of São Paulo, Brazil

    Adriano Pinter;Maurício C. Horta;Richard C. Pacheco;Jonas Moraes-Filho

  • Experimental infection of dogs with a Brazilian strain of Rickettsia rickettsii: clinical and laboratory findings

    E. M Piranda;João Luiz Horácio Faccini;Adriano Pinter;Taís Berelli Saito

  • Isolation of Rickettsia rhipicephali and Rickettsia bellii from Haemaphysalis juxtakochi ticks in the state of São Paulo, Brazil.

    Marcelo B. Labruna;Richard C. Pacheco;Leonardo J. Richtzenhain;Matias P. J. Szabó

  • Infection by Rickettsia bellii and Candidatus "Rickettsia amblyommii" in Amblyomma neumanni ticks from Argentina.

    Marcelo B. Labruna;Richard C. Pacheco;Santiago Nava;Paulo E. Brandão

  • Experimental infection of Rhipicephalus sanguineus ticks with the bacterium Rickettsia rickettsii, using experimentally infected dogs.

    Eliane M. Piranda;João Luiz H. Faccini;Adriano Pinter;Richard C. Pacheco

  • Epidemiology of capybara-associated Brazilian spotted fever

    Hermes R. Luz;Hermes R. Luz;Francisco B. Costa;Hector R. Benatti;Vanessa N. Ramos;Vanessa N. Ramos

  • Ticks (Acari: Ixodidae) Infesting Birds in an Atlantic Rain Forest Region of Brazil

    Maria Ogrzewalska;Richard de Campos Pacheco;Alexandre Uezu;Leonardo José Richtzenhain

  • Ecological aspects of the free-living ticks (Acari: Ixodidae) on animal trails within Atlantic rainforest in south–eastern Brazil

    M. P. J. Szabó;M. B. Labruna;M. V. Garcia;A. Pinter

  • Canine infection by rickettsiae and ehrlichiae in southern Brazil

    Taís B. Saito;Nilton A. Cunha-Filho;Richard C. Pacheco;Fernando Ferreira

  • New epidemiological data on Brazilian spotted fever in an endemic area of the state of São Paulo, Brazil.

    Jonas Moraes-Filho;Adriano Pinter;Richard C. Pacheco;Thais B. Gutmann

  • A novel Ehrlichia genotype strain distinguished by the TRP36 gene naturally infects cattle in Brazil and causes clinical manifestations associated with ehrlichiosis.

    Daniel M. Aguiar;Daniel M. Aguiar;Thayza F. Ziliani;Xiaofeng Zhang;Andreia L.T. Melo

  • Rickettsial infection in capybaras (Hydrochoerus hydrochaeris from São Paulo, Brazil: serological evidence for infection by Rickettsia bellii and Rickettsia parkeri

    Richard de Campos Pacheco;Maurício Cláudio Horta;Jonas Moraes-Filho;Alexandre Camargo Ataliba

  • Rocky Mountain spotted fever in dogs, Brazil.

    Marcelo Bahia Labruna;Orson Kamakura;Jonas Moraes-Filho;Maurício Cláudio Horta

  • Rickettsial infections of dogs, horses and ticks in Juiz de Fora, southeastern Brazil, and isolation of Rickettsia rickettsii from Rhipicephalus sanguineus ticks

    R. C. Pacheco;J. Moraes-Filho;E. Guedes;I. Silveira

  • Coxiella burnetii in ticks, Argentina.

    Richard C. Pacheco;Ignacio Eduardo Echaide;Rosiane N. Alves;Marcelo E. Beletti

  • Rickettsial infection in ticks (Acari: Ixodidae) of wild animals in midwestern Brazil

    Rute Witter;Thiago F. Martins;Artur K. Campos;Andréia L.T. Melo

  • Seroprevalence and risk factors to Ehrlichia spp. and Rickettsia spp. in dogs from the Pantanal Region of Mato Grosso State, Brazil.

    Andréia L.T. Melo;Thiago F. Martins;Maurício C. Horta;Jonas Moraes-Filho

  • Rickettsial infection in Amblyomma nodosum ticks (Acari: Ixodidae) from Brazil

    Maria Ogrzewalska;Richard de Campos Pacheco;Alexandre Uezu;Leonardo José Richtzenhain

  • Detection of a novel spotted fever group rickettsia in Amblyomma parvum ticks (Acari: Ixodidae) from Argentina

    Richard C. Pacheco;Jonas Moraes-Filho;Santiago Nava;Paulo E. Brandão

Frequent Co-Authors

Marcelo B. Labruna
Marcelo B. Labruna Universidade de São Paulo
Daniel Moura de Aguiar
Daniel Moura de Aguiar Universidade Federal de Mato Grosso
Thiago F. Martins
Thiago F. Martins Universidade de São Paulo
Jonas Moraes-Filho
Jonas Moraes-Filho Universidade de São Paulo
Mauricio Claudio Horta
Mauricio Claudio Horta Universidade Federal do Vale do São Francisco
Adriano Pinter
Adriano Pinter Universidade de São Paulo
Arlei Marcili
Arlei Marcili Universidade de São Paulo
Matias Pablo Juan Szabó
Matias Pablo Juan Szabó Federal University of Uberlândia
Sebastián Muñoz-Leal
Sebastián Muñoz-Leal University of Concepción
Maria Ogrzewalska
Maria Ogrzewalska Oswaldo Cruz Foundation

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Exploring these online degree options and career pathways broadens the scope of animal-related professions, supporting a holistic approach to animal and human well-being.

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