World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
24
Citations
1875
World Ranking
3035
National Ranking
866

Alan Fecchio 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 Alan Fecchio 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: 69 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Alan Fecchio 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 Alan Fecchio 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: 24 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Alan Fecchio is affiliated with Drexel University in the United States and is active in research within the fields of Immunology and Microbiology, particularly focusing on parasitology and infectious diseases. Their scholarly contributions predominantly explore the interactions between avian hosts and parasites, especially haemosporidian infections and avian malaria.

Their work covers several interconnected topics, including:

  • Bird parasitology and diseases
  • Vector-borne infectious diseases
  • Viral infections and vectors
  • Parasite biology and host interactions
  • Avian ecology and behavior
  • Animal behavior and reproduction
  • Helminth infection and control

Fecchio's research publications have appeared in various scientific venues. The most frequent publication outlets include:

  • Parasitology Research
  • International Journal for Parasitology
  • Journal of Avian Biology
  • Parasitology
  • Ecography

Recent papers authored or coauthored by Fecchio demonstrate ongoing investigations into the ecology and evolution of avian parasites. Notable examples include:

  • Global drivers of avian haemosporidian infections vary across zoogeographical regions (2021), published in Global Ecology and Biogeography
  • Evolutionary ecology, taxonomy, and systematics of avian malaria and related parasites (2020), published in Acta Tropica

Fecchio frequently collaborates with other researchers in related fields. Frequent coauthors include:

  • Jeffrey A. Bell
  • Jason D. Weckstein
  • Vasyl V. Tkach
  • Érika Martins Braga
  • Karin Kirchgatter

Their scholarly contributions emphasize parasitology with a strong focus on the host-parasite relationship in avian species, highlighting patterns of infection, transmission, and evolutionary dynamics. This body of work supports broader understanding in epidemiology, vector biology, and disease control in wildlife populations.

Best Publications

  • Climate variation influences host specificity in avian malaria parasites

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

  • Avian migration and the distribution of malaria parasites in New World passerine birds

    Robert E. Ricklefs;Matthew Medeiros;Vincenzo A. Ellis;Maria Svensson‐Coelho

  • Structure and organization of an avian haemosporidian assemblage in a Neotropical savanna in Brazil.

    Alan Fecchio;Marcos Robalinho Lima;Maria Svensson-Coelho;Miguel Ângelo Marini

  • High prevalence of blood parasites in social birds from a neotropical savanna in Brazil

    Alan Fecchio;Marcos Robalinho Lima;Patrícia Silveira;Érika Martins Braga

  • 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

  • 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

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

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

  • An inverse latitudinal gradient in infection probability and phylogenetic diversity for Leucocytozoon blood parasites in New World birds.

    Alan Fecchio;Jeffrey A. Bell;Mariane Bosholn;Jefferson A. Vaughan

  • Evolutionary ecology, taxonomy, and systematics of avian malaria and related parasites

    Alan Fecchio;Carolina R.F. Chagas;Jeffrey A. Bell;Karin Kirchgatter

  • Diversification by host switching and dispersal shaped the diversity and distribution of avian malaria parasites in Amazonia

    Alan Fecchio;Alan Fecchio;Jeffrey Andrew Bell;Michael David Collins;Izeni Pires Farias

  • Molecular phylogeny of Diplostomum, Tylodelphys, Austrodiplostomum and Paralaria (Digenea: Diplostomidae) necessitates systematic changes and reveals a history of evolutionary host switching events

    Tyler J. Achatz;Jakson R. Martens;Aneta Kostadinova;Eric E. Pulis

  • Migratory birds have higher prevalence and richness of avian haemosporidian parasites than residents.

    Daniela de Angeli Dutra;Alan Fecchio;Érika Martins Braga;Robert Poulin

  • Avian malaria, ecological host traits and mosquito abundance in southeastern Amazonia.

    Alan Fecchio;Vincenzo A Ellis;Jeffrey A Bell;Christian B Andretti

  • Migrant birds disperse haemosporidian parasites and affect their transmission in avian communities

    Daniela de Angeli Dutra;Antoine Filion;Alan Fecchio;Érika Martins Braga

  • Effects of avian malaria on male behaviour and female visitation in lekking blue‐crowned manakins

    Mariane Bosholn;Alan Fecchio;Alan Fecchio;Alan Fecchio;Patricia Silveira;Érika M. Braga

  • Blood parasites in passerine birds from the Brazilian Atlantic Forest

    Fabiane Sebaio;Érika Martins Braga;Felipe Branquinho;Alan Fecchio

  • Low prevalence of haemosporidian parasites in the introduced house sparrow (Passer domesticus) in Brazil

    Marcos Robalinho Lima;Marcos Robalinho Lima;Lucy Simpson;Alan Fecchio;Cynthia M. Kyaw

  • Unravelling the diversity of the Crassiphialinae (Digenea: Diplostomidae) with molecular phylogeny and descriptions of five new species

    Tyler J. Achatz;Tyler J. Achatz;Taylor P. Chermak;Jakson R. Martens;Eric E. Pulis

  • Host associations and turnover of haemosporidian parasites in manakins (Aves: Pipridae).

    Alan Fecchio;Maria Svensson-Coelho;Jeffrey Bell;Vincenzo A. Ellis

  • First Record of Leucocytozoon (Haemosporida: Leucocytozoidae) in Amazonia: Evidence for Rarity in Neotropical Lowlands or Lack of Sampling for This Parasite Genus?

    Alan Fecchio;Patrícia Silveira;Jason D. Weckstein;Janice H. Dispoto

  • Ticks of the genus Amblyomma (Acari: Ixodidae) on wild birds in the Brazilian Amazon

    Thiago Fernandes Martins;Alan Fecchio;Marcelo Bahia Labruna

Frequent Co-Authors

Jason D. Weckstein
Jason D. Weckstein Drexel University
Vasyl V. Tkach
Vasyl V. Tkach University of North Dakota
Thiago F. Martins
Thiago F. Martins Universidade de São Paulo
Miguel Ângelo Marini
Miguel Ângelo Marini University of Brasília
Vincenzo A. Ellis
Vincenzo A. Ellis University of Delaware
Marcelo B. Labruna
Marcelo B. Labruna Universidade de São Paulo
Robert E. Ricklefs
Robert E. Ricklefs University of Missouri–St. Louis
Izeni Pires Farias
Izeni Pires Farias Federal University of Amazonas
Robert Poulin
Robert Poulin University of Otago
Maria Ogrzewalska
Maria Ogrzewalska Oswaldo Cruz Foundation

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