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D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
10879
World Ranking
11017
National Ranking
4762

John E Madigan publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where John E Madigan sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 213 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

John E Madigan D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where John E Madigan sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 62 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

John E Madigan is affiliated with the University of California, Davis in the United States. Their research spans several interconnected fields related to medicine, with a particular focus on infectious diseases, surgery, parasitology, equine medicine, and emergency medical services.

Madigan's published papers cover a range of topics within veterinary medicine and related clinical studies. Recent publications include:

  • "Validation of the Alpha Defensin Lateral Flow Test for Periprosthetic Joint Infection," 2020, Journal of Bone and Joint Surgery
  • "Disaster Medicine: Implementation of an animal health database in response to the 2018 California Camp Fire," 2020, Journal of the American Veterinary Medical Association
  • "Common and atypical presentations of Anaplasma phagocytophilum infection in equids with emphasis on neurologic and muscle disease," 2023, Journal of Veterinary Internal Medicine
  • "Current Operational Model for Veterinary Care in Large Animal Shelters During Disasters," 2020, Prehospital and Disaster Medicine
  • "Steroid precursors, steroids, neuroactive steroids, and neurosteroids concentrations in serum and saliva of healthy neonatal heifer Holstein calves," 2020, Journal of Veterinary Internal Medicine

The main scientific venues where Madigan frequently publishes include:

  • Journal of Veterinary Internal Medicine
  • Journal of the American Veterinary Medical Association
  • Journal of Bone and Joint Surgery
  • Prehospital and Disaster Medicine
  • Animals

Relevant coauthors who have collaborated with Madigan on multiple occasions are:

  • Monica Aleman
  • Lais R.R. Costa
  • Hayley G. Dieckmann
  • Carl Deirmengian
  • Sujith Kallur Mallikarjuna

The primary fields of study covered by Madigan's work include:

  • Medicine

Subfields of study more specifically represented in their research are:

  • Infectious Diseases
  • Surgery
  • Parasitology
  • Equine
  • Emergency Medical Services

The main topics of Madigan's research include:

  • Vector-borne infectious diseases
  • Veterinary Equine Medical Research
  • Viral Infections and Vectors
  • Disaster Response and Management
  • Orthopedic Infections and Treatments
  • Orthopaedic implants and arthroplasty
  • Total Knee Arthroplasty Outcomes

Best Publications

  • Direct cultivation of the causative agent of human granulocytic ehrlichiosis.

    Jesse L. Goodman;Curtis Nelson;Blaise Vitale;John E. Madigan

  • Ehrlichioses in Humans: Epidemiology, Clinical Presentation, Diagnosis, and Treatment

    J. Stephen Dumler;John E. Madigan;Nicola Pusterla;Johan S. Bakken;Johan S. Bakken

  • Serologic cross-reactions among Ehrlichia equi, Ehrlichia phagocytophila, and human granulocytic Ehrlichia.

    J. S. Dumler;K. M. Asanovich;Johan S Bakken;P. Richter

  • Nested polymerase chain reaction for detection of Ehrlichia equi genomic DNA in horses and ticks (Ixodes pacificus)

    Jeffrey E. Barlough;John E. Madigan;Elfriede DeRock;Luisa Bigornia

  • Detection of Leptospira spp. in the Aqueous Humor of Horses with Naturally Acquired Recurrent Uveitis

    Nick A. Faber;Melissa Crawford;Rance B. LeFebvre;Nedim C. Buyukmihci

  • Equine ehrlichiosis in northern California: 49 cases (1968-1981).

    Madigan Je;Gribble D

  • Ixodes pacificus (Acari: Ixodidae) as a Vector of Ehrlichia equi (Rickettsiales: Ehrlichieae)

    P. J. Richter;R. B. Kimsey;John E Madigan;J. E. Barlough

  • Diagnostic testing for pituitary pars intermedia dysfunction in horses.

    N. O. Dybdal;Kenneth M Hargreaves;J. E. Madigan;D. H. Gribble

  • ankA: an Ehrlichia phagocytophila Group Gene Encoding a Cytoplasmic Protein Antigen with Ankyrin Repeats

    P. Caturegli;K. M. Asanovich;J. J. Walls;J. S. Bakken

  • Comparative pathology, and immunohistology associated with clinical illness after Ehrlichia phagocytophila-group infections.

    H Lepidi;J E Bunnell;M E Martin;J E Madigan

  • Neosporosis as a cause of equine protozoal myeloencephalitis

    Antoinette E. Marsh;Bradd C. Barr;John E Madigan;Jeffrey Lakritz

  • Antigenic Diversity of Granulocytic Ehrlichia Isolates from Humans in Wisconsin and New York and a Horse in California

    Kristin M. Asanovich;Johan S. Bakken;John E. Madigan;Maria Aguero-Rosenfeld

  • Protection against naturally acquired Rhodococcus equi pneumonia in foals by administration of hyperimmune plasma.

    John E Madigan;S. Hietala;N. Muller

  • Isolation of the equine granulocytic ehrlichiosis agent, Ehrlichia equi, in tick cell culture.

    U G Munderloh;J E Madigan;J S Dumler;J L Goodman

  • Transmission and Passage in Horses of the Agent of Human Granulocytic Ehrlichiosis

    John E. Madigan;John E. Madigan;Philip J. Richter;Philip J. Richter;Robert B. Kimsey;Robert B. Kimsey;Jeffrey E. Barlough;Jeffrey E. Barlough

  • Seroepidemiologic survey of antibodies to Ehrlichia equi in horses of northern California.

    John E Madigan;S. Hietala;S. Chalmers;E. DeRock

  • Antimicrobial susceptibilities of equine isolates of Clostridium difficile and molecular characterization of metronidazole-resistant strains.

    S. S. Jang;L. M. Hansen;J. E. Breher;D. A. Riley

  • Protection against Ehrlichia equi is conferred by prior infection with the human granulocytotropic Ehrlichia (HGE agent).

    J. E. Barlough;John E Madigan;E. DeRock;J. S. Dumler

  • Apparent outbreaks of Clostridium difficile-associated diarrhea in horses in a veterinary medical teaching hospital.

    Bruce R. Madewell;Yajarayma J. Tang;Spencer Jang;John E. Madigan

  • Diagnostic laparoscopy in the horse.

    Fischer At;Lloyd Kc;Carlson Gp;Madigan Je

Frequent Co-Authors

Joon-Seok Chae
Joon-Seok Chae Seoul National University
J. Stephen Dumler
J. Stephen Dumler Uniformed Services University of the Health Sciences
Janet E Foley
Janet E Foley University of California, Davis
Hans Lutz
Hans Lutz University of Zurich
Robert S. Lane
Robert S. Lane University of California, Berkeley
Yasuko Rikihisa
Yasuko Rikihisa The Ohio State University
Antoinette E. Marsh
Antoinette E. Marsh The Ohio State University
Tim E. Carpenter
Tim E. Carpenter University of California, Davis
Patricia A. Conrad
Patricia A. Conrad University of California, Davis
Bradd C. Barr
Bradd C. Barr University of California, Davis

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