World's Best Scientists 2026 revealed!
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Animal Science and Veterinary
USA
2023

D-Index & Metrics

Animal Science and Veterinary

D-Index
71
Citations
16719
World Ranking
155
National Ranking
49

Michael R. Lappin 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 Michael R. Lappin 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: 377 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Michael R. Lappin 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 Michael R. Lappin 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: 71 D-Index — 95th percentile

95% 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

  • 2023 - Research.com Animal Science and Veterinary in United States Leader Award

Overview

Michael R. Lappin is affiliated with Colorado State University in the United States. Their research mainly focuses on medicine and immunology and microbiology, with specific contributions to parasitology, infectious diseases, epidemiology, public health, environmental and occupational health, and small animal studies.

The scientist's recent papers cover a range of topics related to vector-borne and parasitic infections, including the role of pathogens in feline fever and the effects of anthelmintic administration on the fecal microbiome of dogs. Selected recent publications include:

  • Parasites and vector-borne diseases disseminated by rehomed dogs, 2020, Parasites & Vectors
  • Evaluation of the effects of anthelmintic administration on the fecal microbiome of healthy dogs with and without subclinical Giardia spp. and Cryptosporidium canis infections, 2020, PLoS ONE
  • Evaluation of hair and nail cortisol concentrations and associations with behavioral, physical, and environmental indicators of chronic stress in cats, 2021, Journal of Veterinary Internal Medicine
  • Role of vector-borne pathogens in the development of fever in cats: 1. Flea-associated diseases, 2020, Journal of Feline Medicine and Surgery
  • Efficacy of feeding a diet containing a high concentration of mixed fiber sources for management of acute large bowel diarrhea in dogs in shelters, 2022, Journal of Veterinary Internal Medicine

The main topics of their research include parasitic infections and diagnostics, viral infections and vectors, vector-borne infectious diseases, Bartonella species infections research, rabies epidemiology and control, herpesvirus infections and treatments, and Clostridium difficile and Clostridium perfringens research.

Frequent coauthors in the scientist's publications include Jennifer Hawley, Michala de Linde Henriksen, Edward B. Breitschwerdt, Andrea V. Scorza, and Xavier Roura.

Publication venues where Michael R. Lappin has contributed extensively include the Journal of Veterinary Internal Medicine, Journal of Feline Medicine and Surgery, Pathogens, Parasites & Vectors, and the Journal of Feline Medicine and Surgery Open Reports.

Best Publications

  • International Society for Companion Animal Infectious Diseases (ISCAID) guidelines for the diagnosis and management of bacterial urinary tract infections in dogs and cats.

    J. Scott Weese;Joseph Blondeau;Dawn Boothe;Luca G. Guardabassi

  • Antimicrobial use Guidelines for Treatment of Respiratory Tract Disease in Dogs and Cats: Antimicrobial Guidelines Working Group of the International Society for Companion Animal Infectious Diseases.

    M. R. Lappin;J. Blondeau;D. Boothe;E. B. Breitschwerdt

  • Bartonellosis: an emerging infectious disease of zoonotic importance to animals and human beings

    Edward B. Breitschwerdt;Ricardo G. Maggi;Bruno B. Chomel;Michael R. Lappin

  • Consensus Statement on Ehrlichial Disease of Small Animals from the Infectious Disease Study Group of the ACVIM

    T. Mark Neer;Edward B. Breitschwerdt;Russell T. Greene;Michael R. Lappin

  • Use of a polymerase chain reaction assay to detect and differentiate two strains of Haemobartonella felis in naturally infected cats.

    Wayne A. Jensen;Michael R. Lappin;Sherwin Kamkar;William J. Reagan

  • Prevalence of enteric zoonotic organisms in cats.

    Steven L. Hill;John M. Cheney;Glenda F. Taton-Allen;John S. Reif

  • Prevalence of infectious diseases in feral cats in Northern Florida.

    Brian J. Luria;Julie K. Levy;Michael R. Lappin;Edward B. Breitschwerdt

  • 2013 AAFP Feline Vaccination Advisory Panel Report

    Margie A Scherk;Richard B Ford;Rosalind M Gaskell;Katrin Hartmann

  • Pulmonary Thromboembolism in 29 Dogs: 1985–1995

    Lynelle R. Johnson;Michael R. Lappin;Dale C. Baker

  • Prevalence of Bartonella species, haemoplasma species, Ehrlichia species, Anaplasma phagocytophilum, and Neorickettsia risticii DNA in the blood of cats and their fleas in the United States

    Michael R. Lappin;Brenda Griffin;Jane Brunt;Allen Riley

  • ACVIM small animal consensus statement on Lyme disease in dogs: diagnosis, treatment, and prevention.

    Meryl P. Littman;Richard E. Goldstein;Mary A. Labato;Michael R. Lappin

  • Zoonotic Parasites of Sheltered and Stray Dogs in the Era of the Global Economic and Political Crisis

    Domenico Otranto;Filipe Dantas-Torres;Andrei D. Mihalca;Rebecca J. Traub

  • The 2006 American Association of Feline Practitioners Feline Vaccine Advisory Panel Report

    James R. Richards;Thomas H. Elston;Richard B. Ford;Rosalind M. Gaskell

  • Evaluation of experimental transmission of Candidatus Mycoplasma haemominutum and mycoplasma haemofelis by Ctenocephalides felis to cats

    James E. Woods;Melissa M. Brewer;Jennifer R. Hawley;Nancy Wisnewski

  • Toxoplasmosis and Other Intestinal Coccidial Infections in Cats and Dogs

    J.P. Dubey;David S. Lindsay;Michael R. Lappin

  • Use of a PCR assay to assess the prevalence and risk factors for Mycoplasma haemofelis and ‘Candidatus Mycoplasma haemominutum’ in cats in the United Kingdom

    S. Tasker;S. H. Binns;M. J. Day;T. J. Gruffydd-Jones

  • Evaluation of bacterial and protozoal contamination of commercially available raw meat diets for dogs.

    Rachel A. Strohmeyer;Paul S. Morley;Doreene R. Hyatt;David A. Dargatz

  • Inoculation of two genotypes of Hemobartonella felis (California and Ohio variants) to induce infection in cats and the response to treatment with azithromycin.

    Donald S. Westfall;Wayne A. Jensen;William J. Reagan;Steven V. Radecki

  • Effect of the probiotic Enterococcus faecium SF68 on presence of diarrhea in cats and dogs housed in an animal shelter.

    S.N. Bybee;A.V. Scorza;M.R. Lappin

  • Prevalence of enteric pathogens in dogs of north-central Colorado.

    Tim Hackett;Michael R Lappin

  • Infectious diseases of dogs and cats on Isabela Island, Galapagos.

    J.K. Levy;P.C. Crawford;M.R. Lappin;E.J. Dubovi

  • Canine and feline blood donor screening for infectious disease.

    K. Jane Wardrop;Nyssa Reine;Adam Birkenheuer;Anne Hale

  • Consensus statement on ehrlichial disease of small animals from the infectious disease study group of the ACVIM. American College of Veterinary Internal Medicine.

    Neer Tm;Breitschwerdt Eb;Greene Rt;Lappin Mr

Frequent Co-Authors

Edward B. Breitschwerdt
Edward B. Breitschwerdt North Carolina State University
Steven W. Dow
Steven W. Dow Colorado State University
Julie K. Levy
Julie K. Levy University of Florida
Katrin Hartmann
Katrin Hartmann Ludwig-Maximilians-Universität München
Kevin R. Crooks
Kevin R. Crooks Colorado State University
Michael J. Day
Michael J. Day Murdoch University
Filipe Dantas-Torres
Filipe Dantas-Torres Oswaldo Cruz Foundation
Ricardo G. Maggi
Ricardo G. Maggi North Carolina State University
Adam J. Birkenheuer
Adam J. Birkenheuer North Carolina State University
Philip H. Kass
Philip H. Kass University of California, Davis

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Related Online Degrees & Career Pathways

For those passionate about Animal Science and Veterinary studies, expanding your skill set through related online degrees can open diverse career opportunities. Certifications such as Board Certified Behavior Analyst (BCBA) are in high demand, particularly for professionals working with animal behavior or therapy. Exploring the best schools for bcba can be a strategic step toward specializing in behavior analysis.

Psychology plays a critical role in understanding both human and animal behavior. Programs like the nasp accredited online school psychology programs offer valuable credentials for those interested in educational or developmental psychology connected to veterinary settings or animal-assisted interventions.

Further, pursuing a clinical doctorate through apa-accredited psyd programs enables graduates to focus on mental health services, which can complement careers supporting animal-assisted therapy or veterinary counseling roles.

Finally, addressing issues such as substance abuse is important in holistic health fields. Students may also consider the best online substance abuse counseling degree programs to enter counseling professions that intersect with rehabilitation and wellness initiatives in veterinary or agricultural communities.

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