World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
57
Citations
10549
World Ranking
410
National Ranking
31

Greg P. Keefe 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 Greg P. Keefe 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: 191 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Greg P. Keefe 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 Greg P. Keefe 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: 57 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Overview

Greg P. Keefe is affiliated with the University of Prince Edward Island in Canada. Their research primarily focuses on the Agricultural and Biological Sciences, with a strong emphasis on subfields such as Agronomy and Crop Science, Small Animals, Microbiology, Immunology, and Food Science.

The scientist's work extensively covers topics related to Milk Quality and Mastitis in Dairy Cows, Animal Disease Management and Epidemiology, Animal Behavior and Welfare Studies, Microbial Infections and Disease Research, T-cell and Retrovirus Studies, Effects of Environmental Stressors on Livestock, and Vector-Borne Animal Diseases.

Greg P. Keefe has contributed to various scientific articles published in notable venues, including:

  • Journal of Dairy Science
  • Animals
  • Journal of Veterinary Internal Medicine
  • FACETS
  • Preventive Veterinary Medicine

Recent papers authored or co-authored by Greg P. Keefe include:

  • "Evaluation of quarter-based selective dry cow therapy using Petrifilm on-farm milk culture: A randomized controlled trial," 2020, Journal of Dairy Science
  • "Diagnosing Intramammary Infection: Meta-Analysis and Mapping Review on Frequency and Udder Health Relevance of Microorganism Species Isolated from Bovine Milk Samples," 2022, Animals
  • "Strengthening a One Health approach to emerging zoonoses," 2023, FACETS
  • "Development of a predictive model for bovine leukemia virus proviral load," 2022, Journal of Veterinary Internal Medicine
  • "Associations of freestall design and cleanliness with cow lying behavior, hygiene, lameness, and risk of high somatic cell count," 2020, Journal of Dairy Science

Collaborations feature a group of frequent co-authors with whom Greg P. Keefe has published multiple times. These include Jean-Philippe Roy, Simon Dufour, D.F. Kelton, Herman W. Barkema, and M. Cameron.

Best Publications

  • Defining and diagnosing postpartum clinical endometritis and its impact on reproductive performance in dairy cows.

    S.J. LeBlanc;T.F. Duffield;K.E. Leslie;K.G. Bateman

  • Invited review: Changes in the dairy industry affecting dairy cattle health and welfare.

    H.W. Barkema;M.A.G. von Keyserlingk;J.P. Kastelic;T.J.G.M. Lam

  • Streptococcus agalactiae mastitis: a review.

    G P Keefe

  • Protein Kinase G Induces an Immune Response in Cows Exposed to Mycobacterium avium Subsp. paratuberculosis .

    Horacio Bach;Melissa Richard-Greenblatt;Eviatar Bach;Marcelo Chaffer

  • The effect of treatment of clinical endometritis on reproductive performance in dairy cows

    S. J. LeBlanc;T. F. Duffield;K. E. Leslie;K. G. Bateman

  • Johne's disease in Canada Part I: clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds.

    Ashwani Tiwari;John A. VanLeeuwen;Shawn L.B. McKenna;Greg P. Keefe

  • Direct production losses and treatment costs from bovine viral diarrhoea virus, bovine leukosis virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum.

    Junwook Chi;John A. VanLeeuwen;Alfons Weersink;Gregory P. Keefe

  • Association of cow and quarter-level factors at drying-off with new intramammary infections during the dry period.

    R.T Dingwell;K.E Leslie;Y.H Schukken;J.M Sargeant

  • Herd-Level Mastitis-Associated Costs on Canadian Dairy Farms.

    Mahjoob Aghamohammadi;Denis Haine;David F. Kelton;Herman W. Barkema

  • Johne's disease in Canada part II: disease impacts, risk factors, and control programs for dairy producers.

    Shawn L.B. McKenna;Greg P. Keefe;Ashwani Tiwari;John VanLeeuwen

  • Update on control of Staphylococcus aureus and Streptococcus agalactiae for management of mastitis.

    Greg Keefe

  • The association between bulk tank milk analysis for raw milk quality and on-farm management practices

    A.M. Elmoslemany;G.P. Keefe;I.R. Dohoo;J.J. Wichtel

  • The National Cohort of Dairy Farms--a data collection platform for mastitis research in Canada.

    Kristen K Reyher;S Dufour;H W Barkema;L Des Côteaux

  • Antimicrobial resistance profiles of common mastitis pathogens on Canadian dairy farms

    V. Saini;J.T. McClure;D. Léger;G.P. Keefe

  • Evaluation of three ELISAs for Mycobacterium avium subsp. paratuberculosis using tissue and fecal culture as comparison standards.

    Shawn L. McKenna;Gregory P. Keefe;H. W. Barkema;D. C. Sockett

  • Prevalence of contagious mastitis pathogens in bulk tank milk in Prince Edward Island.

    Richard G.M. Olde Riekerink;Herman W. Barkema;Stefan Veenstra;Doris E. Poole

  • The effect of non-nutritional factors on milk urea nitrogen levels in dairy cows in Prince Edward Island, Canada.

    P. Arunvipas;Ian R. Dohoo;John A. VanLeeuwen;Gregory P. Keefe

  • Knowledge gaps that hamper prevention and control of Mycobacterium avium subspecies paratuberculosis infection

    Herman W. Barkema;Karin Orsel;S.S. Nielsen;A.P. Koets;A.P. Koets

  • Seroprevalence of infection with Mycobacterium avium subspecies paratuberculosis, bovine leukemia virus, and bovine viral diarrhea virus in maritime Canada dairy cattle.

    John A. VanLeeuwen;Gregory P. Keefe;R. Tremblay;C. Power

  • Lifetime effects of infection with bovine leukemia virus on longevity and milk production of dairy cows.

    Omid Nekouei;John VanLeeuwen;Henrik Stryhn;David Kelton

  • Identification of bovine-associated coagulase-negative staphylococci by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry using a direct transfer protocol

    M. Cameron;H.W. Barkema;J. De Buck;S. De Vliegher

  • Effects of seropositivity for bovine leukemia virus, bovine viral diarrhoea virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum on culling in dairy cattle in four Canadian provinces.

    Ashwani Tiwari;John A. VanLeeuwen;Ian R. Dohoo;Henrik Stryhn

  • Risk factors associated with Mycobacterium avium subspecies paratuberculosis seropositivity in Canadian dairy cows and herds.

    A. Tiwari;J. A. VanLeeuwen;I. R. Dohoo;G. P. Keefe

  • Increase in milk yield following eprinomectin treatment at calving in pastured dairy cattle.

    Ane Nødtvedt;Ian Dohoo;Javier Sanchez;Gary Conboy

  • Risk factors for bacteriological quality of bulk tank milk in Prince Edward Island dairy herds. Part 2: Bacteria count-specific risk factors

    A.M. Elmoslemany;A.M. Elmoslemany;G.P. Keefe;I.R. Dohoo;B.M. Jayarao

  • Cow-Level Prevalence of Paratuberculosis in Culled Dairy Cows in Atlantic Canada and Maine

    S.L.B. McKenna;G.P. Keefe;H.W. Barkema;J. McClure

  • Herd-level risk factors for infection with bovine leukemia virus in Canadian dairy herds

    Omid Nekouei;John VanLeeuwen;Javier Sanchez;David Kelton

  • Evaluation of minor pathogen intramammary infection, susceptibility parameters, and somatic cell counts on the development of new intramammary infections with major mastitis pathogens

    K.K. Reyher;I.R. Dohoo;D.T. Scholl;G.P. Keefe

Frequent Co-Authors

Herman W. Barkema
Herman W. Barkema University of Calgary
Ian R. Dohoo
Ian R. Dohoo University of Prince Edward Island
John A. VanLeeuwen
John A. VanLeeuwen University of Prince Edward Island
Ken E. Leslie
Ken E. Leslie University of Guelph
David F. Kelton
David F. Kelton University of Guelph
Henrik Stryhn
Henrik Stryhn University of Prince Edward Island
Todd F. Duffield
Todd F. Duffield University of Guelph
M.S. Cockram
M.S. Cockram University of Prince Edward Island
Stephen J. LeBlanc
Stephen J. LeBlanc University of Guelph
M.A.G. von Keyserlingk
M.A.G. von Keyserlingk University of British Columbia

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Related Online Degrees & Career Pathways

For students pursuing Animal Science and Veterinary studies, exploring related online degrees can open diverse career opportunities. For example, an athletic director salary reflects the growing demand for leadership roles in sports and animal therapy programs, combining management skills with scientific knowledge.

Those interested in physical health and rehabilitation might consider online exercise science degrees. These programs offer flexible learning options for careers focused on improving animal and human fitness, emphasizing physiology and biomechanics that complement veterinary expertise.

Behavioral science is another promising area. Pursuing bcba masters programs equips graduates with skills to manage behavior analysis, valuable for working with animals in clinical or therapeutic settings.

Additionally, understanding the psychological aspects of behavior through nasp school psychology programs can inform approaches to animal welfare and training, enhancing the scope of veterinary practice.

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