World's Best Scientists 2026 revealed!
Bonnie A. Mallard

Bonnie A. Mallard

D-Index & Metrics

Microbiology

D-Index
43
Citations
6572
World Ranking
5274
National Ranking
154

Bonnie A. Mallard publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Bonnie A. Mallard sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 169 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Bonnie A. Mallard D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Bonnie A. Mallard sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 43 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Bonnie A. Mallard is affiliated with the University of Guelph in Canada and has contributed to research primarily in the field of Agricultural and Biological Sciences. Their work spans various subfields including Animal Science and Zoology, Immunology, Small Animals, Agronomy and Crop Science, and Molecular Biology.

The main research topics covered by Mallard include:

  • Effects of Environmental Stressors on Livestock
  • Reproductive Physiology in Livestock
  • Animal health and immunology
  • Cancer-related molecular mechanisms research
  • Helminth infection and control
  • T-cell and B-cell Immunology
  • Animal Disease Management and Epidemiology

Mallard has published extensively, with notable papers including:

  • Impact of heat stress on dairy cattle and selection strategies for thermotolerance: a review (2023), Frontiers in Veterinary Science
  • The bioactivity of colostrum and milk exosomes of high, average, and low immune responder cows on human intestinal epithelial cells (2020), Journal of Dairy Science
  • Heat stress and immune response phenotype affect DNA methylation in blood mononuclear cells from Holstein dairy cows (2021), Scientific Reports
  • Immunoceuticals: Harnessing Their Immunomodulatory Potential to Promote Health and Wellness (2022), Nutrients
  • N-Acetylcysteine and Its Immunomodulatory Properties in Humans and Domesticated Animals (2023), Antioxidants

Frequent publication venues for Mallard include the following, indicating a consistent contribution to recognized journals in their field:

  • Journal of Animal Science
  • Journal of Dairy Science
  • Veterinary Immunology and Immunopathology
  • Nutrients
  • Animals

Collaborations have been an important aspect of Mallard's research activity, with frequent co-authors including:

  • Niel A. Karrow
  • Ángela Cánovas
  • Umesh K. Shandilya
  • Byram W. Bridle
  • S. Cartwright

This profile reflects the scope and focus of Bonnie A. Mallard's scientific contributions within animal science and related biomedical research areas.

Best Publications

  • Alteration in immune responsiveness during the peripartum period and its ramification on dairy cow and calf health

    B A Mallard;J C Dekkers;M J Ireland;K E Leslie

  • Associations of the bovine major histocompatibility complex DRB3 (BoLA‐DRB3) alleles with occurrence of disease and milk somatic cell score in Canadian dairy cattle

    S. Sharif;B. A. Mallard;B. N. Wilkie;J. M. Sargeant

  • Effects of supplemental chromium on immune responses of periparturient and early lactation dairy cows.

    J L Burton;B A Mallard;D N Mowat

  • The sustainability, feasibility and desirability of breeding livestock for disease resistance

    M.J Stear;S.C Bishop;B.A Mallard;H Raadsma

  • Association of Bovine Leukocyte Antigen (BoLA) DRB3.2 with Immune Response, Mastitis, and Production and Type Traits in Canadian Holsteins

    R. Rupp;A. Hernandez;B.A. Mallard

  • Bovine Mastitis: Frontiers in Immunogenetics

    Kathleen Thompson-Crispi;Heba Atalla;Filippo Miglior;Bonnie A. Mallard

  • Selection for high immune response: an alternative approach to animal health maintenance?

    Bruce Wilkie;Bonnie Mallard

  • A quantitative approach to classifying Holstein cows based on antibody responsiveness and its relationship to peripartum mastitis occurrence.

    L.C. Wagter;B.A. Mallard;B.N. Wilkie;K.E. Leslie

  • Experimental Staphylococcus aureus intramammary challenge in late lactation dairy cows: quarter and cow effects determining the probability of infection.

    Y.H. Schukken;K.E. Leslie;D.A. Barnum;B.A. Mallard

  • Genetic parameters of adaptive immune response traits in Canadian Holsteins.

    K.A. Thompson-Crispi;A. Sewalem;A. Sewalem;F. Miglior;F. Miglior;B.A. Mallard

  • Use of estimated breeding values in a selection index to breed Yorkshire pigs for high and low immune and innate resistance factors

    B.A. Mallard;B.N. Wilkie;B.W. Kennedy;M. Quinton

  • Immune responsiveness in swine: eight generations of selection for high and low immune response in Yorkshire pigs

    B. A. Mallard;B. N. Wilkie;B. W. Kennedy;J. Gibson

  • Periparturient immunosuppression and strategies to improve dairy cow health during the periparturient period.

    J.W. Aleri;B.C. Hine;M.F. Pyman;P.D. Mansell

  • Effects of peripartum stress and health on circulating bovine lymphocyte subsets.

    Corinne Van Kampen;Bonnie A. Mallard

  • Short communication: Association of disease incidence and adaptive immune response in Holstein dairy cows

    K.A. Thompson-Crispi;B. Hine;M. Quinton;F. Miglior;F. Miglior

  • A genome-wide association study of immune response traits in Canadian Holstein cattle

    Kathleen A Thompson-Crispi;Kathleen A Thompson-Crispi;Mehdi Sargolzaei;Ricardo Ventura;Mohammed Abo-Ismail;Mohammed Abo-Ismail

  • Effects of growth hormone, insulin-like growth factor-I, and cortisol on periparturient antibody response profiles of dairy cattle

    Bonnie A. Mallard;Lauraine C. Wagter;Mary Jane Ireland;Jack C.M. Dekkers

  • Genetic Impact on the Risk of Intramammary Infection Following Staphylococcus aureus Challenge

    Y.H. Schukken;B.A. Mallard;J.C.M. Dekkers;K.E. Leslie

  • Differentially expressed genes associated with Staphylococcus aureus mastitis of Canadian Holstein cows

    Wenjing Tao;Bonnie Mallard

  • Associations of the bovine major histocompatibility complex DRB3 (BoLA‐DRB3) with production traits in Canadian dairy cattle

    S. Sharif;B. A. Mallard;B. N. Wilkie;J. M. Sargeant

  • Evaluation of bovine cutaneous delayed-type hypersensitivity (DTH) to various test antigens and a mitogen using several adjuvants

    Armando Hernández;Julie A. Yager;Bruce N. Wilkie;Kenneth E. Leslie

  • Incidence Rates of Clinical Mastitis among Canadian Holsteins Classified as High, Average, or Low Immune Responders

    Kathleen A. Thompson-Crispi;Filippo Miglior;Filippo Miglior;Bonnie A. Mallard

  • Characterization of a Staphylococcus aureus small colony variant (SCV) associated with persistent bovine mastitis.

    Heba Atalla;Carlton Gyles;Christian L. Jacob;Helene Moisan

Frequent Co-Authors

Filippo Miglior
Filippo Miglior University of Guelph
Flavio S Schenkel
Flavio S Schenkel University of Guelph
Ken E. Leslie
Ken E. Leslie University of Guelph
Jack C. M. Dekkers
Jack C. M. Dekkers Iowa State University
Ynte H. Schukken
Ynte H. Schukken Wageningen University & Research
Shayan Sharif
Shayan Sharif University of Guelph
Milena Corredig
Milena Corredig Aarhus University
William J. Wales
William J. Wales University of Melbourne
Carlton L. Gyles
Carlton L. Gyles University of Guelph
Andrew D. Fisher
Andrew D. Fisher University of Melbourne

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