World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
35
Citations
4850
World Ranking
1725
National Ranking
496

John R. Middleton 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 John R. Middleton 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: 150 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

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

John R. Middleton 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 John R. Middleton 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: 35 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Overview

John R. Middleton is affiliated with the University of Missouri in the United States. Their research spans various fields within medicine and agricultural and biological sciences, with a particular focus on topics related to dairy cattle health and microbiology.

The scientist's recent publications include these notable papers:

  • Non-aureus Staphylococci and Bovine Udder Health: Current Understanding and Knowledge Gaps (2021), published in Frontiers in Veterinary Science
  • Invited review: Selective treatment of clinical mastitis in dairy cattle (2023), published in Journal of Dairy Science
  • Invited review: Selective use of antimicrobials in dairy cattle at drying-off (2022), published in Journal of Dairy Science
  • Selective treatment of nonsevere clinical mastitis does not adversely affect cure, somatic cell count, milk yield, recurrence, or culling: A systematic review and meta-analysis (2022), published in 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), published in Animals

Frequent coauthors of John R. Middleton include:

  • Pamela R. F. Adkins
  • Herman W. Barkema
  • Simon Dufour
  • S. Godden
  • Sarne De Vliegher

They have published extensively in the following venues:

  • Journal of Dairy Science (9 publications)
  • Journal of the American Veterinary Medical Association (4 publications)
  • Frontiers in Veterinary Science (1 publication)
  • Animals (1 publication)
  • Applied and Environmental Microbiology (1 publication)

John R. Middleton's main fields of study include:

  • Medicine (27 publications)
  • Agricultural and Biological Sciences (22 publications)

Subfields of particular focus are:

  • Agronomy and Crop Science (13 publications)
  • Microbiology (10 publications)
  • Food Science (9 publications)
  • Small Animals (6 publications)
  • Molecular Biology (5 publications)

The core topics in their research cover:

  • Milk Quality and Mastitis in Dairy Cows (24 publications)
  • Microbial infections and disease research (18 publications)
  • Probiotics and Fermented Foods (18 publications)
  • Animal Behavior and Welfare Studies (4 publications)
  • Antimicrobial Resistance in Staphylococcus (4 publications)
  • Bacterial biofilms and quorum sensing (4 publications)
  • Streptococcal Infections and Treatments (4 publications)

Best Publications

  • Molecular Epidemiology of Mastitis Pathogens of Dairy Cattle and Comparative Relevance to Humans

    Ruth N. Zadoks;Ruth N. Zadoks;John R. Middleton;Scott McDougall;Jorgen Katholm

  • Effect of delayed colostrum collection on colostral IgG concentration in dairy cows.

    Malantus Moore;Jeff W. Tyler;Munashe Chigerwe;Maisie E. Dawes

  • Knowledge gaps and research priorities in Staphylococcus aureus mastitis control.

    P Rainard;G Foucras;J R Fitzgerald;J L Watts

  • Subclinical hypocalcemia, plasma biochemical parameters, lipid metabolism, postpartum disease, and fertility in postparturient dairy cows.

    W.G. Chamberlin;J.R. Middleton;J.N. Spain;G.C. Johnson

  • Staphylococcus aureus antigens and challenges in vaccine development

    John R Middleton

  • Efficacy of vaccination against staphylococcal mastitis: a review and new data.

    John R Middleton;Christopher D Luby;D Scott Adams

  • Non-aureus Staphylococci and Bovine Udder Health: Current Understanding and Knowledge Gaps.

    Jeroen De Buck;Vivian Ha;Sohail Naushad;Diego B Nobrega

  • Methods for Diagnosing Mastitis.

    Pamela R.F. Adkins;John R. Middleton

  • A veterinary perspective on methicillin-resistant staphylococci.

    Leah A. Cohn;John R. Middleton

  • Association of coagulase-negative staphylococcal species, mammary quarter milk somatic cell count, and persistence of intramammary infection in dairy cattle.

    P.R. Fry;J.R. Middleton;S. Dufour;J. Perry

  • Effect of colostrum administration by use of oroesophageal intubation on serum IgG concentrations in Holstein bull calves.

    Munashe Chigerwe;Jeff W. Tyler;Loren G. Schultz;John R. Middleton

  • Comparison of four methods to assess colostral IgG concentration in dairy cows.

    Munashe Chigerwe;Jeff W. Tyler;John R. Middleton;James N. Spain

  • Efficacy of different Lysigin formulations in the prevention of Staphylococcus aureus intramammary infection in dairy heifers.

    John R Middleton;Jianneng Ma;Carol L Rinehart;Veronica N Taylor

  • Outbreak of mastitis caused by one strain of Staphylococcus aureus in a closed dairy herd.

    T H Smith;L K Fox;J R Middleton

  • Detection of low serum immunoglobulin concentrations in clinically ill calves.

    Jeff W. Tyler;Steven M. Parish;Thomas E. Besser;David C. Van Metre

  • Prevalence of non-aureus staphylococci species causing intramammary infections in Canadian dairy herds

    Larissa A.Z. Condas;Jeroen De Buck;Diego B. Nobrega;Domonique A. Carson

  • Surveillance of Staphylococcus aureus in Veterinary Teaching Hospitals

    John R. Middleton;William H. Fales;Christopher D. Luby;J. Lindsay Oaks

  • Use of somatic cell counts and California mastitis test results from individual quarter milk samples to detect subclinical intramammary infection in dairy cattle from a herd with a high bulk tank somatic cell count

    John R. Middleton;David Hardin;Barry Steevens;Richard Randle

  • Distribution of non-aureus staphylococci species in udder quarters with low and high somatic cell count, and clinical mastitis.

    Larissa A.Z. Condas;Jeroen De Buck;Diego B. Nobrega;Domonique A. Carson

  • Invited review: Selective use of antimicrobials in dairy cattle at drying-off.

    Unknown

  • Use of pulsed-field gel electrophoresis for detecting differences in Staphylococcus aureus strain populations between dairy herds with different cattle importation practices.

    J. R. Middleton;L. K. Fox;J. W. Tyler

  • Prevalence of Staphylococcus aureus and Methicillin-Resistant Staphylococcus aureus Carriage in Three Populations

    S. Kottler;J.R. Middleton;J. Perry;J.S. Weese

  • Evaluation of factors affecting serum IgG concentrations in bottle-fed calves.

    Munashe Chigerwe;Jeff W Tyler;Marin K Summers;John R Middleton

  • Molecular characterization of non-aureus Staphylococcus spp. from heifer intramammary infections and body sites.

    P.R.F. Adkins;S. Dufour;J.N. Spain;M.J. Calcutt

  • The National Mastitis Council: A Global Organization for Mastitis Control and Milk Quality, 50 Years and Beyond

    John R. Middleton;Anne Saeman;Larry K. Fox;Jason Lombard

  • Effect of prepartum intramammary treatment with pirlimycin hydrochloride on prevalence of early first-lactation mastitis in dairy heifers.

    John R. Middleton;Leo L. Timms;G. Ryan Bader;Jeffrey Lakritz

Frequent Co-Authors

Lawrence K. Fox
Lawrence K. Fox Washington State University
J.N. Spain
J.N. Spain University of Missouri
Leslie A. Lyons
Leslie A. Lyons University of Missouri
Ruth N. Zadoks
Ruth N. Zadoks University of Sydney
David J. Wilson
David J. Wilson Utah State University
Greg P. Keefe
Greg P. Keefe University of Prince Edward Island
Herman W. Barkema
Herman W. Barkema University of Calgary
Sharif S Aly
Sharif S Aly University of California, Davis
Ynte H. Schukken
Ynte H. Schukken Wageningen University & Research
Ian R. Dohoo
Ian R. Dohoo University of Prince Edward Island

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Related Online Degrees & Career Pathways

For students interested in Animal Science and Veterinary fields, exploring complementary online programs can open diverse career opportunities. For instance, those drawn to mental health in animal care or therapy might consider online doctoral programs in counseling, which provide flexible paths to advanced qualifications.

Many professionals find fulfilling careers working directly with animals across various settings. To learn more, see the overview of careers with animals, highlighting roles that blend scientific knowledge and hands-on experience.

Students interested in leadership and sports management might also explore pathways to become an athletic director jobs, particularly in institutions that emphasize animal-related athletics or educational programs.

Additionally, those wanting to advance quickly in movement sciences and rehabilitation can benefit from accelerated learning options like the accelerated exercise science degree online. This route complements animal science careers by emphasizing health and physical performance.

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