World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
44
Citations
6819
World Ranking
877
National Ranking
18

Mark McGee 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 Mark McGee 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: 193 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Mark McGee 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 Mark McGee 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: 44 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Mark McGee is affiliated with Teagasc - The Irish Agriculture and Food Development Authority in Ireland. Their research primarily falls within the field of Agricultural and Biological Sciences, with particular focus on Animal Science and Zoology, Agronomy and Crop Science, as well as Small Animals, Genetics, and Ecology.

Their work covers key topics including Ruminant Nutrition and Digestive Physiology, Effects of Environmental Stressors on Livestock, Meat and Animal Product Quality, Animal Health and Immunology, Genetic and Phenotypic Traits in Livestock, Animal Nutrition and Physiology, and Agriculture Sustainability and Environmental Impact.

McGee has contributed to multiple publications across several frequent venues. These include the Irish Veterinary Journal, Scientific Reports, Journal of Animal Science, Nine, and Animals.

Recent papers by McGee include:

  • Full adoption of the most effective strategies to mitigate methane emissions by ruminants can help meet the 1.5 °C target by 2030 but not 2050 (2022, Proceedings of the National Academy of Sciences)
  • Association between clinical respiratory signs, lung lesions detected by thoracic ultrasonography and growth performance in pre-weaned dairy calves (2021, Irish Veterinary Journal)
  • Investigation into the effect of divergent feed efficiency phenotype on the bovine rumen microbiota across diet and breed (2020, Scientific Reports)
  • Growth performance and hematological changes of weaned beef calves diagnosed with respiratory disease using respiratory scoring and thoracic ultrasonography (2020, Journal of Animal Science)
  • Prediction of enteric methane emissions by sheep using an intercontinental database (2022, Journal of Cleaner Production)

Frequent co-authors working with McGee include E.G. O'Riordan, Bernadette Earley, A.P. Moloney, Inmaculada Cuevas-Gómez, and Alan K. Kelly.

Best Publications

  • Prediction of enteric methane production, yield, and intensity in dairy cattle using an intercontinental database

    Mutian Niu;Ermias Kebreab;Alexander N. Hristov;Joonpyo Oh

  • Effect of divergence in residual feed intake on feeding behavior, blood metabolic variables, and body composition traits in growing beef heifers.

    A. K. Kelly;M. McGee;D. H. Crews;A. G. Fahey

  • Phenotypic and genetic parameters for different measures of feed efficiency in different breeds of Irish performance-tested beef bulls.

    J. J. Crowley;J. J. Crowley;M. McGee;D. A. Kenny;D. H. Crews

  • Invited review: Nitrogen in ruminant nutrition: A review of measurement techniques.

    A.N. Hristov;A. Bannink;L.A. Crompton;P. Huhtanen

  • Review: Biological determinants of between-animal variation in feed efficiency of growing beef cattle.

    G. Cantalapiedra-Hijar;M. Abo-Ismail;G.E. Carstens;L.L. Guan

  • Invited review: Improving feed efficiency of beef cattle - the current state of the art and future challenges.

    D.A. Kenny;C. Fitzsimons;S.M. Waters;M. McGee

  • Methane emissions, body composition, and rumen fermentation traits of beef heifers differing in residual feed intake

    C Fitzsimons;D A Kenny;M H Deighton;A G Fahey

  • Repeatability of feed efficiency, carcass ultrasound, feeding behavior, and blood metabolic variables in finishing heifers divergently selected for residual feed intake.

    A. K. Kelly;M. McGee;D. H. Crews;T. Sweeney

  • Grass silage intake, rumen and blood variables, ultrasonic and body measurements, feeding behavior, and activity in pregnant beef heifers differing in phenotypic residual feed intake

    P. Lawrence;D. A. Kenny;D. A. Kenny;B. Earley;D. H. Crews

  • Effect of abrupt weaning at housing on leukocyte distribution, functional activity of neutrophils, and acute phase protein response of beef calves

    Eilish M Lynch;Bernadette Earley;Mark McGee;Sean Doyle

  • Effect of pre-weaning concentrate supplementation on peripheral distribution of leukocytes, functional activity of neutrophils, acute phase protein and behavioural responses of abruptly weaned and housed beef calves

    Eilish M Lynch;Mark McGee;Sean Doyle;Bernadette Earley

  • GWAS and eQTL analysis identifies a SNP associated with both residual feed intake and GFRA2 expression in beef cattle.

    Marc G. Higgins;Claire Fitzsimons;Matthew C. McClure;Clare McKenna

  • Performance of spring-calving beef suckler cows and their progeny to slaughter on intensive and extensive grassland management systems

    M.J. Drennan;M. McGee

  • Grazed grass herbage intake and performance of beef heifers with predetermined phenotypic residual feed intake classification.

    P. Lawrence;D. A. Kenny;B. Earley;M. McGee

  • Prediction of enteric methane production, yield and intensity of beef cattle using an intercontinental database

    Henk J. van Lingen;Mutian Niu;Ermias Kebreab;Sebastião C. Valadares Filho

  • Visceral organ weights, digestion and carcass characteristics of beef bulls differing in residual feed intake offered a high concentrate diet.

    C. Fitzsimons;D. A. Kenny;M. McGee

  • Review: passive immunity in beef-suckler calves.

    M. McGee;B. Earley

  • Genetic relationships between feed efficiency in growing males and beef cow performance

    J. J. Crowley;R. D. Evans;N. Mc Hugh;N. Mc Hugh;D. A. Kenny

  • Effect of divergence in phenotypic residual feed intake on methane emissions, ruminal fermentation, and apparent whole-tract digestibility of beef heifers across three contrasting diets.

    R. P. McDonnell;K. J. Hart;T. M. Boland;A. K. Kelly

  • Examination of the bovine leukocyte environment using immunogenetic biomarkers to assess immunocompetence following exposure to weaning stress

    Aran O'Loughlin;Mark McGee;Sinéad M Waters;Sean Doyle

  • mRNA expression of genes regulating oxidative phosphorylation in the muscle of beef cattle divergently ranked on residual feed intake

    Alan K. Kelly;Sinead M. Waters;Mark McGee;Rita G. Fonseca

  • Rumen fermentation, microbial protein synthesis, and nutrient flow to the omasum in cattle offered corn silage, grass silage, or whole-crop wheat.

    D. Owens;M. McGee;T. Boland;P. O'Kiely

  • The relationship of various muscular and skeletal scores and ultrasound measurements in the live animal, and carcass classification scores with carcass composition and value of bulls

    S.B. Conroy;S.B. Conroy;M.J. Drennan;D.A. Kenny;M. McGee

Frequent Co-Authors

Bernadette Earley
Bernadette Earley Teagasc - The Irish Agriculture and Food Development Authority
Sinéad M. Waters
Sinéad M. Waters Teagasc - The Irish Agriculture and Food Development Authority
A.P. Moloney
A.P. Moloney Teagasc - The Irish Agriculture and Food Development Authority
Padraig O'Kiely
Padraig O'Kiely Teagasc - The Irish Agriculture and Food Development Authority
Frank J. Monahan
Frank J. Monahan University College Dublin
Alexander N. Hristov
Alexander N. Hristov Pennsylvania State University
Joseph P. Kerry
Joseph P. Kerry University College Cork
Ermias Kebreab
Ermias Kebreab University of California, Davis
Christopher K. Reynolds
Christopher K. Reynolds University of Reading

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Related Online Degrees & Career Pathways

Pursuing a degree in Animal Science or Veterinary studies opens doors to diverse career options, many of which benefit from complementary fields of study. For example, an online degree in exercise science can enhance understanding of biomechanics and physical health, skills valuable in veterinary rehabilitation or animal athletic training.

For those interested in behavioral aspects, exploring specialized programs such as bcba programs offers a pathway to becoming a Board Certified Behavior Analyst. This expertise is useful when working with animal behavior modification or in therapeutic settings.

Additionally, professionals focusing on mental health and well-being could consider accredited psychological programs. Programs listed under nasp accredited programs provide quality education aligned with school psychology standards, which can complement community outreach or educational roles involving animals.

For those aiming at clinical psychology without the GRE hurdle, online apa-accredited psyd programs with no GRE requirements offer flexible options to advance mental health expertise, potentially beneficial in counseling roles within veterinary clinics or animal welfare organizations.

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