World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
46
Citations
6639
World Ranking
796
National Ranking
16

Padraig O'Kiely 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 Padraig O'Kiely 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: 186 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Padraig O'Kiely 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 Padraig O'Kiely 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: 46 D-Index — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Overview

Padraig O'Kiely is affiliated with Teagasc - The Irish Agriculture and Food Development Authority in Ireland. Their work primarily focuses on areas within Agricultural and Biological Sciences, with a strong emphasis on Agronomy and Crop Science, Forestry, Soil Science, Genetics, and Environmental Chemistry.

Their research explores topics including:

  • Ruminant Nutrition and Digestive Physiology
  • Agronomic Practices and Intercropping Systems
  • Soil Carbon and Nitrogen Dynamics
  • Agroforestry and silvopastoral systems
  • Genetic and phenotypic traits in livestock
  • Turfgrass Adaptation and Management
  • Effects of Environmental Stressors on Livestock

O'Kiely has contributed to several publications, particularly in journals such as the Irish Journal of Agricultural and Food Research, Animals, Livestock Science, and Animal Feed Science and Technology. Notable recent papers include:

  • "Yield of binary- and multi-species swards relative to single-species swards in intensive silage systems" (2020) - Irish Journal of Agricultural and Food Research
  • "Herbage nutritive value of binary- and multi-species swards relative to single-species swards in intensive silage systems" (2020) - Irish Journal of Agricultural and Food Research
  • "Application of Meta-Analysis and Machine Learning Methods to the Prediction of Methane Production from In Vitro Mixed Ruminal Micro-Organism Fermentation" (2020) - Animals
  • "Conservation efficiency and nutritive value of silages made from grass-red clover and multi-species swards compared with grass monocultures" (2021) - Irish Journal of Agricultural and Food Research
  • "Nitrogen fertiliser application rate to temperate mid-season grass: Digestion, nitrogen balance and rumen microbiota in beef cattle, and rumen fermentation and methane production in vitro" (2024) - Livestock Science

Their frequent collaborators include co-authors such as T. Moloney, Helen Sheridan, Jim Grant, E.G. O'Riordan, and M. McGee, each contributing to multiple joint works within the fields mentioned above.

O'Kiely's engagement with research venues reflects a focus on both practical agricultural systems and the physiological aspects of livestock management, advancing knowledge in sustainable and productive farming practices.

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

  • Forage Legumes for Grazing and Conserving in Ruminant Production Systems

    P. Phelan;A. P. Moloney;E. J. McGeough;J. Humphreys

  • Design, implementation and interpretation of in vitro batch culture experiments to assess enteric methane mitigation in ruminants—a review

    D. R. Yáñez-Ruiz;A. Bannink;J. Dijkstra;Ermias Kebreab

  • Review of current in vivo measurement techniques for quantifying enteric methane emission from ruminants

    K. J. Hammond;L. A. Crompton;A. Bannink;J. Dijkstra

  • Mycotoxins and other secondary metabolites produced in vitro by Penicillium paneum Frisvad and Penicillium roqueforti Thom isolated from baled grass silage in Ireland.

    Martin O'Brien;Kristian Fog Nielsen;Padraig O'Kiely;Patrick D. Forristal

  • Simulation modelling of the cost of producing and utilising feeds for ruminants on Irish farms.

    E. Finneran;P. Crosson;P. O'Kiely;L. Shalloo

  • Global Change and Helminth Infections in Grazing Ruminants in Europe: Impacts, Trends and Sustainable Solutions

    Eric R. Morgan;Johannes Charlier;Guy Hendrickx;Annibale Biggeri

  • Stochastic simulation of the cost of home-produced feeds for ruminant livestock systems

    E. Finneran;P. Crosson;P. O'kiely;L. Shalloo

  • Alteration of the carbon and nitrogen stable isotope composition of beef by substitution of grass silage with maize silage.

    Bojlul Bahar;Frank J. Monahan;Aidan P. Moloney;Padraig O'Kiely

  • Requirements of future grass-based ruminant production systems in Ireland

    Michael O'Donovan;Eva Lewis;Padraig O'Kiely

  • Ensiling of seaweed for a seaweed biofuel industry

    Christiane Herrmann;Jamie FitzGerald;Richard O’Shea;Ao Xia

  • Comparative growth and management of white and red clovers

    Alistair D Black;A.S. Laidlaw;D.J. Moot;Padraig O'Kiely

  • Methane emissions, feed intake, performance, digestibility, and rumen fermentation of finishing beef cattle offered whole-crop wheat silages differing in grain content.

    E. J. Mc Geough;E. J. Mc Geough;P. O'Kiely;K. J. Hart;A. P. Moloney

  • The development of a mathematical model to investigate Irish beef production systems

    P. Crosson;P. Crosson;P. O’Kiely;F.P. O’Mara;M. Wallace

  • 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

  • Effects of suppressing cortisol following castration of bull calves on adrenocorticotropic hormone, in vitro interferon-gamma production, leukocytes, acute-phase proteins, growth, and feed intake.

    A D Fisher;M A Crowe;E M O'Nualláin;M L Monaghan

  • Fungi isolated from contaminated baled grass silage on farms in the Irish Midlands

    Martin O'Brien;Martin O'Brien;Padraig O'Kiely;Patrick D. Forristal;Hubert T. Fuller

  • Grass for biogas production: the impact of silage fermentation characteristics on methane yield in two contrasting biomethane potential test systems.

    J. McEniry;E. Allen;J.D. Murphy;P. O'Kiely

  • Growth, behaviour, adrenal and immune responses of finishing beef heifers housed on slatted floors at 1.5, 2.0, 2.5 or 3.0 m2 space allowance

    A.D. Fisher;A.D. Fisher;M.A. Crowe;P. O'Kiely;W.J. Enright

  • Yield and chemical composition of five common grassland species in response to nitrogen fertiliser application and phenological growth stage

    C. King;J. McEniry;M. Richardson;P. O'Kiely

  • 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

  • Conjugated linoleic acid concentration in M. Longissimus dorsi from heifers offered sunflower oil-based concentrates and conserved forages

    F. Noci;P. O’Kiely;F.J. Monahan;C. Stanton

  • In vitro total and methane gas production as influenced by rate of nitrogen application, season of harvest and perennial ryegrass cultivar

    D. K. Lovett;A. Bortolozzo;P. Conaghan;P. Conaghan;P. O'Kiely

Frequent Co-Authors

Jerry D. Murphy
Jerry D. Murphy University College Cork
T. M. Boland
T. M. Boland University College Dublin
Mark McGee
Mark McGee Teagasc - The Irish Agriculture and Food Development Authority
Frank P. O'Mara
Frank P. O'Mara Teagasc - The Irish Agriculture and Food Development Authority
A.P. Moloney
A.P. Moloney Teagasc - The Irish Agriculture and Food Development Authority
Michael O'Donovan
Michael O'Donovan Teagasc - The Irish Agriculture and Food Development Authority
Christopher T. Elliott
Christopher T. Elliott Queen's University Belfast
Christopher K. Reynolds
Christopher K. Reynolds University of Reading
Jan Dijkstra
Jan Dijkstra Wageningen University & Research
Alexander N. Hristov
Alexander N. Hristov Pennsylvania State University

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