World's Best Scientists 2026 revealed!
G. C. Waghorn

G. C. Waghorn

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Animal Science and Veterinary
New Zealand
2026

D-Index & Metrics

Animal Science and Veterinary

D-Index
44
Citations
8973
World Ranking
852
National Ranking
8

G. C. Waghorn 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 G. C. Waghorn 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: 100 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

G. C. Waghorn 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 G. C. Waghorn 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.

Research.com Recognitions

  • 2026 - Research.com Animal Science and Veterinary in New Zealand Leader Award
  • 2025 - Research.com Animal Science and Veterinary in New Zealand Leader Award

Overview

G. C. Waghorn is affiliated with AgResearch in New Zealand and works primarily in the field of Agricultural and Biological Sciences. Their research spans several subfields, including Agronomy and Crop Science, Animal Science and Zoology, Small Animals, Process Chemistry and Technology, and Environmental Chemistry.

Their work centers mainly on topics related to Ruminant Nutrition and Digestive Physiology, Odor and Emission Control Technologies, Effects of Environmental Stressors on Livestock, Turfgrass Adaptation and Management, Reproductive Physiology in Livestock, Animal Behavior and Welfare Studies, and Veterinary Pharmacology and Anesthesia.

Recent publications by G. C. Waghorn include:

  • A review of technical variations and protocols used to measure methane emissions from ruminants using respiration chambers, SF6 tracer technique and GreenFeed, to facilitate global integration of published data, 2021, Animal Feed Science and Technology
  • Rumen digesta and products of fermentation in cows fed varying proportions of fodder beet (Beta vulgaris) with fresh pasture or silage or straw, 2020, Animal Production Science
  • Effect of sedatives on rumen motility in sheep, 2020, Small Ruminant Research
  • A Nutritional Investigation of Major Feed Types and Feed Rations Used in Medium-Scale Dairy Production Systems in Sri Lanka, 2022, Animals
  • Exploring rumen microbe-derived fibre-degrading activities for improving feed digestibility, 2024, Massey Research Online (Massey University)

Frequent coauthors collaborating with G. C. Waghorn include:

  • M. M. Della Rosa
  • Arjan Jonker
  • D. Pacheco
  • Stefan Muetzel
  • Sarah J. Lewis

The primary publication venues for this scientist's work encompass:

  • Animal Feed Science and Technology
  • Animal Production Science
  • Small Ruminant Research
  • Animals
  • Massey Research Online (Massey University)

Best Publications

  • Beneficial and detrimental effects of dietary condensed tannins for sustainable sheep and goat production—Progress and challenges

    Garry Waghorn

  • The effect of condensed tannins on the site of digestion of amino acids and other nutrients in sheep fed on<i>Lotus corniculatus</i>L

    Unknown

  • Consequences of plant phenolic compounds for productivity and health of ruminants.

    Garry C. Waghorn;Warren C. McNabb

  • Potential use of Acacia mearnsii condensed tannins to reduce methane emissions and nitrogen excretion from grazing dairy cows.

    C. Grainger;T. Clarke;M J Auldist;K A Beauchemin

  • Effects of condensed tannins in Lotus pedunculatus on its nutritive value for sheep. 1. Non-nitrogenous aspects

    G. C. Waghorn;I. D. Shelton;W. C. McNabb

  • Polyethylene glycol as a means for reducing the impact of condensed tannins in carob pulp: effects on lamb growth performance and meat quality.

    A Priolo;G C Waghorn;M Lanza;L Biondi

  • Assay and digestion of 14C-labelled condensed tannins in the gastrointestinal tract of sheep.

    T. H. Terrill;G. C. Waghorn;D. J. Woolley;W. C. Mcnabb

  • The effect of condensed tannins from seven herbages on Trichostrongylus colubriformis larval migration in vitro.

    Abdul L. Molan;Garry C. Waghorn;Beyng R. Min;Warren C. McNabb

  • Effect of diet on populations of three species of ruminal cellulolytic bacteria in lactating dairy cows.

    P.J. Weimer;G.C. Waghorn;C.L. Odt;D.R. Mertens

  • Methanogenesis from forages fed to sheep

    Unknown

  • Effect of condensed tannins in Lotus corniculatus upon lactation performance in ewes

    Y. Wang;G. B. Douglas;G. C. Waghorn;T. N. Barry

  • Proanthocyanidins from Lotus corniculatus

    L.Y. Foo;R. Newman;G. Waghorn;W.C. McNabb

  • Production, faecal egg counts and worm burdens of ewe lambs which grazed six contrasting forages

    Unknown

  • Effect of condensed tannins upon the performance of lambs grazing Lotus corniculatus and lucerne ( Medicago sativa )

    Y. Wang;G. B. Douglas;G. C. Waghorn;T. N. Barry

  • Lowering ruminant methane emissions through improved feed conversion efficiency

    G C Waghorn;Roger Hegarty

  • Effect of condensed tannins on egg hatching and larval development of Trichostrongylus colubriformis in vitro.

    A. L. Molan;G. C. Waghorn;W. C. McNabb

  • Proanthocyanidins from Lotus pedunculatus

    L.Y. Foo;Y. Lu;W.C. McNabb;G. Waghorn

  • Effect of condensed tannins in Lotus corniculatus on the nutritive value of pasture for sheep

    G. C. Waghorn;I. D. Shelton

  • Dietary nitrogen - definitions, digestion, excretion and consequences of excess for grazing ruminants

    D. Pacheco;G.C. Waghorn

  • The effect of condensed tannins in Lotus pedunculatus on the digestion and metabolism of methionine, cystine and inorganic sulphur in sheep

    W C McNabb;G C Waghorn;T N Barry;I D Shelton

  • The effect of condensed tannins in Lotus pedunculatus on the solubilization and degradation of ribulose-1,5-bisphosphate carboxylase (EC 4.1.1.39; Rubisco) protein in the rumen and the sites of Rubisco digestion.

    W. C. Mcnabb;G. C. Waghorn;J. S. Peters;T. N. Barry

  • Methane emission by alpaca and sheep fed on lucerne hay or grazed on pastures of perennial ryegrass/white clover or birdsfoot trefoil

    C. S. Pinares-Patiño;M. J. Ulyatt;G. C. Waghorn;K. R. Lassey

  • The effect of condensed tannins in Lotus corniculatus on plasma metabolism of methionine, cystine and inorganic sulphate by sheep.

    Yuxi Wang;G. C. Waghorn;T. N. Barry;I. D. Shelton

  • The effect of condensed tannins in Lotus corniculatus upon reproductive efficiency and wool production in sheep during late summer and autumn

    B. R. Min;W. C. McNABB;T. N. Barry;P. D. Kemp

  • Effect of condensed tannins in Lotus corniculatus upon the digestion of methionine and cysteine in the small intestine of sheep

    Y. Wang;G. C. Waghorn;W. C. McNabb;T. N. Barry

  • Effects of condensed tannins in Lotus pedunculatus on its nutritive value for sheep. 2. Nitrogenous aspects

    Unknown

  • Effects of intensification of pastoral farming on greenhouse gas emissions in New Zealand

    C S Pinares-Patino;G C Waghorn;R S Hegarty;S O Hoskin

  • Effect of condensed tannins prepared from several forages on the in vitro precipitation of ribulose-1,5-bisphosphate carboxylase (Rubisco) protein and its digestion by trypsin (EC 2.4.21.4) and chymotrypsin (EC 2.4.21.1).

    Warren C McNabb;Jason S Peters;L Yeap Foo;Garry C Waghorn

  • Effect of condensed tannins in birdsfoot trefoil (Lotus corniculatus) and sulla (Hedysarum coronarium) on body weight, carcass fat depth, and wool growth of lambs in New Zealand

    G. B. Douglas;M. Stienezen;G. C. Waghorn;A. G. Foote

  • Distribution of elements between solid and supernatant fractions of digesta in sheep given six diets.

    G. C. Waghorn;I. D. Shelton;B. R. Sinclair

  • Effects of condensed tannins in white clover flowers on their digestion in vitro

    V. Burggraaf;G. Waghorn;S. Woodward;E. Thom

  • Supplementing fresh pasture with maize, lotus, sulla and pasture silages for dairy cows in summer†

    Sharon L Woodward;Alexandre V Chaves;Garry C Waghorn;Ian M Brookes

  • Whole-Body Irreversible Loss Rate of Cysteine and Valine in Sheep With or Without a Trichostrongylus colubriformis Infection

    E. N. Bermingham;W. C. McNabb;G. W. Reynolds;G. C. Waghorn

Frequent Co-Authors

Warren C. McNabb
Warren C. McNabb Massey University
T. N. Barry
T. N. Barry Massey University
Alexandre V. Chaves
Alexandre V. Chaves University of Sydney
Roger W. Purchas
Roger W. Purchas Massey University
Roger Hegarty
Roger Hegarty AgResearch
C. W. Holmes
C. W. Holmes Massey University
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
S. T. Morris
S. T. Morris Massey University
Alexander N. Hristov
Alexander N. Hristov Pennsylvania State University

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