World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
44
Citations
6510
World Ranking
887
National Ranking
272

Harvey C. Freetly 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 Harvey C. Freetly 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: 210 publications — 76th percentile

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

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

Harvey C. Freetly 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 Harvey C. Freetly 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

  • 2009 - American Feed Industry Association Award in Ruminant Nutrition Research, American Society of Animal Science

Overview

Harvey C. Freetly is affiliated with the Agricultural Research Service in the United States. Their research primarily spans the fields of Agricultural and Biological Sciences and Biochemistry, Genetics and Molecular Biology, with a focus on subfields such as Agronomy and Crop Science, Genetics, Animal Science and Zoology, Molecular Biology, and Rheumatology.

The scientist's research topics cover a variety of areas including:

  • Ruminant Nutrition and Digestive Physiology
  • Genetic and phenotypic traits in livestock
  • Reproductive Physiology in Livestock
  • Effects of Environmental Stressors on Livestock
  • Genetic Mapping and Diversity in Plants and Animals
  • Folate and B Vitamins Research
  • Gestational Diabetes Research and Management

Recent publications by Harvey C. Freetly include:

  • Digestive tract microbiota of beef cattle that differed in feed efficiency, 2020, Journal of Animal Science
  • Heritability and genetic correlations of feed intake, body weight gain, residual gain, and residual feed intake of beef cattle as heifers and cows, 2020, Journal of Animal Science
  • Genes associated with body weight gain and feed intake identified by meta-analysis of the mesenteric fat from crossbred beef steers, 2020, PLoS ONE
  • One-carbon metabolite supplementation to heifers for the first 14 d of the estrous cycle alters the plasma and hepatic one-carbon metabolite pool and methionine-folate cycle enzyme transcript abundance in a dose-dependent manner, 2022, Journal of Animal Science
  • The effects of the forage-to-concentrate ratio on the conversion of digestible energy to metabolizable energy in growing beef steers, 2020, Journal of Animal Science

The majority of publications are concentrated in the Journal of Animal Science, with additional work appearing in Translational Animal Science, PLoS ONE, Scientific Reports, and the Journal of Applied Microbiology.

Frequent collaborators in their research include:

  • Amanda K. Lindholm-Perry
  • William T. Oliver
  • Robert A. Cushman
  • L. A. Kuehn
  • Bryan W Neville

Harvey C. Freetly received the American Feed Industry Association Award in Ruminant Nutrition Research from the American Society of Animal Science in 2009.

Best Publications

  • Rumen microbiome from steers differing in feed efficiency.

    Phillip R. Myer;Timothy P. L. Smith;James E. Wells;Larry A. Kuehn

  • Genome-wide association study for feed efficiency and growth traits in U.S. beef cattle

    Christopher M. Seabury;David L. Oldeschulte;Mahdi Saatchi;Jonathan E. Beever

  • Evaluation of antral follicle count and ovarian morphology in crossbred beef cows: investigation of influence of stage of the estrous cycle, age, and birth weight.

    R. A. Cushman;M. F. Allan;Larry A. Kuehn;W. M. Snelling

  • Association, effects and validation of polymorphisms within the NCAPG - LCORL locus located on BTA6 with feed intake, gain, meat and carcass traits in beef cattle.

    Amanda K Lindholm-Perry;Andrea K Sexten;Andrea K Sexten;Larry A Kuehn;Timothy P L Smith

  • Conservation of nitrogen in cattle feedlot waste with urease inhibitors

    Vincent H. Varel;John A. Nienaber;Harvey C. Freetly

  • Thermoregulatory responses of feeder cattle

    T.M Brown-Brandl;J.A Nienaber;R.A Eigenberg;G.L Hahn

  • Investigation of bacterial diversity in the feces of cattle fed different diets.

    M. Kim;J. Kim;L. A. Kuehn;J. L. Bono

  • Rumen Fluid Metabolomics Analysis Associated with Feed Efficiency on Crossbred Steers

    Virginia M. Artegoitia;Andrew P. Foote;Ronald M. Lewis;Harvey C. Freetly

  • Rumen bacterial community structure impacts feed efficiency in beef cattle

    Henry A Paz;Kristin E Hales;James E Wells;Larry A Kuehn

  • Differential expression of genes related to gain and intake in the liver of beef cattle

    C. M. Zarek;A. K. Lindholm-Perry;L. A. Kuehn;H. C. Freetly

  • Timing of realimentation of mature cows that were feed-restricted during pregnancy influences calf birth weights and growth rates.

    H. C. Freetly;C. L. Ferrell;T. G. Jenkins

  • The influence of oscillating dietary protein concentrations on finishing cattle. II. Nutrient retention and ammonia emissions

    S. L. Archibeque;H. C. Freetly;N. A. Cole;Calvin Ferrell

  • Effects of somatotropin and substrates on patterns of liver metabolism in lactating dairy cattle.

    J.R. Knapp;H.C. Freetly;B.L. Reis;C.C. Calvert

  • Evaluation of 16S rRNA amplicon sequencing using two next-generation sequencing technologies for phylogenetic analysis of the rumen bacterial community in steers

    Phillip R. Myer;MinSeok Kim;Harvey C. Freetly;Timothy P.L. Smith

  • QTLs associated with dry matter intake, metabolic mid-test weight, growth and feed efficiency have little overlap across 4 beef cattle studies.

    Mahdi Saatchi;Jonathan E. Beever;Jared E. Decker;Dan B. Faulkner

  • Effects of frequency of supplementation on dry matter intake and net portal and hepatic flux of nutrients in mature ewes that consume low-quality forage

    Clint R. Krehbiel;Calvin L. Ferrell;Harvey C. Freetly

  • The effect of supplemental energy, nitrogen, and protein on feed intake, digestibility, and nitrogen flux across the gut and liver in sheep fed low-quality forage.

    C L Ferrell;K K Kreikemeier;H C Freetly

  • Prevalence and level of Escherichia coli O157:H7 in feces and on hides of feedlot steers fed diets with or without wet distillers grains with solubles.

    J. E. Wells;S. D. Shackelford;E. D. Berry;N. Kalchayanand

  • Partitioning of energy during lactation of primiparous beef cows.

    H. C. Freetly;J. A. Nienaber;T. Brown-Brandl

  • Growth curves of crossbred cows sired by Hereford, Angus, Belgian Blue, Brahman, Boran, and Tuli bulls, and the fraction of mature body weight and height at puberty.

    Harvey C. Freetly;L. A. Kuehn;L. V. Cundiff

  • Partial-genome evaluation of postweaning feed intake and efficiency of crossbred beef cattle.

    W. M. Snelling;M. F. Allan;J. W. Keele;L. A. Kuehn

  • Genetic and phenotypic parameter estimates for feed intake and other traits in growing beef cattle, and opportunities for selection

    K. M. Rolfe;W. M. Snelling;M. K. Nielsen;H. C. Freetly

  • Visceral oxygen consumption during chronic feed restriction and realimentation in sheep.

    H. C. Freetly;C. L. Ferrell;T. G. Jenkins;A. L. Goetsch

Frequent Co-Authors

Larry A. Kuehn
Larry A. Kuehn Agricultural Research Service
Calvin L. Ferrell
Calvin L. Ferrell Agricultural Research Service
James E. Wells
James E. Wells Agricultural Research Service
Steven D. Shackelford
Steven D. Shackelford Agricultural Research Service
Tami M. Brown-Brandl
Tami M. Brown-Brandl University of Nebraska–Lincoln
Timothy P. L. Smith
Timothy P. L. Smith Agricultural Research Service
Gary L. Bennett
Gary L. Bennett Agricultural Research Service
S. L. Archibeque
S. L. Archibeque Colorado State University
John W. Keele
John W. Keele Agricultural Research Service
David A. King
David A. King Agricultural Research Service

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