World's Best Scientists 2026 revealed!
Janusz Jamrozik

Janusz Jamrozik

D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
5816
World Ranking
1483
National Ranking
105

Janusz Jamrozik 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 Janusz Jamrozik 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: 122 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Janusz Jamrozik 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 Janusz Jamrozik 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: 37 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Overview

Janusz Jamrozik is affiliated with the University of Guelph in Canada. Their research primarily focuses on agricultural and biological sciences, with an emphasis on genetics and animal science. The scientist's work spans genetics, animal behavior, nutrition, and disease management within livestock populations.

The main fields of study for Janusz Jamrozik include:

  • Agricultural and Biological Sciences
  • Biochemistry, Genetics and Molecular Biology

Subfields covered in their research consist of:

  • Genetics
  • Animal Science and Zoology
  • Agronomy and Crop Science
  • Small Animals
  • Plant Science

The recurring topics addressed throughout their publications are:

  • Genetic and phenotypic traits in livestock
  • Effects of Environmental Stressors on Livestock
  • Ruminant Nutrition and Digestive Physiology
  • Animal Behavior and Welfare Studies
  • Animal Disease Management and Epidemiology
  • Genetic Mapping and Diversity in Plants and Animals
  • Genetics and Plant Breeding

Janusz Jamrozik has authored multiple papers, including:

  • Symposium review: Multiple-trait single-step genomic evaluation for hoof health, 2020, Journal of Dairy Science
  • Development of genomic evaluation for methane efficiency in Canadian Holsteins, 2024, JDS Communications
  • Phenotypic and genomic modeling of lactation curves: A longitudinal perspective, 2024, JDS Communications
  • Estimation of genetic parameters for feed efficiency traits using random regression models in dairy cattle, 2023, Journal of Dairy Science

The scientist collaborates frequently with several co-authors, notably:

  • Flávio S. Schenkel
  • F. Miglior
  • Hinayah Rojas de Oliveira
  • A. Fleming
  • F. Malchiodi

Janusz Jamrozik's publications are often found in the journal venues:

  • JDS Communications
  • Journal of Dairy Science

Best Publications

  • Estimates of Genetic Parameters for a Test Day Model with Random Regressions for Yield Traits of First Lactation Holsteins

    J. Jamrozik;L.R. Schaeffer

  • Genetic Evaluation of Dairy Cattle Using Test Day Yields and Random Regression Model

    J. Jamrozik;L.R. Schaeffer;J.C.M. Dekkers

  • Estimates of Genetic Parameters for Canadian Holstein Female Reproduction Traits

    J. Jamrozik;J. Fatehi;G.J. Kistemaker;L.R. Schaeffer

  • Experience with a Test-Day Model

    L. R. Schaeffer;J. Jamrozik;G. J. Kistemaker;B. J. Van Doormaal

  • Genetic Analysis of Milk Urea Nitrogen and Lactose and Their Relationships with Other Production Traits in Canadian Holstein Cattle

    F. Miglior;A. Sewalem;A. Sewalem;J. Jamrozik;J. Bohmanova

  • Estimation of Genetic Parameters for Test Day Records of Somatic Cell Score

    R. Reents;J. Jamrozik;L.R. Schaeffer;J.C.M. Dekkers

  • Estimation of Genetic Parameters for Concentrations of Milk Urea Nitrogen

    G.M. Wood;P.J. Boettcher;P.J. Boettcher;J. Jamrozik;G.B. Jansen

  • Comparison of possible covariates for use in a random regression model for analyses of test day yields

    J. Jamrozik;G.J. Kistemaker;J.C.M. Dekkers;L.R. Schaeffer

  • Strategies for Estimating the Parameters Needed for Different Test-Day Models

    I. Misztal;T. Strabel;J. Jamrozik;E.A. Mäntysaari

  • Comparison of Random Regression Models with Legendre Polynomials and Linear Splines for Production Traits and Somatic Cell Score of Canadian Holstein Cows

    J. Bohmanova;F. Miglior;F. Miglior;J. Jamrozik;I. Misztal

  • Analysis of Milk Urea Nitrogen and Lactose and Their Effect on Longevity in Canadian Dairy Cattle

    F. Miglior;F. Miglior;A. Sewalem;A. Sewalem;J. Jamrozik;D.M. Lefebvre

  • Multiple-trait prediction of lactation yields for dairy cows.

    L.R. Schaeffer;J. Jamrozik

  • Genetic Parameters for a Multiple-Trait Multiple-Lactation Random Regression Test-Day Model in Italian Holsteins

    B.L. Muir;G. Kistemaker;J. Jamrozik;F. Canavesi

  • Analysis of persistency of lactation calculated from a random regression test day model

    J Jamrozik;G Jansen;L R Schaeffer;Z Liu

  • Genetic analysis of milk β-hydroxybutyrate and its association with fat-to-protein ratio, body condition score, clinical ketosis, and displaced abomasum in early first lactation of Canadian Holsteins.

    A. Koeck;J. Jamrozik;F.S. Schenkel;R.K. Moore

  • Approximate accuracies of prediction from random regression models

    J Jamrozik;L.R Schaeffer;G.B Jansen

  • Comparison of random regression test-day models for Polish Black and White cattle.

    T. Strabel;J. Szyda;E. Ptak;J. Jamrozik

  • Invited review: Advances and applications of random regression models: From quantitative genetics to genomics

    H R Oliveira;L F Brito;D A L Lourenco;F F Silva

  • Genetic analysis of milk production traits of polish black and white cattle using large-scale random regression test-day models

    T. Strabel;J. Jamrozik

  • Random regression models: a longitudinal perspective

    L.R. Schaeffer;J. Jamrozik

  • Genetic and environmental relationships between body condition score and milk production traits in Canadian Holsteins.

    S. Loker;C. Bastin;F. Miglior;F. Miglior;A. Sewalem;A. Sewalem

Frequent Co-Authors

Filippo Miglior
Filippo Miglior University of Guelph
L.R. Schaeffer
L.R. Schaeffer University of Guelph
Flavio S Schenkel
Flavio S Schenkel University of Guelph
A. Sewalem
A. Sewalem Agriculture and Agriculture-Food Canada
David F. Kelton
David F. Kelton University of Guelph
Jack C. M. Dekkers
Jack C. M. Dekkers Iowa State University
Ignacy Misztal
Ignacy Misztal University of Georgia
Daniela Lourenco
Daniela Lourenco University of Georgia
J. W. Wilton
J. W. Wilton University of Guelph
Stephen P. Miller
Stephen P. Miller University of New England

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