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D-Index & Metrics

Animal Science and Veterinary

D-Index
37
Citations
5369
World Ranking
1503
National Ranking
438

Overview

H.D. Norman is affiliated with the Agricultural Research Service in the United States, contributing significantly to the fields of Agricultural and Biological Sciences as well as Biochemistry, Genetics and Molecular Biology. Their research predominantly focuses on genetics, agronomy, animal science, and related subfields, reflecting a multidisciplinary approach within agricultural research.

Their work covers a variety of subfields including:

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

Norman has addressed several main topics in their publications, such as:

  • Genetic and phenotypic traits in livestock
  • Milk Quality and Mastitis in Dairy Cows
  • Reproductive Physiology in Livestock
  • Effects of Environmental Stressors on Livestock
  • Genetic Mapping and Diversity in Plants and Animals
  • Genetics and Plant Breeding
  • Animal Behavior and Welfare Studies

Their recent published papers include the following titles:

  • Changes in genetic trends in US dairy cattle since the implementation of genomic selection, 2022, Journal of Dairy Science
  • Investigating conception rate for beef service sires bred to dairy cows and heifers, 2020, Journal of Dairy Science
  • Symposium review: Development, implementation, and perspectives of health evaluations in the United States, 2020, Journal of Dairy Science
  • Daily milk yield correction factors: What are they?, 2022, JDS Communications
  • Genetic Evaluations of Stillbirth for Five United States Dairy Breeds: A Data-Resource Feasibility Study, 2022, Frontiers in Genetics

Their frequent publication venues demonstrate a focus on dairy science and genetics with contributions appearing in:

  • Journal of Dairy Science
  • JDS Communications
  • arXiv (Cornell University)
  • Frontiers in Genetics

Norman collaborates regularly with other researchers, notably:

  • João Walter Dürr
  • Javier Burchard
  • G.R. Wiggans
  • John B. Cole
  • Curtis P. Van Tassell

Best Publications

  • Development of a National Genetic Evaluation for Cow Fertility

    P.M. VanRaden;A.H. Sanders;M.E. Tooker;R.H. Miller

  • Invited Review: Culling: Nomenclature, Definitions, and Recommendations

    J. Fetrow;K.V. Nordlund;H.D. Norman

  • Reproductive status of Holstein and Jersey cows in the United States.

    H.D. Norman;J.R. Wright;S.M. Hubbard;R.H. Miller

  • Trends in calving ages and calving intervals for dairy cattle breeds in the United States.

    E. Hare;H.D. Norman;J.R. Wright

  • Genetic and environmental factors that affect gestation length in dairy cattle.

    H.D. Norman;J.R. Wright;M.T. Kuhn;S.M. Hubbard

  • Use of sexed semen and its effect on conception rate, calf sex, dystocia, and stillbirth of Holsteins in the United States.

    H.D. Norman;J.L. Hutchison;R.H. Miller

  • Survival Rates and Productive Herd Life of Dairy Cattle in the United States

    E. Hare;H.D. Norman;J.R. Wright

  • Use of residual feed intake in Holsteins during early lactation shows potential to improve feed efficiency through genetic selection.

    E. E. Connor;J. L. Hutchison;H. D. Norman;K. M. Olson

  • Short communication: genotype by environment interaction due to heat stress.

    J. Bohmanova;I. Misztal;S. Tsuruta;H.D. Norman

  • Herd and state means for somatic cell count from dairy herd improvement

    H.D. Norman;R.H. Miller;J.R. Wright;G.R. Wiggans

  • A 100-Year Review: Methods and impact of genetic selection in dairy cattle-From daughter-dam comparisons to deep learning algorithms.

    K.A. Weigel;P.M. VanRaden;H.D. Norman;H. Grosu

  • Changes in genetic trends in US dairy cattle since the implementation of genomic selection.

    Unknown

  • Analysis of copy number variations in Holstein cows identify potential mechanisms contributing to differences in residual feed intake.

    Yali Hou;Yali Hou;Derek M. Bickhart;Hoyoung Chung;Jana L. Hutchison

  • Death losses for lactating cows in herds enrolled in dairy herd improvement test plans.

    R.H. Miller;M.T. Kuhn;H.D. Norman;J.R. Wright

  • Relation of First Lactation Production and Conformation to Lifetime Performance and Profitability in Jerseys

    Unknown

  • Trends in Breeding Value and Production

    R.L. Powell;H.D. Norman;F.N. Dickinson

  • TRIENNIAL LACTATION SYMPOSIUM: Opportunities for improving milk production efficiency in dairy cattle,

    E. E. Connor;J. L. Hutchison;K. M. Olson;H. D. Norman

  • Phenotypic and genetic relationship between linear functional type traits and milk yield for five breeds.

    H.D. Norman;R.L. Powell;J.R. Wright;B.G. Cassell

  • Effects of length of dry period on yields of milk fat and protein, fertility and milk somatic cell score in the subsequent lactation of dairy cows

    Melvin T Kuhn;Jana L Hutchison;H Duane Norman

  • Type Appraisal: III. Relationships of First Lactation Production and Type Traits with Lifetime Performance

    Unknown

  • Voluntary Waiting Period and Adoption of Synchronized Breeding in Dairy Herd Improvement Herds

    R.H. Miller;H.D. Norman;M.T. Kuhn;J.S. Clay

  • Method R estimates of heritability for milk, fat, and protein yields of United States dairy cattle.

    C.P. van Tassell;G.R. Wiggans;H.D. Norman

  • Estimation of (Co)Variance Components for Jersey Type Traits Using a Repeatability Model

    Nicolas Gengler;G. R. Wiggans;J. R. Wright;H. D. Norman

  • Dry period length to maximize production across adjacent lactations and lifetime production.

    M.T. Kuhn;J.L. Hutchison;H.D. Norman

  • Modeling Nuisance Variables for Prediction of Service Sire Fertility

    M.T. Kuhn;J.L. Hutchison;H.D. Norman

  • Relationship of Test-Day Somatic Cell Score with Test-Day and Lactation Milk Yields

    R.H. Miller;H.D. Norman;G.R. Wiggans;J.R. Wright

  • Major Advances in Genetic Evaluation Techniques

    R.L. Powell;H.D. Norman

  • Dry period length in US Jerseys: characterization and effects on performance.

    M.T. Kuhn;J.L. Hutchison;H.D. Norman

Frequent Co-Authors

J.L. Hutchison
J.L. Hutchison US Department of Agriculture
Paul M. VanRaden
Paul M. VanRaden United States Department of Agriculture
Kent A. Weigel
Kent A. Weigel University of Wisconsin–Madison
Filippo Miglior
Filippo Miglior University of Guelph
Erin E. Connor
Erin E. Connor University of Delaware
Chad Daniel Dechow
Chad Daniel Dechow Pennsylvania State University
Nicolas Gengler
Nicolas Gengler Gembloux Agro-Bio Tech
Michael M Schutz
Michael M Schutz Purdue University West Lafayette
Jason E. Lombard
Jason E. Lombard Animal and Plant Health Inspection Service
R.E. Pearson
R.E. Pearson Virginia Tech

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