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D-Index & Metrics

Animal Science and Veterinary

D-Index
33
Citations
4646
World Ranking
1965
National Ranking
567

Overview

D.K. Combs is affiliated with the University of Wisconsin-Madison in the United States and has contributed extensively to the fields of Agricultural and Biological Sciences as well as Biochemistry, Genetics and Molecular Biology. Their research spans multiple subfields, particularly Plant Science, Agronomy and Crop Science, Genetics, Cell Biology, and Animal Science and Zoology.

The scientist's main topics of work include:

  • Ruminant Nutrition and Digestive Physiology
  • Wheat and Barley Genetics and Pathology
  • Bioenergy Crop Production and Management
  • Plant Pathogens and Fungal Diseases
  • Plant Disease Management Techniques
  • Effects of Environmental Stressors on Livestock
  • Genetics and Plant Breeding

D.K. Combs has frequently published in several scientific venues, involving peer-reviewed journals such as Journal of Dairy Science, Frontiers in Plant Science, Theoretical and Applied Genetics, Heliyon, and Grass and Forage Science.

Notable papers authored or coauthored by this scientist include the following:

  • Randomized clinical trial to assess the effect of antibiotic therapy on health and growth of preweaned dairy calves diagnosed with respiratory disease using respiratory scoring and lung ultrasound, 2020, Journal of Dairy Science
  • Genome-Wide Association Studies Identifying Multiple Loci Associated With Alfalfa Forage Quality, 2021, Frontiers in Plant Science
  • Identification of genetic loci associated with five agronomic traits in alfalfa using multi-environment trials, 2023, Theoretical and Applied Genetics
  • Comparison of two in situ reference methods to estimate indigestible NDF by near infrared reflectance spectroscopy in alfalfa, 2021, Heliyon
  • Intensive mechanical processing of forage crops to improve fibre digestion, 2022, Grass and Forage Science

Collaboration plays an important role in D.K. Combs's research, having frequently coauthored works with several researchers including Sen Lin, Cesar Augusto Medina, Glenn E. Shewmaker, Steve Fransen, and Don Llewellyn.

Best Publications

  • High Feed Intake Increases Liver Blood Flow and Metabolism of Progesterone and Estradiol-17β in Dairy Cattle

    S. Sangsritavong;D.K. Combs;R. Sartori;L.E. Armentano

  • In Situ Dry Matter, Protein, and Fiber Degradation of Perennial Forages

    P.C. Hoffman;S.J. Sievert;R.D. Shaver;D.A. Welch

  • Effects of forage particle size and grain fermentability in midlactation cows. II. Ruminal pH and chewing activity.

    K.M. Krause;D.K. Combs;K.A. Beauchemin

  • Effects of Prepartum Diet, Inert Rumen Bulk, and Dietary Polyethylene Glycol on Dry Matter Intake of Lactating Dairy Cows

    T.R. Johnson;D.K. Combs

  • Effects of Forage Particle Size, Forage Source, and Grain Fermentability on Performance and Ruminal pH in Midlactation Cows

    K.M. Krause;D.K. Combs

  • Effects of Forage Particle Size and Grain Fermentability in Midlactation Cows. I. Milk Production and Diet Digestibility

    K.M. Krause;D.K. Combs;K.A. Beauchemin

  • Intake and milk production of cows fed diets that differed in dietary neutral detergent fiber and neutral detergent fiber digestibility

    C. Kendall;C. Leonardi;P.C. Hoffman;D.K. Combs

  • Effects of increasing levels of grain supplementation on rumen environment and lactation performance of dairy cows grazing grass-legume pasture.

    R.B. Reis;D.K. Combs

  • Effects of fat supplementation and immature alfalfa to concentrate ratio on lactation performance of dairy cattle.

    M.J. Jerred;D.J. Carroll;D.K. Combs;R.R. Grummer

  • Long-Term Effects of Acetate and Propionate on Voluntary Feed Intake by Midlactation Cows

    A.C. Sheperd;D.K. Combs

  • Performance of Lactating Dairy Cows Fed Alfalfa Silage or Perennial Ryegrass Silage

    P.C. Hoffman;D.K. Combs;M.D. Casler

  • Effects of Roasting, Extrusion, and Particle Size on the Feeding Value of Soybeans for Dairy Cows

    T.A. Scott;D.K. Combs;R.R. Grummer

  • Determination of Markers in Digesta and Feces by Direct Current Plasma Emission Spectroscopy

    D.K. Combs;L.D. Satter

  • Mineral concentrations in hair as indicators of mineral status: a review.

    Unknown

  • Variability of ovarian structures and plasma progesterone profiles in dairy cows with ovarian cysts.

    D.J. Carroll;R.A. Pierson;E.R. Hauser;R.R. Grummer

  • Effects of fat supplementation and immature alfalfa to concentrate ratio on plasma progesterone, energy balance and reproductive traits of dairy cattle

    D.J. Carroll;M.J. Jerred;R.R. Grummer;D.K. Combs

  • An On‐Farm Test of Perennial Forage Grass Varieties under Management Intensive Grazing

    M. D. Casler;D. J. Undersander;C. Fredericks;D. K. Combs

  • Effects of Increasing Levels of Refined Cornstarch in the Diet of Lactating Dairy Cows on Performance and Ruminal pH

    K.M. Krause;D.K. Combs;K.A. Beauchemin

  • An alternative method to assess 24-h ruminal in vitro neutral detergent fiber digestibility.

    J.P. Goeser;D.K. Combs

  • Effect of forage to concentrate ratio and intake level on utilization of early vegetative alfalfa silage by dairy cows.

    G. Llamas-Lamas;D.K. Combs

  • Effects of Inert Rumen Bulk on Dry Matter Intake in Early and Midlactation Cows Fed Diets Differing in Forage Content

    T.R. Johnson;D.K. Combs

  • Retention of Rare Earths by Hay Particles Following Incubation in Fresh or Autoclaved Rumen Fluid

    D.K. Combs;R.D. Shaver;L.D. Satter

Frequent Co-Authors

P.C. Hoffman
P.C. Hoffman University of Wisconsin–Madison
Randy D. Shaver
Randy D. Shaver University of Wisconsin–Madison
Ric R. Grummer
Ric R. Grummer University of Wisconsin–Madison
Karen A. Beauchemin
Karen A. Beauchemin Agriculture and Agriculture-Food Canada
Xusheng Guo
Xusheng Guo Lanzhou University
Milo C. Wiltbank
Milo C. Wiltbank University of Wisconsin–Madison
Paul M. Fricke
Paul M. Fricke University of Wisconsin–Madison
George E. Shook
George E. Shook University of Wisconsin–Madison
Louis E. Armentano
Louis E. Armentano University of Wisconsin–Madison
Glen A. Broderick
Glen A. Broderick University of Wisconsin–Madison

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