World's Best Scientists 2026 revealed!
David A. Christensen

David A. Christensen

D-Index & Metrics

Animal Science and Veterinary

D-Index
44
Citations
6710
World Ranking
878
National Ranking
62

Overview

David A. Christensen is affiliated with the University of Saskatchewan in Canada. Their research primarily spans the field of Agricultural and Biological Sciences, with a focused interest in several subfields including Agronomy and Crop Science, Plant Science, Infectious Diseases, Molecular Biology, and Nutrition and Dietetics.

The scientist's recent publications demonstrate a diverse engagement with topics related to both plant and animal sciences as well as infectious disease detection. Notable papers include:

  • "Methods to Evaluate the Impact of SARS-CoV-2 Nucleocapsid Mutations on Antigen Detection by Rapid Diagnostic Tests" (2022) published in BioTechniques
  • "Utilization of synchrotron-based and globar-sourced mid-infrared spectroscopy for faba nutritional research about molecular structural and nutritional interaction" (2020) published in Critical Reviews in Food Science and Nutrition
  • "Distribution of micronutrients in Arborg oat (Avena sativa L.) using synchrotron X-ray fluorescence imaging" (2023) published in Food Chemistry
  • "Production performance and metabolic characteristics of cows fed whole plant faba bean silage in comparison with barley and corn silage" (2021) published in Canadian Journal of Animal Science
  • "Evaluating the effects of fibrolytic enzymes on rumen fermentation, omasal nutrient flow, and production performance in dairy cows during early lactation" (2021) also published in Canadian Journal of Animal Science

Frequent co-authors who have collaborated with David A. Christensen include:

  • Peiqiang Yu (11 joint publications)
  • Víctor H. Guevara-Oquendo (5 joint publications)
  • H.A. Lardner (5 joint publications)
  • María E. Rodríguez Espinosa (5 joint publications)
  • María E. Rodríguez-Espinosa (3 joint publications)

The scientist has published extensively in venues that focus on animal and food sciences. Frequent publication venues are:

  • Canadian Journal of Animal Science (4 publications)
  • Journal of Animal Science (4 publications)
  • Critical Reviews in Food Science and Nutrition (2 publications)
  • BioTechniques (1 publication)
  • Food Chemistry (1 publication)

The main research topics covered by their work include:

  • Ruminant Nutrition and Digestive Physiology
  • Agronomic Practices and Intercropping Systems
  • Agricultural pest management studies
  • Phytase and its Applications
  • Plant Micronutrient Interactions and Effects
  • SARS-CoV-2 detection and testing
  • Advanced biosensing and bioanalysis techniques

Best Publications

  • Effect of concentrate level and feeding management on chewing activities, saliva production, and ruminal pH of lactating dairy cows.

    M. Maekawa;K. A. Beauchemin;David A. Christensen

  • Effects of Alfalfa Particle Size and Specific Gravity on Chewing Activity, Digestibility, and Performance of Holstein Dairy Cows

    A. Teimouri Yansari;R. Valizadeh;A. Naserian;D.A. Christensen

  • Chewing activity, saliva production, and ruminal pH of primiparous and multiparous lactating dairy cows.

    M. Maekawa;K. A. Beauchemin;David A. Christensen

  • Hot Topic: An Association Between a Leptin Single Nucleotide Polymorphism and Milk and Protein Yield

    F.C. Buchanan;A.G. Van Kessel;C. Waldner;D.A. Christensen

  • Heat-induced protein structure and subfractions in relation to protein degradation kinetics and intestinal availability in dairy cattle.

    K. Doiron;P. Yu;J.J. McKinnon;D.A. Christensen

  • REVIEW OF COPPER DEFICIENCY AND METABOLISM IN RUMINANTS

    Unknown

  • Using the NRC-2001 model and the DVE/OEB system to evaluate nutritive values of Harrington (malting-type) and Valier (feed-type) barley for ruminants

    P Yu;J.A Meier;D.A Christensen;B.G Rossnagel

  • Using Synchrotron-Based FTIR Microspectroscopy To Reveal Chemical Features of Feather Protein Secondary Structure: Comparison with Other Feed Protein Sources

    Peiqiang Yu;John J. Mckinnon;Colleen R. Christensen;David A. Christensen

  • Comparison of the National Research Council-2001 model with the Dutch system (DVE/OEB) in the prediction of nutrient supply to dairy cows from forages.

    P. Yu;D.A. Christensen;J.J. McKinnon

  • Effect of variety and maturity stage on chemical composition, carbohydrate and protein subfractions, in vitro rumen degradability and energy values of timothy and alfalfa

    P. Yu;D.A. Christensen;J.J. McKinnon;J.D. Markert

  • Influence of dry heat treatment of canola meal on site and extent of nutrient disappearance in ruminants

    J.J. McKinnon;J.A. Olubobokun;A. Mustafa;R.D.H. Cohen

  • The nutritive value of hemp meal for ruminants

    A. F. Mustafa;J. J. McKinnon;D. A. Christensen

  • Effects of dietary crude protein and rumen-degradable protein concentrations on urea recycling, nitrogen balance, omasal nutrient flow, and milk production in dairy cows

    T. Mutsvangwa;K.L. Davies;J.J. McKinnon;D.A. Christensen

  • Effects of pea, barley, and alfalfa silage on ruminal nutrient degradability and performance of dairy cows.

    A.F. Mustafa;D.A. Christensen;J.J. McKinnon

  • Effects of feeding micronised flaxseed on yield and composition of milk from Holstein cows

    AF Mustafa;PY Chouinard;DA Christensen

  • Improving the nutritional value of oat hulls for ruminant animals with pretreatment of a multienzyme cocktail: in vitro studies.

    P. Yu;J. J. McKinnon;David A. Christensen

  • The nutritive value for ruminants of thin stillage and distillers' grains derived from wheat, rye, triticale and barley.

    Arif F Mustafa;John J McKinnon;Michael W Ingledew;David A Christensen

  • Effects of dietary copper, molybdenum and sulfur on biliary copper and zinc excretion in Simmental and Angus cattle

    S. R. Gooneratne;D. A. Christensen;J. V. Bailey;H. W. Symonds

  • The Effect of Insulin on Net Metabolism of Glucose and Amino Acids by the Bovine Mammary Gland*

    Unknown

  • Use of synchrotron FTIR microspectroscopy to identify chemical differences in barley endosperm tissue in relation to rumen degradation characteristics

    P. Yu;D. A. Christensen;C. R. Christensen;M. D. Drew

  • Effects of stage of processing of canola seed on chemical composition and in vitro protein degradability of canola meal and intermediate products

    A. F. Mustafa;D. A. Christensen;J. J. McKinnon;R. Newkirk

  • The influence of heat and chemical treatment on ruminal disappearance of canola meal

    J. J. McKinnon;J. A. Olubobokun;D. A. Christensen;R. D. H. Cohen

  • Influence of particle size on the effectiveness of the fiber in barley silage.

    H.W. Soita;D.A. Christensen;J.J. McKinnon

Frequent Co-Authors

John J. McKinnon
John J. McKinnon University of Saskatchewan
Peiqiang Yu
Peiqiang Yu University of Saskatchewan
Arif F Mustafa
Arif F Mustafa McGill University
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
Yuxi Wang
Yuxi Wang Agriculture and Agriculture-Food Canada
Philip A. Thacker
Philip A. Thacker University of Saskatchewan
Margaret Y. Gruber
Margaret Y. Gruber Agriculture and Agriculture-Food Canada
Brian G. Rossnagel
Brian G. Rossnagel University of Saskatchewan
W.Z. Yang
W.Z. Yang Agriculture and Agriculture-Food Canada
Karen A. Beauchemin
Karen A. Beauchemin Agriculture and Agriculture-Food Canada

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