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Animal Science and Veterinary
USA
2023

D-Index & Metrics

Animal Science and Veterinary

D-Index
69
Citations
12528
World Ranking
192
National Ranking
61

Research.com Recognitions

  • 2023 - Research.com Animal Science and Veterinary in United States Leader Award
  • 2012 - Gary L. Cromwell Award for Minerals Nutrition, American Society of Animal Science
  • 2012 - ASAS Fellow: Research Category, American Society of Animal Science
  • 1995 - American Feed Industry Association Award in Ruminant Nutrition Research, American Society of Animal Science

Overview

Jerry W. Spears is affiliated with North Carolina State University in the United States and has a research focus primarily within Agricultural and Biological Sciences. Their published work encompasses various subfields, including Plant Science, Agronomy and Crop Science, Animal Science and Zoology, Nutrition and Dietetics, and Hematology.

The scientist's research covers topics such as Ruminant Nutrition and Digestive Physiology, Rabbits: Nutrition, Reproduction, Health, Agricultural Pest Management Studies, Trace Elements in Health, Iron Metabolism and Disorders, Plant Micronutrient Interactions and Effects, and Animal Health and Immunology.

Recent papers authored or co-authored by Jerry W. Spears include:

  • Invited Review: Assessing trace mineral status in ruminants, and factors that affect measurements of trace mineral status, 2022, Applied Animal Science
  • Evaluation of a phytogenic blend fed with monensin on post-weaning growth performance, health, and sera metabolite responses during the initial 56 d feedlot receiving period in steer calves, 2024, Acta Agriculturae Scandinavica Section A - Animal Science
  • Effects of Botanical Blend of Turmeric, Capsicum, and Pepper Extracts on Colostrum and Milk Yield and Quality, Passive Transfer of Immunity, and Performance of Beef Cow-Calf Pairs, 2025, Veterinary Sciences
  • Trace Mineral Source Impacts Volatile Fatty Acid Profile and Rumen Trace Mineral Solubility in Feedlot Steers, 2025, Animals
  • Effects of a formulated botanical blend on growth performance and carcass characteristics in feedlot cattle: a pooled analysis, 2025, Acta Agriculturae Scandinavica Section A - Animal Science

Jerry W. Spears has frequently published in the following venues:

  • Acta Agriculturae Scandinavica Section A - Animal Science
  • Applied Animal Science
  • Veterinary Sciences
  • Animals

Frequent co-authors include:

  • E.H. Wall
  • Thiago Lauro Maia Ribeiro
  • Warren C Rusche
  • J. W. Spears
  • V.L.N. Brandao

Awards and recognitions received by Jerry W. Spears include:

  • ASAS Fellow: Research Category, American Society of Animal Science (2012)
  • Gary L. Cromwell Award for Minerals Nutrition, American Society of Animal Science (2012)
  • American Feed Industry Association Award in Ruminant Nutrition Research, American Society of Animal Science (1995)

Best Publications

  • Role of antioxidants and trace elements in health and immunity of transition dairy cows.

    Jerry W Spears;William P Weiss

  • Trace Mineral Bioavailability in Ruminants

    Jerry W. Spears

  • Micronutrients and immune function in cattle.

    Jerry W. Spears

  • Effect of zinc source (zinc oxide vs zinc proteinate) and level on performance, carcass characteristics, and immune response of growing and finishing steers.

    J. W. Spears;E. B. Kegley

  • Zinc methionine for ruminants: relative bioavailability of zinc in lambs and effects of growth and performance of growing heifers.

    Spears Jw

  • Organic trace minerals in ruminant nutrition

    Jerry W. Spears

  • Effects of dietary copper concentration and source on performance and copper status of growing and finishing steers.

    T. E. Engle;J. W. Spears

  • Effect of dietary trace mineral concentration and source (inorganic vs. chelated) on performance, mineral status, and fecal mineral excretion in pigs from weaning through finishing

    B. L. Creech;J. W. Spears;W. L. Flowers;G. M. Hill

  • Immune response, glucose metabolism, and performance of stressed feeder calves fed inorganic or organic chromium

    E B Kegley;J W Spears

  • Effect of shipping and chromium supplementation on performance, immune response, and disease resistance of steers.

    E B Kegley;J W Spears;T T Brown

  • Effect of dietary copper, iron, and molybdenum on growth and copper status of beef cows and calves.

    Gene P. Gengelbach;Jerry D. Ward;J. W. Spears

  • Dietary copper effects on lipid metabolism, performance, and ruminal fermentation in finishing steers.

    T E Engle;J W Spears

  • Boron Supplementation of a Semipurified Diet for Weanling Pigs Improves Feed Efficiency and Bone Strength Characteristics and Alters Plasma Lipid Metabolites

    Todd A. Armstrong;Jerry W. Spears;Thomas D. Crenshaw;Forrest H. Nielsen

  • Long-term effects of consumption of low-copper diets with or without supplemental molybdenum on copper status, performance, and carcass characteristics of cattle.

    J D Ward;J W Spears

  • The effect of early weaning on feedlot performance and measures of stress in beef calves

    J. D. Arthington;J. W. Spears;D. C. Miller

  • Effect of copper level and source (copper lysine vs copper sulfate) on copper status, performance, and immune response in growing steers fed diets with or without supplemental molybdenum and sulfur.

    J D Ward;J W Spears;E B Kegley

  • Effects of dietary copper source and concentration on carcass characteristics and lipid and cholesterol metabolism in growing and finishing steers.

    T E Engle;J W Spears;T A Armstrong;C L Wright

  • Interaction of Calcium and Phytate in Broiler Diets. 1. Effects on Apparent Prececal Digestibility and Retention of Phosphorus

    P W Plumstead;A B Leytem;R O Maguire;J W Spears

  • Inflammatory response, growth, and thyroid hormone concentrations are affected by long-term boron supplementation in gilts.

    T A Armstrong;J W Spears;K E Lloyd

  • Bioavailability of feed-grade copper sources (oxide, sulfate, or lysine) in growing cattle.

    E B Kegley;J W Spears

  • Bioavailability of zinc from zinc sulfate and different organic zinc sources and their effects on ruminal volatile fatty acid proportions

    J.W. Spears;P. Schlegel;M.C. Seal;K.E. Lloyd

  • Bioavailability of copper proteinate and copper carbonate relative to copper sulfate in cattle.

    J.D. Ward;J.W. Spears;E.B. Kegley

Frequent Co-Authors

K.E. Lloyd
K.E. Lloyd North Carolina State University
Terry E. Engle
Terry E. Engle Colorado State University
E B Kegley
E B Kegley University of Arkansas at Fayetteville
Stephanie L. Hansen
Stephanie L. Hansen Iowa State University
E. van Heugten
E. van Heugten North Carolina State University
John D. Arthington
John D. Arthington University of Florida
Jesse L. Grimes
Jesse L. Grimes North Carolina State University
Joseph C. Burns
Joseph C. Burns North Carolina State University
Gerald B. Huntington
Gerald B. Huntington North Carolina State University
Judith R. Stabel
Judith R. Stabel Agricultural Research Service

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