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D-Index & Metrics

Animal Science and Veterinary

D-Index
33
Citations
3925
World Ranking
2010
National Ranking
582

Research.com Recognitions

  • 2013 - Morrison Award, American Society of Animal Science

Overview

Rodger K. Johnson is affiliated with the University of Nebraska-Lincoln in the United States, where their research primarily focuses on Environmental Science, Biochemistry, Genetics and Molecular Biology, and Social Sciences. Their work spans several subfields, including Ecology, Genetics, Small Animals, Health, and Infectious Diseases.

Johnson's research explores a variety of topics closely related to livestock and wildlife, including genetic and phenotypic traits in livestock, genetic mapping and diversity in plants and animals, animal behavior and welfare studies, wildlife ecology and conservation, ecology and biodiversity studies, animal ecology and behavior studies, and vaccine coverage and hesitancy.

Recent scholarly contributions include:

  • Applying functional genomics research to the study of pig reproduction (2020, Bioscientifica Proceedings)
  • Effects of restricting energy during the gilt development period on growth and reproduction of lines differing in lean growth rate: responses in reproductive performance and longevity (2021, Journal of Animal Science)
  • Influencing prolificacy of sows by selection for physiological factors (2020, Bioscientifica Proceedings)

Johnson has frequently published in the Bioscientifica Proceedings and the Journal of Animal Science. These venues reflect a focus on the biological and agricultural sciences.

Their research collaborations include work with Daniel Pomp, Alexandre Rodrigues Caetano, A. R. Bertani, C. D. Gladney, and Melanie D Trenhaile-Grannemann.

In recognition of their contributions to the field, Johnson received the Morrison Award from the American Society of Animal Science in 2013.

Best Publications

  • Responses in ovulation rate, embryonal survival, and litter traits in swine to 14 generations of selection to increase litter size

    Rodger K. Johnson;Merlyn K. Nielsen;David S. Casey

  • CANDIDATE GENE ANALYSIS FOR LOCI AFFECTING LITTER SIZE AND OVULATION RATE IN SWINE

    R. C. Linville;Daniel Pomp;R. K. Johnson;Max F. Rothschild

  • Identification of quantitative trait loci affecting reproduction in pigs.

    J. P. Cassady;R. K. Johnson;D. Pomp;G. A. Rohrer

  • Evidence for quantitative trait loci affecting ovulation rate in pigs.

    Thomas A. Rathje;G. A. Rohrer;R. K. Johnson

  • Direct responses to selection for increased litter size, decreased age at puberty, or random selection following selection for ovulation rate in swine.

    W. R. Lamberson;R. K. Johnson;Dwane R. Zimmerman;T. E. Long

  • Animal model estimation of genetic parameters and response to selection for litter size and weight, growth, and backfat in closed seedstock populations of large white and Landrace swine.

    Jose Bento S. Ferraz;Rodger K. Johnson

  • Selection for components of reproduction in swine

    Rodger K Johnson;Dwane R Zimmerman;Roger J Kittok

  • Differential immunity in pigs with high and low responses to porcine reproductive and respiratory syndrome virus infection.

    D B Petry;J Lunney;P Boyd;D Kuhar

  • The National Pork Producers Council Maternal Line National Genetic Evaluation Program: a comparison of six maternal genetic lines for female productivity measures over four parities.

    S. J. Moeller;R. N. Goodwin;R. K. Johnson;J. W. Mabry

  • Biological responses to porcine respiratory and reproductive syndrome virus in pigs of two genetic populations.

    D. B. Petry;J. W. Holl;J. S. Weber;Alan R. Doster

  • CROSSBREEDING IN SWINE: EXPERIMENTAL RESULTS

    Rodger K. Johnson

  • TESTICULAR GROWTH IN BOARS OF DIFFERENT GENETIC LINES AND ITS RELATIONSHIP TO REPRODUCTIVE PERFORMANCE

    Allan Schinckel;R. K. Johnson;R. A. Pumfrey;Dwane R. Zimmerman

  • A genome scan for quantitative trait loci and imprinted regions affecting reproduction in pigs

    J. W. Holl;J. P. Cassady;D. Pomp;R. K. Johnson

  • National Pork Producers Council Maternal Line National Genetic Evaluation Program: A comparison of sow longevity and trait associations with sow longevity

    T. Serenius;K. J. Stalder;T. J. Baas;J. W. Mabry

  • Changes in Ovulation Rate, Uterine Capacity, Uterine Dimensions, and Parity Effects with Selection for Litter Size in Swine

    Luis L. T. Gama;R. K. Johnson

  • Effect of selection for size of testes in boars on semen and testis traits

    Ying-Tsorn Huang;Rodger K. Johnson

  • Microarray Profiling for Differential Gene Expression in Ovaries and Ovarian Follicles of Pigs Selected for Increased Ovulation Rate

    Alexandre Rodrigues Caetano;Rodger K. Johnson;J. Joe Ford;Daniel Pomp

  • EFFECT OF TALLOW AND CHOLINE CHLORIDE ADDITION TO THE DIET OF SOWS ON MILK COMPOSITION, MILK YIELD AND PREWEANING PIG PERFORMANCE

    R. D. Boyd;B. D. Moser;E. R. Peo;A. J. Lewis

  • Direct and correlated responses to two-stage selection for ovulation rate and number of fully formed pigs at birth in swine.

    A Ruíz-Flores;R K Johnson

  • Evaluation of gene expression in pigs selected for enhanced reproduction using differential display PCR and human microarrays: I. Ovarian follicles

    C. D. Gladney;G. R. Bertani;R. K. Johnson;Daniel Pomp

  • Estimation of genetic parameters for average daily gain using models with competition effects

    C. Y. Chen;S. D. Kachman;R. K. Johnson;S. Newman

  • Ten generations of selection for predicted weight of testes in swine: direct response and correlated response in body weight, backfat, age at puberty, and ovulation rate.

    Rodger K. Johnson;Gregg R. Eckardt;Thomas A. Rathje;Denise K. Drudik

  • Correlated response in placental efficiency in swine selected for an index of components of litter size

    H. Mesa;T. J. Safranski;R. K. Johnson;W. R. Lamberson

  • Factors associated with sow stayability in 6 genotypes.

    M. Knauer;K. J. Stalder;T. Serenius;T. J. Baas

  • Genome‐wide prediction of age at puberty and reproductive longevity in sows

    Julie Kathleen Tart;Rodger K. Johnson;Justin W Bundy;N. N. Ferdinand

  • Inheritance of Teat Number and its Relationship to Maternal Traits in Swine

    R. A. Pumfrey;R. K. Johnson;P. J. Cunningham;Dwane R. Zimmerman

  • Identifying putative candidate genes and pathways involved in immune responses to porcine reproductive and respiratory syndrome virus (PRRSV) infection.

    M. Wysocki;H. Chen;J. P. Steibel;D. Kuhar

  • Responses to 19 generations of litter size selection in the Nebraska Index line. I. Reproductive responses estimated in pure line and crossbred litters

    D. B. Petry;Rodger K. Johnson

  • Generation and sequence characterization of a normalized cDNA library from swine ovarian follicles

    Alexandre R. Caetano;Rodger K. Johnson;Daniel Pomp

Frequent Co-Authors

Austin Lewis
Austin Lewis University of Nebraska–Lincoln
Daniel Pomp
Daniel Pomp University of North Carolina at Chapel Hill
O. W. Robison
O. W. Robison North Carolina State University
Michael D. Tokach
Michael D. Tokach Kansas State University
R.K. Miller
R.K. Miller Texas A&M University
E. R. Peo
E. R. Peo University of Nebraska–Lincoln
L.D. Van Vleck
L.D. Van Vleck United States Department of Agriculture
Max F. Rothschild
Max F. Rothschild Iowa State University
Chris R. Calkins
Chris R. Calkins University of Nebraska–Lincoln
Luis T. Gama
Luis T. Gama University of Lisbon

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Related Online Degrees & Career Pathways

For those interested in expanding their expertise beyond traditional Animal Science and Veterinary studies, several related online degrees offer valuable career pathways. For example, students passionate about physical health and rehabilitation may explore online exercise science degrees. These programs provide essential knowledge on human and animal biomechanics, which can complement veterinary expertise.

Behavioral analysis is another promising field. Pursuing top programs in applied behavior analysis can lead to becoming a Board Certified Behavior Analyst (BCBA). You can find a selection of the best schools for BCBA offering flexible online certification courses that fit varied schedules.

Understanding psychological foundations is often key to working effectively with animals and their owners. Programs approved by the National Association of School Psychologists (NASP) are available in an online format, helping students earn credentials in mental health and education through nasp approved online school psychology programs.

For advanced clinical psychology learners interested in doctoral degrees, exploring apa accredited psyd programs online could provide a pathway without the barrier of GRE requirements. This flexibility allows students to focus on specialized fields that may overlap with veterinary behavioral medicine or animal-human interaction studies.

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