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D-Index & Metrics

Animal Science and Veterinary

D-Index
35
Citations
4356
World Ranking
1749
National Ranking
502

Overview

Kreg A. Leymaster is affiliated with the Agricultural Research Service in the United States. Their research primarily spans the fields of Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Medicine. This interdisciplinary focus reflects the integration of molecular and applied approaches to livestock biology and reproductive health.

The main topics Kreg A. Leymaster has worked on include:

  • Reproductive Physiology in Livestock
  • Genetic and phenotypic traits in livestock
  • Reproductive Biology and Fertility

This research attention is further reflected in Leymaster's recent publication record. One notable paper is titled "Uterine function in Meishan pigs," published in 2020 in the journal Bioscientifica Proceedings. This work addresses important aspects of reproductive biology within animal agriculture and has contributed to ongoing studies on livestock fertility and genetic influences on reproductive traits. The paper has received citations indicating its relevance to the field.

Frequent collaborators in their research include:

  • R. K. Christenson
  • J. L. Vallet
  • L. D. Young

The publication venues for Leymaster's work are limited but focused, with Bioscientifica Proceedings being a central platform for disseminating their research outcomes. This specialization suggests targeted contributions to the scientific community engaged in reproductive physiology and genetics.

Leymaster's subfields of study reflect the blend of applied agriculture and molecular science:

  • Agronomy and Crop Science
  • Genetics
  • Public Health, Environmental and Occupational Health

Through their academic output, Kreg A. Leymaster maintains a focus on livestock biology, particularly examining the physiological and genetic components that influence fertility and reproductive success. This work supports broader agricultural sciences and animal husbandry objectives by informing breeding and management practices.

Best Publications

  • Identification of the Single Base Change Causing the Callipyge Muscle Hypertrophy Phenotype, the Only Known Example of Polar Overdominance in Mammals

    Brad A. Freking;Susan K. Murphy;Andrew A. Wylie;Simon J. Rhodes

  • A second-generation linkage map of the sheep genome.

    Maurico J. de Gortari;Brad A. Freking;Rachel P. Cuthbertson;Steven M. Kappes

  • Justification of unilateral hysterectomy-ovariectomy as a model to evaluate uterine capacity in swine.

    R. K. Christenson;K. A. Leymaster;L. D. Young

  • Integration of ovulation rate, potential embryonic viability and uterine capacity into a model of litter size in swine.

    G L Bennett;K A Leymaster

  • Effects of breed, heterosis, age of dam, litter size, and birth weight on lamb mortality.

    L T Gama;G E Dickerson;G E Dickerson;L D Young;L D Young;K A Leymaster;K A Leymaster

  • Prion gene sequence variation within diverse groups of U.S. sheep, beef cattle, and deer

    Michael P Heaton;Kreg A Leymaster;Brad A Freking;Deedra A Hawk

  • Estimates of genetic parameters for feed intake, feeding behavior, and daily gain in composite ram lambs

    K. M. Cammack;Kreg A. Leymaster;T. G. Jenkins;Merlyn K. Nielsen

  • SNPs for Parentage Testing and Traceability in Globally Diverse Breeds of Sheep

    Michael P. Heaton;Kreg A. Leymaster;Theodore S. Kalbfleisch;James W. Kijas

  • Reduced Lentivirus Susceptibility in Sheep with TMEM154 Mutations

    Michael P. Heaton;Michael L. Clawson;Carol G. Chitko-Mckown;Kreg A. Leymaster

  • Evaluation of the ovine callipyge locus: I. Relative chromosomal position and gene action.

    B. A. Freking;J. W. Keele;C. W. Beattie;S. M. Kappes

  • Comparison of Texel- and Suffolk-sired crossbred lambs for survival, growth, and compositional traits

    K. A. Leymaster;T. G. Jenkins

  • Evaluation of the ovine callipyge locus: II. Genotypic effects on growth, slaughter, and carcass traits.

    B. A. Freking;J. W. Keele;Merlyn K. Nielsen;Kreg A. Leymaster

  • Genetic parameters for growth traits for a composite terminal sire breed of sheep.

    E Mousa;L D Van Vleck;K A Leymaster

  • Extensive genomic conservation of cattle microsatellite heterozygosity in sheep

    M J de Gortari;B A Freking;S M Kappes;K A Leymaster

  • Number of fetuses and conceptus growth throughout gestation in lines of pigs selected for ovulation rate or uterine capacity.

    B. A. Freking;K. A. Leymaster;J. L. Vallet;R. K. Christenson

  • Heterosis and recombination effects on pig growth and carcass traits

    J. P. Cassady;L. D. Young;K. A. Leymaster

  • Survival analysis of lamb mortality in a terminal sire composite population.

    B. R. Southey;S. L. Rodriguez-Zas;K. A. Leymaster

  • Heterosis and recombination effects on pig reproductive traits

    J. P. Cassady;L. D. Young;K. A. Leymaster

  • Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: IV. Survival, growth, and carcass traits of F1 lambs.

    B. A. Freking;K. A. Leymaster

  • Discrete time survival analysis of lamb mortality in a terminal sire composite population.

    B. R. Southey;S. L. Rodriguez-Zas;K. A. Leymaster

Frequent Co-Authors

Timothy P. L. Smith
Timothy P. L. Smith Agricultural Research Service
John W. Keele
John W. Keele Agricultural Research Service
Gary L. Bennett
Gary L. Bennett Agricultural Research Service
Merlyn K. Nielsen
Merlyn K. Nielsen University of Nebraska–Lincoln
Gordon E. Dickerson
Gordon E. Dickerson United States Department of Agriculture
Larry A. Kuehn
Larry A. Kuehn Agricultural Research Service
Luis T. Gama
Luis T. Gama University of Lisbon
Sandra L. Rodriguez-Zas
Sandra L. Rodriguez-Zas University of Illinois at Urbana-Champaign
Steven D. Shackelford
Steven D. Shackelford Agricultural Research Service
R. M. Thallman
R. M. Thallman US Department of Agriculture

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