2013 - Morrison Award, American Society of Animal Science
His scientific interests lie mostly in Animal science, Control line, Ovulation, Litter and Genetics. The various areas that he examines in his Animal science study include Veterinary medicine, Lactation, Gestation and Reproduction. His Ovulation study often links to related topics such as Candidate gene.
His Litter study incorporates themes from Herd, Inbreeding and Heritability. In general Genetics study, his work on Quantitative trait locus, Candidate Gene Analysis, Allele frequency and Genotype often relates to the realm of Retinol binding protein 4, thereby connecting several areas of interest. His studies in Andrology integrate themes in fields like Body weight and Variance components.
His primary areas of investigation include Animal science, Litter, Ovulation, Genetics and Internal medicine. His study in the fields of Herd under the domain of Animal science overlaps with other disciplines such as Disease control. His Litter research incorporates themes from Birth weight, Weaning, Reproduction, Inbreeding and Heritability.
The study incorporates disciplines such as Genetic correlation and Restricted maximum likelihood in addition to Heritability. Rodger K. Johnson connects Ovulation with Control line in his research. His Internal medicine study typically links adjacent topics like Endocrinology.
His primary scientific interests are in Genetics, Animal science, Litter, Genetic variation and Single-nucleotide polymorphism. His study in the field of Weaning is also linked to topics like Economic analysis. His work on Litter is being expanded to include thematically relevant topics such as Heritability.
His work carried out in the field of Genetic variation brings together such families of science as Antibody, Genetic predisposition and Haplotype. Rodger K. Johnson has included themes like Selective sweep, Viral load, Allele frequency, Quantitative trait locus and Andrology in his Single-nucleotide polymorphism study. Rodger K. Johnson combines subjects such as Ovulation, Mean age, Period and Feeding Regimen with his study of Reproduction.
Litter, Animal science, Weaning, Genetic variation and Single-nucleotide polymorphism are his primary areas of study. In his study, Rodger K. Johnson carries out multidisciplinary Litter and Fat loss research. His work deals with themes such as Internal medicine, Mean age, Period, Reproduction and Genotype, which intersect with Animal science.
To a larger extent, Rodger K. Johnson studies Endocrinology with the aim of understanding Weaning. His Genetic variation research is multidisciplinary, incorporating perspectives in Longevity, Linkage disequilibrium, Allele and Heritability.
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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.
Journal of Animal Science (1999)
CANDIDATE GENE ANALYSIS FOR LOCI AFFECTING LITTER SIZE AND OVULATION RATE IN SWINE
R. C. Linville;Daniel Pomp;R. K. Johnson;Max F. Rothschild.
Journal of Animal Science (2001)
Identification of quantitative trait loci affecting reproduction in pigs.
J. P. Cassady;R. K. Johnson;D. Pomp;G. A. Rohrer.
Journal of Animal Science (2001)
Evidence for quantitative trait loci affecting ovulation rate in pigs.
Thomas A. Rathje;G. A. Rohrer;R. K. Johnson.
Journal of Animal Science (1997)
Selection for components of reproduction in swine
Rodger K Johnson;Dwane R Zimmerman;Roger J Kittok.
Livestock Production Science (1984)
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.
Journal of Animal Science (1991)
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.
Journal of Animal Science (1993)
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.
Journal of Animal Science (2007)
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.
Journal of Animal Science (2005)
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.
Journal of Animal Science (2004)
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