Stephen D. Kachman
Professor and Interim Chair, Department of Statistics
354B Hardin Center
University of Nebraska
Lincoln, NE 68583-0963

Areas of Expertise
Breeding and Genetics: Statistical genomics involves the integration of both statistics and genetics. As such, students will be expected to understand both biology and the statistics. As with many areas of science, teams which bring together people with different areas of expertise are the norm.

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2011

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Corn Seed Spacing Uniformity as Affected by Seed Tube Condition, Michael F. Kocher, John M. Coleman, John A. Smith, and Stephen D. Kachman

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Integration of DNA Marker Information into Breeding Value Predictions, Matthew L. Spangler, Stephen D. Kachman, Kathryn J. Hanford, Mark Thallman, Gary Bennett, Warren Snelling, Larry Kuehn, and John Pollak

2010

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Individuality in gut microbiota composition is a complex polygenic trait shaped by multiple environmental and host genetic factors, Andrew K. Benson, Scott A. Kelly, Ryan Legge, Fangrui Ma, Soo Jen Low, Jaehyoung Kim, Min Zhang, Phaik Lyn Oh, Derrick Nehrenberg, Kunjie Hua, Stephen D. Kachman, Etsuko N. Moriyama, Jens Walter, Daniel A. Peterson, and Daniel Pomp

2009

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Effects of Social Interactions on Empirical Responses to Selection for Average Daily Gain of Boars, C. Y. Chen, Rodger K. Johnson, S. Newman, Stephen D. Kachman, and L. Dale Van Vleck

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Transcriptional Profiling of the Sperm Storage Organs of Drosophila melanogaster, Adrianne M. Prokupek, Stephen D. Kachman, Istvan Ladunga, and Lawrence G. Harshman

2008

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Estimation of genetic parameters for average daily gain using models with competition effects, C. Y. Chen, Stephen D. Kachman, Rodger K. Johnson, S. Newman, and L. Dale Van Vleck

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Comparison of the Contributions of Heat-Labile Enterotoxin and Heat-Stable Enterotoxin b to the Virulence of Enterotoxigenic Escherichia coli in F4ac Receptor-Positive Young Pigs, Joseph Erume, Emil M. Berberov, Stephen D. Kachman, Michael A. Scott, You Zhou, David H. Francis, and Rodney A. Moxley

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Decomposition of Bt and Non-Bt Corn Hybrid Residues in the Field, David D. Tarkalson, Stephen D. Kachman, Johannes M. N. Knops, Janice E. Thies, and Charles S. Wortmann

2007

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Estimates of genetic parameters for Holstein cows for test-day yield traits with a random regression cubic spline model, B.J. DeGroot, Jeffrey F. Keown, L. Dale Van Vleck, and Stephen D. Kachman

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Technical Note: Calculation of standard errors of estimates of genetic parameters with the multiple-trait derivative-free restricted maximal likelihood programs, Stephen D. Kachman and L. Dale Van Vleck

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Variation in Herbivore-Mediated Indirect Effects of an Invasive Plant on a Native Plant, F. Leland Russell, Svata M. Louda, Tatyana A. Rand, and Stephen D. Kachman

2006

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Effects of Supplementing Beef Cows with Lipid from Whole Corn Germ, Jeremy Martin, Richard J. Rasby, Dennis R. Brink, Ron Lindquist, Duane Keisler, Stephen D. Kachman, and Mark Dragastin

2005

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Genetic parameters for stayability, stayability at calving, and stayability at weaning to specified ages for Hereford cows, G. E. Martinez, R. M. Koch, L. V. Cundiff, K. E. Gregory, Stephen D. Kachman, and L. Dale Van Vleck

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Evaluation of Autoregressive Covariance Structures for Test-Day Records of Holstein Cows: Estimates of Parameters, R. M. Sawalha, Jeffrey F. Keown, Stephen D. Kachman, and L. Dale Van Vleck

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Genetic Evaluation of Dairy Cattle with Test-Day Models with Autoregressive Covariance Structures and with a 305-d Model, R. M. Sawalha, Jeffrey F. Keown, Stephen D. Kachman, and L. Dale Van Vleck

2004

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Relative Importance of Heat-Labile Enterotoxin in the Causation of Severe Diarrheal Disease in the Gnotobiotic Piglet Model by a Strain of Enterotoxigenic Escherichia coli That Produces Multiple Enterotoxins, Emil M. Berberov, You Zhou, David H. Francis, Michael A. Scott, Stephen D. Kachman, and Rodney A. Moxley

2003

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Genome Diversification in Phylogenetic Lineages I and II of Listeria monocytogenes: Identification of Segments Unique to Lineage II Populations, Chaomei Zhang, Min Zhang, Jingliang Ju, Joseph Nietfeldt, John Wise, Phillip M. Terry, Michael Olson, Stephen D. Kachman, Martin Wiedmann, Mansour Samadpour, and Andrew K. Benson

2002

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SWINE RESPONSE TO MISTING SYNCHRONIZED WITH MEAL EVENTS, Roger A. Eigenberg, John A. Nienaber, G. LeRoy Hahn, and Stephen D. Kachman

2001

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Thermoregulatory profile of a newer genetic line of pigs, T. M. Brown-Brandl, R. A. Eigenberg, John A. Nienaber, and Stephen D. Kachman

2000

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LABORATORY AND FIELD TESTING OF SEED SPACING UNIFORMITY FOR SUGARBEET PLANTERS, Jonathan W. Panning, Michael F. Kocher, John A. Smith, and Stephen D. Kachman

1998

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Parameter Estimates for Direct, Maternal, and Grandmaternal Genetic Effects for Birth Weight and Weaning Weight in Hereford Cattle, J. Dodenhoff, L. Dale Van Vleck, Stephen D. Kachman, and R. M. Koch

1995

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Heterogeneity of Variance by Sire Breed, Sex, and Dam Breed in 200- and 365-Day Weights of Beef Cattle from a Top Cross Experiment, F. A. Rodriguez-Almeida, L. Dale Van Vleck, Larry V. Cundiff, and Stephen D. Kachman