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Editors
Editor-in-Chief: Editor Name, Editor Institution
Editors: Editor Name, Editor Institution
Editor Name, Editor Institution

Kansas Agricultural Experiment Station faculty members conduct research in nearly all areas of agricultural production. This online collection of research reports publishes preliminary results of research conducted at centers around the state in beef and dairy cattle, swine, meat science, plant pathology, sorghum and wheat breeding, cropping systems, irrigation engineering, cover crops, weed science, entomology, range management, turfgrass, and other areas. Research is supported by federal and state funds, grants, and Kansas State University.

Recent Content

Research Reports

Agricultural Research Center-Hays

Beef Cattle

Beef Cattle Management

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Differences in Rumination and Animal Activity Can Be Quantified by Utilizing New Technologies
M. A. Scilacci, A. J. Tarpoff, E. C. Titgemeyer, T. G. O'Quinn, T. Jennings, C. I. Vahl, D. U. Thomson, W. R. Hollenbeck, and D. A. Blasi

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Subsequent Carcass Merit of Feedlot Cattle May Be Improved by Limit Feeding a High-Energy Diet During the Backgrounding Phase
M. A. Scilacci, M. A. Johnson, C. E. Hissong, S. P. Montgomery, T. G. O'Quinn, A. J. Tarpoff, E. C. Titgemeyer, K. Montgomery, G. T. Tonsor, C. I. Vahl, D. U. Thomson, W. R. Hollenbeck, and D. A. Blasi

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Limit-Fed, High-Energy Diets Can Achieve Improved Feed Conversion Rates Without Compromising Rate of Gain When Compared to Conventional High Roughage Diets
M. A. Scilacci, M. A. Johnson, C. E. Hissong, S. P. Montgomery, A. J. Tarpoff, E. C. Titgemeyer, L. Allen, T. G. O'Quinn, G. T. Tonsor, C. I. Vahl, D. U. Thomson, W. R. Hollenbeck, and D. A. Blasi

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Relationships Among Maternal Traits and Sale Prices of Red Angus Bulls Sold at Auction From 2017 Through 2019
M. J. Smith, K. E. Fike, M. E. King, E. D. McCabe, G. M. Rogers, and K. G. Odde

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Relationships Among Terminal Traits and Sale Prices of Red Angus Bulls Sold at Auction From 2017 Through 2019
M. J. Smith, K. E. Fike, M. E. King, E. D. McCabe, G. M. Rogers, and K. G. Odde

Beef Cattle Reproduction

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The Effect of Method of Collection and Number of Sequential Ejaculates on Semen Characteristics of Beef Bulls
A. R. Hartman, M. L. Butler, S. K. Tucker, N. M. Goodenow, J. M. Bormann, and D. M. Grieger

Beef Cattle Nutrition

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Effects of Choline on Neutrophil Function and Inflammation in Growing Cattle with Modulated Methyl Group Status
M. S. Grant, H. D. Aufdemberge, B. J. Bradford, L. K. Mamedova, and E. C. Titgemeyer

Breeding Herd Nutrition and Management

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Effects of the Age of Newborn Pigs Receiving an Iron Injection on Suckling and Subsequent Nursery Performance and Blood Criteria
H. Williams, C. D. Roubicek, J. M. DeRouchey, J. C. Woodworth, S. S. Dritz, M. D. Tokach, R. D. Goodband, and A. Holtcamp

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Effects of Fe Dosage in Newborn Pigs on Preweaning and Subsequent Nursery Performance
H. Williams, J. C. Woodworth, J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, and A. Holtcamp

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Effects of a Bacillus-Based Probiotic on Sow Performance and on Progeny Growth Performance, Fecal Consistency, and Fecal Microflora
M. B. Menegat, K. M. Gourley, M. B. Braun, J. M. DeRouchey, J. C. Woodworth, J. Bryte, M. D. Tokach, S. S. Dritz, and R. D. Goodband

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Effect of Lysine-Fermentation By-Product on Urine pH and Total Urine Bacteria Count in Lactating Sows
K. M. Gourley, J. M. DeRouchey, J. C. Woodworth, M. D. Tokach, S. S. Dritz, R. D. Goodband, and K. J. Touchette

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The Effects of Maternal Dietary Supplementation of Cholecalciferol (Vitamin D3) and 25(OH)D3 on Sow and Progeny Performance
M. T. Thayer, J. L. Nelssen, A. J. Langemeier, J. Morton, J. M. Gonzales, S. R. Kruger, Z. Ou, A. J. Makowski, and J. R. Bergstrom

Canola

Cattle Nutrition

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Effects of Guanidinoacetic Acid on Lean Growth and Methionine Flux in Cattle
M. Ardalan, M. D. Miesner, C. D. Reinhardt, D. U. Thomson, C. K. Armendariz, and E. C. Titgemeyer

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Smartamine M Supplementation Reduces Inflammation but Does Not Affect Performance in Receiving Beef Heifers
M. S. Grant, H. F. Speer, W. R. Hollenbeck, R. N. Wahl, N. D. Luchini, D. A. Blasi, and E. C. Titgemeyer

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Syngenta Enogen Feed Corn Containing an Alpha Amylase Expression Trait Improves Digestibility in Growing Calf Diets
M. A. Johnson, T. J. Spore, S. P. Montgomery, C. S. Kubick, J. S. Garzón, W. R. Hollenbeck, R. N. Wahl, C. I. Vahl, E. D. Watson, and D. A. Blasi

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Syngenta Enogen Feed Corn Silage Containing an Alpha Amylase Expression Trait Improves Feed Efficiency in Growing Calf Diets
M. A. Johnson, T. Spore, S. P. Montgomery, W. R. Hollenbeck, R. N. Wahl, E. D. Watson, and D. A. Blasi

Corn

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Tiller Contributions to Low-Density Corn Biomass and Yield
R. Veenstra, C. Messina, L. Haag, P. V. Vara Prasad, and I. A. Ciampitti

Cropping and Tillage Systems

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Estimating Annual Forage Yields with Plant Available Water and Growing Season Precipitation
J. Holman, A. Obour, A. Schlegel, T. Roberts, and S. Maxwell

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Evaluation of Planting Technologies in Winter Canola
M. A. Secchi, Y. Wright, C. Foster, M. J. Stamm, and I. A. Ciampitti

Cropping Systems Research

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Using Cover Crops to Suppress Weeds and Improve Soil Health
J. A. Dille, L. I. Chism, and G. F. Sassenrath

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Crop Production 2020 – Corn, Sorghum, Soybean, and Sunflower Variety Testing
G. F. Sassenrath, L. Mengarelli, J. Lingenfelser, and X. Lin

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Impact of Fungicide on Wheat
G. F. Sassenrath, H. Zhao, and X. Lin

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Southeast Kansas Wheat Variety Test Results - 2020
G. F. Sassenrath, L. Mengarelli, J. Lingenfelser, and X. Lin

Dairy Cattle: Dairy Foods

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Development of a High Protein Dairy Snack Based on German-Style Quark Cheese
Y. Ou, K. S. Babu, P. Thorakkattu, K. Getty, and J. Amamcharla

Dairy Cattle: Economics

Dairy Cattle: Foreword

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Foreword
B. Bradford

Dairy Cattle: Milk Processing

Dairy Cattle: Nutrition and Feeding

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Effects of Pre-Cutting Round Alfalfa Hay Bales on Forage Quality and Processing Time
W. E. Brown, E. Harms, J Heimsoth, J. McGinnis, C. I. Vahl, B. J. Bradford, and M. J. Brouk

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Combined Risk Factors and Digestive Disorders in Mid-Lactation Holstein Cows: A Case Study
S. T. Quanz, L. K. Mamedova, M. J. Brouk, P. Gott, and B. J. Bradford

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Identifying a Milk-Replacer and Weaning Strategy for Holstein Calves Using Automated Behavioral Measures of Lying and Environmental Enrichment Device Use
E. M. Bortoluzzi, T. M. Hill, L. L. Deikun, L. A. Ruiz, M. J. Goering, T. S. Dennis, F. X. Suarez-Mena, J. D. Quigley, R. L. Schlotterbeck, M. V. Alonso, R. Mazloom, M. Jaberi-Douraki, and L. E. Hulbert

Dairy Cattle: Physiology and Management

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Resynchronizing Returns to Estrus after a Prior Insemination
J. S. Stevenson and J. A. Sauls-Hiesterman

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Deliberate Exercise of Pregnant Holstein Heifers Improves Milk Composition During Lactation
J. Johnson, P. Steichen, B. J. Bradford, A. E. Rhodes, and T. G. Rozell

Dairy Cattle: Supplemental Content

Department of Agronomy

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Biochar and Nitrogen Effects on Winter Wheat Growth
T. E. Zee, N. O. Nelson, and G. Newdigger

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Impact of Cover Crops and Phosphorus Fertilizer Management on Nutrient Cycling in No-Tillage Corn-Soybean Rotation
R. E. Carver, N. O. Nelson, D. S. Abel, K. Roozeboom, G. J. Kluitenberg, P. J. Tomlinson, and J. R. Williams

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Response of Drought-Tolerant Hybrids to Environmental Yield Potential
T. Newell, K. Roozeboom, I. A. Ciampitti, Eric Adee, G. Cramer, J. D. Holman, and A. Schlegel

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Soybean: Evaluation of Inoculation
I. A. Ciampitti, Eric Adee, J. Kimball, and G. I. Carmona

East Central Kansas Experiment Field

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Corn Yield Response to Plant Populations
D. E. Shoup, Eric Adee, and I. A. Ciampitti

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Balanced Nutrition and Crop Production Practices for Closing Sorghum Yield Gaps
B. McHenry, Eric Adee, J. Kimball, P. V. Vara Prasad, and I. A. Ciampitti

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Corn Yield Response to Plant Populations
D. E. Shoup, E. A. Adee, and I. A. Ciampitti

East Central Kansas Experiment Field

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Corn Yield Response to Plant Populations
D. E. Shoup, Eric Adee, and I. A. Ciampitti

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Balanced Nutrition and Crop Production Practices for Closing Sorghum Yield Gaps
B. McHenry, Eric Adee, J. Kimball, P. V. Vara Prasad, and I. A. Ciampitti

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Corn Yield Response to Plant Populations
D. E. Shoup, E. A. Adee, and I. A. Ciampitti

Feed Processing in the Swine Industry

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The Effect of Pellet Mill Production Rate and Knife Distance on Pellet Quality
C. E. Evans, R. J. Beeman, M. Saensukjaroenphon, C. B. Paulk, and C. R. Stark

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Effects of Conditioning Temperature on Pellet Quality of Nursery Pig Diets
G. E. Nichols, C. R. Stark, A. M. Ogles, K. M. Dunmire, and C. B. Paulk

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The Effects of Filter Type and Warm-Up Time on Pellet Durability Index Using the Holmen NHP100 Portable Pellet Tester
C. E. Evans, R. N. Kort, M. Saensukjaroenphon, H. K. Wecker, C. B. Paulk, and C. R. Stark

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Evaluating Soybean Meal Quality Using Near-Infrared Reflectance Spectroscopy
K. M. Dunmire, J. Dhakal, K. Stringfellow, C. R. Stark, and C. B. Paulk

Finishing Pig Nutrition and Management

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Evaluation of a Commercial Model for Predicting Growth Performance of Pigs with Varying Diet Composition and Stocking Density
M. B. Menegat, F. Wu, J. C. Woodworth, M. D. Tokach, J. M. DeRouchey, S. S. Dritz, and R. D. Goodband

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Economic Model for Optimum Standardized Total Tract Digestible Phosphorus for Finishing Pigs
C. M. Vier, S. S. Dritz, M. D. Tokach, U. A. Orlando, W. Cast, J. C. Woodworth, R. D. Goodband, and J. M. DeRouchey

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Effect of Die Retention Time on Pellet Quality and Phytase Stability of a Corn-Soybean Meal Swine Diet
M. Saensukjaroenphon, C. E. Evans, C. K. Jones, C. H. Fahrenholz, C. B. Paulk, and C. R. Stark

Forage Crops

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Impact of Fertility and Mowing on Crabgrass Quantity and Quality for Hay Production in Southeast Kansas
D. Helwig, M. Haywood, J. K. Farney, B. C. Pedreira, and G. F. Sassenrath

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Bermudagrass Fertility Trial in Southeast Kansas, 2020
D. Helwig, M. Haywood, J. K. Farney, B. C. Pedreira, and G. F. Sassenrath

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Evaluation of Warm Season Annual Forages for Livestock: Biomass and Cost of Production
J. K. Farney, M. E. Reeb, Z. T. Buessing, K. Malone, and G. F. Sassenrath

Grain Sorghum

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Dryland Sorghum Nitrogen Management: Implications for Utilization as Ethanol Feedstock
K. A. Gehl, L. Haag, J. Warren, S. Sharma, and P. J. Tomlinson

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Physiological Changes Across Historical Sorghum Hybrids Released During the Last Six Decades
P. A. Demarco, L. Mayor, S. Tamagno, J. A. Fernandez, P. V. Vara Prasad, J. L. Rotundo, C. D. Messina, and I. A. Ciampitti

Irrigation

Kansas River Valley Experiment Field

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Grain Sorghum Response to Water Supply and Environment
J. Broeckelman, G. J. Kluitenberg, K. Roozeboom, G. Cramer, Eric Adee, A. Schlegel, J. D. Holman, and I. A. Ciampitti

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Sudden Death Syndrome and Soybean Planting Date
Eric Adee, C. R. Little, and I. A. Ciampitti

Management Practices

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Soil Microbial Seasonal Community Dynamics in Response to Cover Crop and Phosphorus Fertilizer Usage in a No-Till Corn-Soybean System in 2018
C. L. Stewart, L. M. Starr, N. O. Nelson, K. L. Roozeboom, G. J. Kluitenberg, D. R. Presley, and P. J. Tomlinson

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Water Use and Productivity of Teff, a Dairy Quality Forage Crop
J. M. Davidson, R. M. Aiken, D. H. Min, and G. J. Kluitenberg

Meat Science

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Comparison of the Physical Attributes of Plant-Based Ground Beef Alternatives to Ground Beef
K. M. Harr, S. G. Davis, S. B. Bigger, D. U. Thomson, M. D. Chao, J. L. Vipham, M. D. Apley, S. M. Ensley, M. D. Haub, M. D. Miesner, A. J. Tarpoff, K C. Olson, and T. G. O'Quinn

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Consumer Sensory Evaluation of Plant-Based Ground Beef Alternatives in Comparison to Ground Beef of Various Fat Percentages
S. G. Davis, K. M. Harr, S. B. Bigger, D. U. Thomson, M. D. Chao, J. L. Vipham, M. D. Apley, D. A. Blasi, S. M. Ensley, M. D. Haub, M. D. Miesner, A. J. Tarpoff, K C. Olson, and T. G. O'Quinn

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A Preliminary Investigation of the Contribution of Different Tenderness Factors to Beef Loin, Tri-tip, and Heel Tenderness
C. K. Chun, W. Wu, A. A. Welter, T. G. O'Quinn, G. Magnin-Bissel, D. L. Boyle, and M. D. Chao

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Investigating the Contribution of Mature Collagen Crosslinks to Cooked Meat Toughness Using a Stewed Beef Shank Model
W. Wu, A. A. Welter, C. K. Chun, T. G. O'Quinn, G. Magnin-Bissel, and M. D. Chao

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Sensory Evaluation from Asian Consumers of Six Different Beef Shank Cuts
W. Wu, E. A. Rice, B. A. Olson, T. G. O'Quinn, T. A. Houser, E. A. Boyle, and M. D. Chao

North Central Kansas Experiment Field

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Grain Sorghum Yield Response to Water Availability
J. P. Broeckelman, G. J. Kluitenberg, K. Roozeboom, and I. A. Ciampitti

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Late-Season Nitrogen Fertilizer Application in Soybean
G. R. Balboa, D. R. Hodgins, and I. A. Ciampitti

Nursery Pig Nutrition and Management

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Determining the Effects of Tryptophan Biomass on Growth Performance of 25- to 50-lb Nursery Pigs
M. R. Wensley, J. C. Woodworth, J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, and K. D. Haydon

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Effects of Soybean Meal Level on Growth Performance of 25- to 50-lb Nursery Pigs
H. S. Cemin, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. DeRouchey, and R. D. Goodband

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Effect of Viligen™, Feed Form, and Storage Time on Fumonisin Concentrations in Corn
Z. X. Rao, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. DeRouchey, R. D. Goodband, and H. Calderon Cartagena

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Efficacy of Commercial Products on Growth Performance of Nursery Pigs Fed Diets with Fumonisin-Contaminated Corn
Z. X. Rao, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. DeRouchey, R. D. Goodband, and H. Calderon Cartagena

Soil and Water Management

Soil Fertility

Southeast Agricultural Research Center

Southeast Research and Extension Center: Soil and Water Management

Southwest Research-Extension Center

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Interaction of Seeding and Nitrogen Rate on Grain Sorghum Yield in Southwest Kansas
A. J. Foster, A. Schlegel, J. D. Holman, I. A. Ciampitti, C. Thompson, and D. Ruiz Diaz

Soybean

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Nitrogen and Sulfur Fertilization in Soybean: Impact on Seed Yield and Quality
L. H. Moro Rosso, W. D. Carciochi, S. L. Naeve, P. Kovács, S. N. Casteel, and I. A. Ciampitti

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Planting Date and Maturity Group Interaction for Soybean Productivity and Seed Quality in East Central Kansas
L. P. Pott, L. H. Moro Rosso, W. D. Carciochi, J. Kimball, E. A. Adee, and I. A. Ciampitti

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Inoculation Timing Effect on Biological Nitrogen Fixation and Soybean Productivity
M. A. Secchi, A. R. Torres, L. H. Moro Rosso, and I. A. Ciampitti

Sow Nutrition and Management

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Effects of Weaning Age and Antibiotic Use on Pig Performance in a Commercial System
J. E. Faccin, M. W. Allerson, J. C. Woodworth, J. M. DeRouchey, M. D. Tokach, S. S. Dritz, and R. D. Goodband

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Effects of High Phytase Supplementation in Lactation Diets on Sow and Litter Performance
K. L. Batson, H. Calderon Cartagena, R. D. Goodband, J. C. Woodworth, M. D. Tokach, S. S. Dritz, and J. M. DeRouchey

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Effects of Oceanfeed Swine Feed Additive on Performance of Sows and Their Offspring
L. Del Tuffo, F. Laskoski, C. M. Vier, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. DeRouchey, R. D. Goodband, L. A. Constance, M. Niederwerder, and E. Arkfeldt

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Effects of Soybean Meal Concentration in Lactating Sow Diets on Sow and Litter Performance
K. M. Gourley, J. C. Woodworth, J. M. DeRouchey, M. D. Tokach, S. S. Dritz, and R. D. Goodband

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Effect of Feeding Duration of Increased Lysine and Energy Prior to Farrowing on Sow Performance and Colostrum Quality
K. M. Gourley, A. J. Swanson, J. C. Woodworth, J. M. DeRouchey, M. D. Tokach, S. S. Dritz, and R. D. Goodband

Sunflower

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Irrigated Sunflowers in Northwest Kansas: Productivity and Canopy Formation
F. Lamm, R. M. Aiken, A. A. AbouKheira, and G. J. Seiler

Swine Health and Disease Management

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Effects of Medium Chain Fatty Acid Application in Swine Feed on Porcine Epidemic Diarrhea Virus
A. B. Lerner, R. A. Cochrane, J. T. Gebhardt, S. S. Dritz, C. K. Jones, J. M. DeRouchey, M. D. Tokach, R. D. Goodband, J. Bai, E. Porter, J. Anderson, P. C. Gauger, D. R. Magstadt, J. Zhang, B. Bass, T. P. Karnezos, B. de Rodas, and J. C. Woodworth

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Genome Diversity and Molecular Detection of PRRS Field Strains and Vaccine Strains, and PCV3 and PCV2 Strains
Y. Wang, F. Yuan, X. Liu, W. Zheng, H. Zhang, J. Zhang, K. Yoon, L. Peddireddi, Y. Fang, G. Anderson, and J. Bai

Section 1. Swine Nutrition Research

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Practical Application of Sample Size Determination Models for Assessment of Mortality Outcomes in Swine Field Trials
J. T. Gebhardt, M. D. Tokach, S. S. Dritz, N. Cernicchiaro, A. L. Dixon, D. G. Renter, J. C. Woodworth, J. M. DeRouchey, and R. D. Goodband

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Evaluation of Compensatory Growth of 200 lb Finishing Pigs Previously Fed a Low Lysine Diet
Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. DeRouchey, and Robert D. Goodband

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Evaluation of Nutritional Strategies to Reduce Growth Rate of Pigs Beyond 200 lb Body Weight
Z. X. Rao, J. T. Gebhardt, M. D. Tokach, J. C. Woodworth, J. M. DeRouchey, and R. D. Goodband

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Effects of Standardized Ileal Digestible Tryptophan:Lysine Ratio on Growth and Carcass Performance of Finishing Pigs Fed Ractopamine HCl
H. E. Williams, M. D. Tokach, S. S. Dritz, J. M. DeRouchey, J. C. Woodworth, R. D. Goodband, and J. A. Soto

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Determining the Effects of Manganese Source and Level in Diets Containing High Levels of Copper on Growth Performance of Growing-Finishing Pigs
H. R. Kerkaert, J. C. Woodworth, J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, and N. E. Manzke

Section 2. Feed Science Research

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Moisture Content Throughout the Pelleting Process and Subsequent Effects on Pellet Quality
H. K. Wecker, R. N. Kort, C. J. Fiehler, A. M. Ogles, J. R. Froetschner, C. R. Stark, and C. B. Paulk

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Evaluation of Conditioning Temperature and Die Specifications on Nursery Pig Performance
M. B. Braun, K. M. Dunmire, C. E. Evans, C. R. Stark, J. C. Woodworth, and C. B. Paulk

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Effect of Dietary Formic Acid and Lignosulfonate on Pellet Quality
G. E. Nichols, C. R. Stark, A. M. Ogles, C. N. Truelock, N. M. Beckman, T. S. Winowiski, and C. B. Paulk

Section 3. Feed Safety Research

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Efficacy of Feed Additives Against Swine Viruses in Feed
G. E. Nichols, J. T. Gebhardt, C. K. Jones, J. C. Woodworth, S. S. Dritz, J. Bai, J. W. Anderson, E. Porter, F. B. Sandberg, A. Singrey, and C. B. Paulk

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Evaluating the Distribution of African Swine Fever Virus Within a Feed Mill Environment Following Manufacture of Inoculated Feed
C. G. Elijah, J. D. Trujillo, C. K. Jones, N. N. Gaudreault, C. R. Stark, K. R. Cool, C. B. Paulk, T. Kwon, J. C. Woodworth, I. Morozov, J. T. Gebhardt, and J. A. Richt

Section 4. Swine Health Research

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Using a CO2 Surgical Laser for Piglet Castration to Reduce Pain and Inflammation, and to Improve Wound Healing
A. V. Viscardi, C. A. Cull, M. D. Kleinhenz, S. Montgomery, A. Curtis, K. Lechtenberg, and J. F. Coetzee

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Feces of Finisher Pigs Have a Low Prevalence of Shiga Toxin-Producing Escherichia coli that are of Public Health Importance
R. G. Amachawadi, X. Shi, J. Bai, M. D. Tokach, J. C. Woodworth, S. S. Dritz, J. M. DeRouchey, R. D. Goodband, and T. G. Nagaraja

Swine Day Endnotes

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Swine Day Report Foreword and Acknowledgments
R. D. Goodband, J. T. Gebhardt, M. D. Tokach, J. M. DeRouchey, and J. C. Woodworth

Weather

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Southeast Kansas Weather Summary - 2020
G. F. Sassenrath, M. Knapp, and X. Lin

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Weather Information for Tribune
H. D. Bond and J. Slattery

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Field Station Weather Reports
M. Knapp and E. A. Adee

Weed Science

Wheat

Full Reports