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Editors

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Editor
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Editor

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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Restricting Bunk Space Allotments to 6 or 10 Inches has Minimal Impact on Growth Performance in Limit-Fed Receiving Cattle
W. Cole Ellis, Zachary M. Duncan, Madeline S. Grant, William R. Hollenbeck, Evan C. Titgemeyer, and Dale A. Blasi

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Comparing the Performance of Cattle Castrated Using Different Techniques Upon Arrival at the Feedlot
Tyler Blackwood, Tyler J. Spore, Michael D. Kleinhenz, William R. Hollenbeck, Dale A. Blasi, and A. J. Tarpoff

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Stocker Steer Gains and Fly Numbers as Impacted by Burn Date and Type of Mineral on Tallgrass Native Range – Year 5
Jaymelynn K. Farney, Kloey Rash, Hailey Gillespie, Emily Black, and Noelle Collins

Beef Cattle Reproduction

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Field Trial Assessing the Use of Sex-Sorted Semen in Beef Cattle
K. W. Aubuchon, J. A. Odde, C. Bronkhorst, E. M. Bortoluzzi, M. J. Goering, K. E. Fike, and K. G. Odde

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Challenges Associated with Semen Quality While Collecting Beef Bulls for Semen Freezing
A. R. Hartman, N. M. Goodenow, S. K. Tucker, K. E. Fike, and D. M. Grieger

Beef Cattle Nutrition

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Effect of Ruminally-Protected Lysine Supplementation to Growing Cattle on Growth and Subsequent Finishing Performance
K. J. Hazlewood, M. S. Grant, D. A. Blasi, G. A. Ducharme, and E. C. Titgemeyer

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Effects of Betaine on Protein Deposition in Growing Cattle with Modulated Methyl Group Status
M. S. Grant, J. M. Marsh, K. J. Hazlewood, M. D. Miesner, and E. C. Titgemeyer

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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

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Source-Sink Manipulation and Its Impacts on Canola Seed Filling Period
D. Ricciuto, M. A. Secchi, A. J. P. Carcedo, L. Nieto, J. Lacasa, M. Stamm, and I. A. Ciampitti

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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Dual Purpose Corn Hybrids’ (Grain-Silage) Performance Assessment in Northeastern Kansas. II. Quality
Felicitas Vignati, Lucas Lingua, W. E. Brown, and Ignacio Antonio Ciampitti

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Dual Purpose Corn Hybrids (Grain-Silage) Performance Assessment in Northeastern Kansas. I. Grain Yield
Felicitas Vignati, Lucas Lingua, W. E. Brown, and Ignacio Antonio Ciampitti

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Evaluating Corn Yield Response to Nitrogen According to Soil Parameters in Midwest American Farmland
Joaquin Enrria, Carlos Hernández, Francisco Palmero, Ana Julia Paula Carcedo, and Ignacio Antonio Ciampitti

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Nitrogen Sensing Across Different Corn Growth Stages Using Soil Plant Analysis Development Meter
Lucas H. Suguiura, Leonardo L. Bosche, Luiz Felipe A. Almeida, and Ignacio A. Ciampitti

Cropping and Tillage Systems

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Cover Crop Biomass Removal Rates to Optimize Livestock Production and Soil Health in No-tillage Dryland Cropping Systems
Logan M. Simon, Augustine K. Obour, Zachariah C. Carson, Frank Weber, Stacie Minson, and Craig Dinkel

Cropping Systems Research

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Role of Soil Management in Control of Soil-Borne Diseases
Gretchen F. Sassenrath, Christopher R. Little, and Xiaomao Lin

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Hard Red and Soft Red Winter Wheat Variety Testing - 2023
Gretchen F. Sassenrath, Jane Lingenfelser, and Xiaomao Lin

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Corn and Soybean Production – 2023 Summary
Gretchen F. Sassenrath, Jane Lingenfelser, and Xiaomao Lin

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Critical Soil Health Parameters to Improve Crop Production
Gretchen F. Sassenrath, Bruno C. Pedreira, and Carlos B. Pires

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 Manufacturing Research

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Effects of Grinding Almond Hulls with a Hammermill on Particle Size and Bulk Density
Zachary M. Duncan, Haley K. Wecker, Zachary L. DeBord, Chad B. Paulk, K. C. Olson, and Dale Blasi

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The Impact of Fines Inclusion Level and Conditioning Temperature on Pellet Quality and Energy Consumption
M. Saensukjaroenphon, Caitlin E. Evans, Charles R. Stark, and Chad B. Paulk

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Evaluating Hammermill Tip Speed, Air Assist, and Screen Hole Diameter on Ground Corn Characteristics
Michaela B. Braun, Kara M. Dunmire, Haley K. Wecker, Chad B. Paulk, Charles R. Stark, Michael W. Sodak, Maks Kapetanovich, Jerry Shepherd, Randy Fisher, and Kyle Coble

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

Feed Safety Research

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Inoculation of Weaned Pigs by Feed, Water, and Airborne Transmission of Salmonella enterica Serotype 4,[5],12:i:-
Olivia L. Harrison, Jordan T. Gebhardt, Chad B. Paulk, Brandon L. Plattner, Jason C. Woodworth, Susan Rensing, Cassandra K. Jones, and Valentina Trinetta

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Evaluating a Dry vs. Wet Disinfection in Boot Baths on Detection of Porcine Epidemic Diarrhea Virus and Porcine Reproductive and Respiratory Syndrome Virus RNA
Olivia L. Harrison, Grace E. Houston, Allison K. Blomme, Haley K. Otott, Jianfa Bai, Elizabeth G. Poulsen Porter, Jason C. Woodworth, Chad B. Paulk, Jordan T. Gebhardt, and Cassandra K. Jones

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Assessment of Soy-Based Imports into the US and Associated Foreign Animal Disease Status
Allison K. Blomme, Cassandra K. Jones, Jordan T. Gebhardt, Jason C. Woodworth, and Chad B. Paulk

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Effect of Benzoic Acid and Essential Oil Blends on Viral Load in Swine Feed and Vitamin Premix
Allison K. Blomme, Jordan T. Gebhardt, Cassandra K. Jones, Jason C. Woodworth, Elizabeth G. Poulsen Porter, Jianfa Bai, and Chad B. Paulk

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Prevalence and Distribution of African Swine Fever Virus in Swine Feed After Mixing and Feed Batch Sequencing
C. Grace Elijah, Jessie D. Trujillo, Cassandra K. Jones, Taeyong Kwon, Charles R. Stark, Konner R. Cool, Chad B. Paulk, Natasha N. Gaudreault, Jason C. Woodworth, Igor Morozov, Carmina Gallardo, Jordan T. Gebhardt, and Jurgen A. Richt

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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Variety Trial and Fertility of Fescue Cultivars in Southeast Kansas
Dale Helwig, Bruno Pedreira, and Junior Yasuoka

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Nutrient Management Strategies to Control Broomsedge Infestation and Improve Yield and Quality of Tall Fescue Hayfields
Junior I. Yasuoka, Dale Helwig, Wendie Powell, Jaymelynn K. Farney, Gretchen F. Sassenrath, and Bruno C. Pedreira

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Impact of Stubble Heights on Native Hay Meadows in Southeast Kansas
Junior I. Yasuoka, Wendie Powell, Walter H. Fick, and Bruno C. Pedreira

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Yield and Forage Quality on Native Meadows as Affected by Burn and Fertilization Management
Junior I. Yasuoka, Dale Helwig, Walter H. Fick, and Bruno C. Pedreira

Grain Sorghum

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Unraveling Sorghum Canopy Structure’s Genotypic Variability’s Effect on Yield
Matias F. Lucero, Ana J. P. Carcedo, Lucia Marziotte, L. Mayor, and Ignacio Antonio Ciampitti

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Impact of Different Plant Canopy Traits on Sorghum Yields
M. F. Lucero, A. J. P. Carcedo, L. Marziotte, L. Mayor, and I. A. Ciampitti

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Dynamics of Oil and Fatty Acid in Historical Sorghum Varieties
N. S. Volpato, A. J. P. Carcedo, T. Durrett, L. Marziotte, L. Mayor, and I. A. Ciampitti

Insect Control

Irrigation

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Deficit Irrigation Strategies for Subsurface Drip-Irrigated Alfalfa
Rocio Reyes Esteves, Keith Harmoney, and Freddie R. Lamm

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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Historical Characterization of Sorghum Grain Filling Dynamics
J. Grünberg, A. J. P. Carcedo, P. A. Demarco, L. Mayor, and I. A. Ciampitti

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Yield Response to Nitrogen Management in a Corn-Soybean Sequence in North Central Kansas – 2021 Season
A. A. Correndo, O. Lanza Lopez, L. F. A. Almeida, and I. A. Ciampitti

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Spring and Summer Cover Crop Effects on Dryland Wheat and Grain Sorghum Yields in Western Kansas
L. M. Simon, A. K. Obour, J. D. Holman, S. K. Johnson, and K. L. Roozeboom

Meat Science

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The Effects of Thawing Method on Consumer Palatability Ratings of Beef Strip Loin Steaks
Stephanie L. Witberler, Lindsey K. Decker, Erin S. Beyer, Morgan D. Zumbaugh, Michael D. Chao, Jessie L. Vipham, and Travis G. O'Quinn

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The Effects of Thawing Methods on Trained Sensory Evaluation of Beef Palatability Traits and Instrumental Measurements of Quality
Lindsey K. Decker, Erin S. Beyer, Michael D. Chao, Morgan D. Zumbaugh, Jessie L. Vipham, and Travis G. O'Quinn

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Evaluation of Thawing Curves of Beef Strip Loin Steaks Using Various Thawing Methods
Lauren M. Frink, Lindsey K. Decker, Erin S. Beyer, Michael D. Chao, Morgan D. Zumbaugh, Jessie L. Vipham, and Travis G. O'Quinn

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A Novel Approach of Using Electrostatic Field to Reduce Thawing Time and Improve Frozen Beef Quality
Grace E. Corrette, Haley J. Jeneske, Sara R. Hene, Linnea A. Rimmer, Larissa A. Koulicoff, Morgan D. Zumbaugh, Travis G. O'Quinn, Scott J. Eilert, Bret Flanders, and Michael D. Chao

North Central Kansas Experiment Field

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Grain Sorghum Yield Response to Water Availability—North Central Kansas Experiment Field
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

Pet Food Research

Poultry Research

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Growth Performance of Broilers in Response to Increasing Concentration of Multiple Mycotoxins in Contaminated Corn
Allison K. Blomme, Khairy I. Jenkins, Kara M. Dunmire, Nelsa M. Beckman, Haley K. Otott, Charles R. Stark, and Chad B. Paulk

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Effects of Dietary Amino Acid Density and Exogenous Protease Inclusion on Growth Performance and Apparent Ileal Amino Acid Digestibility in Turkeys
Courtney N. Truelock, Haley K. Wecker, Christopher J. Delfelder, Caitln E. Evans, Miguel A. Barrios, Charles R. Stark, Robert S. Beyer, and Chad B. Paulk

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Effect of Metabolizable Energy and Crumble Quality of the Diet on Growth Performance of Broilers
Nelsa M. Beckman, Khairy I. Jenkins, Allison K. Blomme, Haley K. Otott, Kara M. Dunmire, Charles R. Stark, and Chad B. Paulk

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Effect of Feed Form, Corn Particle Size, and Extrusion of Corn on Broiler Performance
Marut Saensukjaroenphon, Caitlin E. Evans, Cassandra K. Jones, Charles R. Stark, and Chad B. Paulk

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Effects of Dietary Amino Acid Density and Exogenous Protease Inclusion on Growth Performance and Apparent Ileal AA Digestibility in Broilers
Haley K. Wecker, Courtney N. Truelock, Christopher J. Delfelder, Caitlin E. Evans, Renan A. Donadelli, Charles G. Aldrich, Miguel A. Barrios, Charles R. Stark, Robert S. Beyer, John M. Gonzalez, and Chad B. Paulk

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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Mungbean: A New Alternative Crop for Kansas Farmers
Natalia da Silva Volpato, Claire Bott, Victor Gimenez, Ana Julia Paula Carcedo, and Ignacio A. Ciampitti

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Nitrogen and Sulfur Fertilization’s Effect on Soybean Quality and Yield in Kansas
Yuri A. B. Gross, Luiz Felipe A. Almeida, and Ignacio Antonio Ciampitti

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Assessing Planting Date Effect on Soybean Yield and Dry Down for Different Maturity Groups and Planting Dates in Eastern Kansas
Tainá H. da Silva, Venicius E. Pretto, Gabriel da R. Hintz, Eric Adee, and Ignacio A. Ciampitti

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Effect of Early Planting on Soybean Yield: 2023 Growing Season
Eric Adee, Scott Dooley, Mehraj Dar, and Vaishali Sharda

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

Section 1. Sow Research

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The Effect of Live Yeast and Yeast Extracts Included in Lactation Diets on Antimicrobial Susceptibility of Fecal Escherichia coli in Sows
Jenna A. Chance, Jordan T. Gebhardt, Joel M. DeRouchey, Raghavendra G. Amachawadi, Victor Ishengoma, T. G. Nagaraja, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Qing Kang, Joseph A. Loughmiller, and Brian Hotze

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The Effect of Live Yeast and Yeast Extracts Included in Lactation Diets on Sow and Litter Performance
Jenna A. Chance, Jordan T. Gebhardt, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joseph A. Loughmiller, and Brian Hotze

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Decreasing Corn Particle Size Increases Metabolizable Energy When Fed to Gestating Sows
Gage E. Nichols, Caitlin E. Evans, Julia P. Holen, Rachel N. Kort, Haley K. Wecker, Charles R. Stark, and Chad B. Paulk

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Effects of Providing a Sensory Attractant Powder to Suckling Pigs in Late Lactation and After Weaning on Post-Weaning Pig Performance
M. R. Wensley, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, Jason C. Woodworth, Joel M. DeRouchey, Denny McKilligan, and Nathan Upah

Section 2. Nursery Pig Research

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Influence of Feed Grade Amino Acid Inclusion Level in Late Nursery and Grower Diets Fed to Pigs from 21 to 75 lb
Hadley R. Williams, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Jordan T. Gebhardt, Chad W. Hastad, Zach B. Post, and Keith D. Haydon

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Evaluation of Vomitoxin Control Strategies on Nursery Pig Growth Performance and Blood Measures
Larissa L. Becker, Jordan T. Gebhardt, Mike D. Tokach, Robert D. Goodband, Joel M. DeRouchey, Jason C. Woodworth, Arnau Vidal, and Christos Gougoulias

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Evaluation of Vegetable Protein Sources on Nursery Pig Performance in a Commercial Environment
Rafe Q. Royall, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Jordan T. Gebhardt, and Keith D. Haydon

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Determining the Phosphorus Release of GraINzyme Phytase in Nursery Pigs
Larissa L. Becker, Madie R. Wensley, Joel M. DeRouchey, Jason C. Woodworth, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, R. Michael Raab, and Philip A. Lessard

Section 3. Finishing Pig Research

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Effects of the Pelleting Process on Diet Formulations with Varying Levels of Crystalline Amino Acids and Reducing Sugars on Nursery Pig Growth Performance
Kara M. Dunmire, Michaela B. Braun, Yiqin Zhang, Cassandra K. Jones, Yonghui Li, Jason C. Woodworth, Robert D. Goodband, Mike D. Tokach, Adam C. Fahrenholz, Charles R. Stark, and Chad B. Paulk

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Estimating the Net Energy Value of Expelled, Extruded Soybean Meal When Fed to Nursery Pigs
Allison K. Blomme, Haley K. Wecker, Mike D. Tokach, Jason C. Woodworth, Charles R. Stark, and Chad B. Paulk

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Effects of Reducing the Digestible Lysine and Tryptophan to Lysine Ratio on Growth Performance of Grow-Finish Pigs
Andres F. Tolosa, Mike D. Tokach, Robert D. Goodband, Jason C. Woodworth, Joel M. DeRouchey, Jordan T. Gebhardt, Craig Steck, and Matt L. Wolfe

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Effects of Increasing Soybean Meal in Corn-Wheat Midds-Based Diets on Growth Performance and Carcass Characteristics of Late Finishing Pigs
Julia P. Holen, Robert D. Goodband, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Chad W. Hastad, and Zach B. Post

Section 4. Feed Safety Research

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Evaluation of Biosecurity Measures on a Commercial Swine Operation Using Glo Germ Powder as a Visible Learning Aid
Olivia L. Harrison, Payton L. Dahmer, Jordan T. Gebhardt, Chad B. Paulk, Jason C. Woodworth, and Cassandra K. Jones

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Prevalence and Distribution of African Swine Fever Virus in Swine Feed After Mixing and Feed Batch Sequencing
C. Grace Elijah, Jessie D. Trujillo, Cassandra K. Jones, Taeyong Kwon, Charles R. Stark, Konner R. Cool, Chad B. Paulk, Natasha N. Gaudreault, Jason C. Woodworth, Igor Morozov, Carmen Gallardo, Jordan T. Gebhardt, and Jurgen A. Richt

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Assessment of Soy-Based Imports into the US and Associated Foreign Animal Disease Status
Allison K. Blomme, Cassandra K. Jones, Jordan T. Gebhardt, Jason C. Woodworth, and Chad B. Paulk

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Feed Mitigant Efficacy for Control of Porcine Epidemic Diarrhea Virus and Porcine Reproductive and Respiratory Syndrome Virus when Inoculated Alone or Together in Feed
C. Grace Elijah, Gage E. Nichols, Jordan T. Gebhardt, Cassandra K. Jones, Jason C. Woodworth, Steve S. Dritz, Jianfa Bai, Joe W. Anderson, Elizabeth G. Poulsen Porter, Aaron Singrey, and Chad B. Paulk

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Effect of Benzoic Acid and Essential Oil Blends on Viral Load in Swine Feed and Vitamin Premix
Allison K. Blomme, Jordan T. Gebhardt, Cassandra K. Jones, Jason C. Woodworth, Elizabeth Poulsen Porter, Jianfa Bai, and Chad B. Paulk

Section 5. Swine Health and Disease Management

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Detection and Investigation of Atypical Porcine Pestivirus within a Breed-to-Finish Farm and Off-Site Nursery and Finisher Locations
C. Grace Elijah, Cassandra K. Jones, Jason C. Woodworth, Rachel Palinski, Chad B. Paulk, Tom Petznick, and Jordan T. Gebhardt

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 Research

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Effect of Percent Fines in Pelleted Diets on Growth Performance of Grow-Finish Pigs During Three Phases of Production
Patrick A. Badger, Haley K. Otott, Adam Donnelly, Charles R. Stark, and Chad B. Paulk

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Decreasing Corn Particle Size Increases Metabolizable Energy When Fed to Gestating Sows
Gage E. Nichols, Caitlin E. Evans, Julia P. Holen, Rachel N. Kort, Haley K. Wecker, Charles R. Stark, and Chad B. Paulk

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Estimating the Net Energy Value of Expelled, Extruded Soybean Meal When Fed to Nursery Pigs
Allison K. Blomme, Haley K. Wecker, Mike D. Tokach, Jason C. Woodworth, Charles R. Stark, and Chad B. Paulk

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Effects of the Pelleting Process on Diet Formulations with Varying Levels of Crystalline Amino Acids and Reducing Sugars on Nursery Pig Growth Performance
Kara M. Dunmire, Michaela B. Braun, Yiqin Zhang, Cassandra K. Jones, Yonghui Li, Jason C. Woodworth, Robert D. Goodband, Mike D. Tokach, Adam C. Fahrenholz, Charles R. Stark, and Chad B. Paulk

Weather

Weed Science

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Herbicides and Cereal Rye for Palmer Amaranth Management in Corn and Soybean
Igor G. R. Lima, Alec C. Adam, Wade T. Burris, Salina Raila, and Sarah Lancaster

Wheat

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Wheat Variety-Specific Response to Seeding Rate Under Intensive Management Conditions in Western Kansas in 2021–2022
R. P. Lollato, N. Giordano, L. Ryan, L. M. Simão, J. A. Romero Soler, and L. O. Pradella

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Allelopathic Potential of Winter Wheat Varieties for Weed Suppression
C. Bott, A. Dille, A. Mohammad, L. Simão, L. O. Pradella, and R. P. Lollato

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Does Winter Wheat Yield Response to Fungicide Application Depend on Nitrogen Management?
J. A. Romero Soler, L. O. Pradella, N. Giordano, G. Cruppe, and R. P. Lollato

Full Reports

Section 1: Sow Nutrition and Management

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Evaluation of Precision Feeding Standardized Ileal Digestible Lysine to Meet the Lactating Sow’s Requirement and Maximize Piglet Growth Performance
Mikayla S. Spinler, Jordan T. Gebhardt, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, Hyatt L. Frobose, and Jason C. Woodworth

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Evaluation of Precision Feeding SID Lysine to Lactating Sows on Sow and Litter Performance, Nitrogen Level, and Feed Cost
Mikayla S. Spinler, Jordan T. Gebhardt, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, Hyatt L. Frobose, and Jason C. Woodworth

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The Effect of Live Yeast Probiotics in Lactation Diets with and without a Yeast Prebiotic in Nursery Diets on Lifetime Growth Performance, Antibody Titers, and Carcass Characteristics
Abigail K. Jenkins, Joel M. DeRouchey, Jordan T. Gebhardt, Jason C. Woodworth, Mike D. Tokach, Robert D. Goodband, Joseph A. Loughmiller, and Brian T. Kremer

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Pigs Weaned from Sows Fed a Feed Flavor Had Improved Nursery Performance, but Feed Flavor in the Nursery Diets did not Impact Performance
Mikayla S. Spinler, Jordan T. Gebhardt, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, and Jason C. Woodworth

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The Effect of Lactation Diets Supplemented with Krave AP on Sow and Litter Performance
Mikayla S. Spinler, Jordan T. Gebhardt, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, and Jason C. Woodworth

Section 2: Nursery Pig Nutrition and Management

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Effects of Increasing Levels of Soybean Meal in Nursery Diets on Growth Performance and Fecal Characteristics of 22- to 60-lb Pigs
Jamil E. G. Faccin, Robert D. Goodband, Mike D. Tokach, Joel M. DeRouchey, Jordan T. Gebhardt, and Jason C. Woodworth

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Evaluation of Lactose Level Intake and Whey Permeate Form on Nursery Pig Performance
Ethan B. Stas, Jason W. Frank, Tingting Wang, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, and Jordan T. Gebhardt

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Evaluation of Anchovy Fish Meal with or without Added Fish Solubles on Nursery Pig Performance
Ethan B. Stas, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, and Jordan T. Gebhardt

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Evaluation of Anchovy Fish Meal with or without Added Fish Solubles Compared to Other Specialty Protein Sources on Nursery Pig Performance
Ethan B. Stas, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Robert D. Goodband, and Jordan T. Gebhardt

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Effects of Various Modified Corn Protein Inclusion Rates on Nursery Pig Growth Performance
Rafe Q. Royall, Ty H. Kim, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Jordan T. Gebhardt, Robert D. Goodband, Keith Mertz, and John F. Patience

Section 3: Growing and Finishing Pig Nutrition and Management

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A Meta-Regression Analysis to Evaluate the Effects of Narasin on Grow-Finish Pig Performance
Larissa L. Becker, Jordan T. Gebhardt, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Jenna A. Seltzer, Roger A. Arentson, Michael Shields, and Christopher L. Puls

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A Multi-Trial Analysis Evaluating the Effects of Pharmacological Levels of IntelliBond Copper on Growing-Finishing Pig Growth Performance and Carcass Characteristics
Hayden R. Kerkaert, Jason C. Woodworth, Joel M. DeRouchey, Steve S. Dritz, Mike D. Tokach, Robert D. Goodband, and Hilda Calderon Cartagena

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Effect of Sulfate or Hydroxychloride Forms of Zinc, Manganese, and Copper on Growth Performance, Weight Variation, Carcass Characteristics, and Economics of Grow-Finish Pigs
Hilario M. Cordoba, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Mike D. Tokach, Jordan T. Gebhardt, and Chris P.A. van de Ligt

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Exploring the Use of Probicon L28 and BIOPLUS 2B as Direct-Fed Microbials to Reduce Salmonella and Shiga Toxin-Producing Escherichia coli in Market Pigs
Jimeng Bai, Macie E. Reeb, Mike D. Tokach, Jordan T. Gebhardt, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Jessie L. Vipham, Qing Kang, John W. Schmidt, Dayna M. Brichta-Harhay, Joseph M. Bosilevac, Morgan Miller, and Sara E. Gragg

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Determining the Impact of Probicon L28 and BioPlus 2B on Finishing Pig Growth Performance and Carcass Characteristics
Macie E. Reeb, Jimeng Bai, Mike D. Tokach, Jordan T. Gebhardt, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Jessie L. Vipham, Qing Kang, John W. Schmidt, Dayna M. Brichta-Harhay, Morgan Miller, and Sara E. Gragg

Section 4: Herd Health and Management

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Evaluation of Precision, Accuracy, and Efficiency of Scale Stabilization Settings Using LeeO Pig Tracking System
Abigail K. Jenkins, Zhong-Xing Rao, Jordan T. Gebhardt, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Tyler Holck, Joel Stave, and Claire Christensen

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Evaluation of Variation in Nursery Pig Growth Performance Utilizing Different Allotment Strategies
Abigail K. Jenkins, Jordan T. Gebhardt, Jason C. Woodworth, Joel M. DeRouchey, Mike D. Tokach, and Robert D. Goodband

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Understanding the Reduction of Porcine Epidemic Diarrhea Virus, Porcine Reproductive and Respiratory Syndrome Virus, and Seneca Valley Virus 1 RNA in Inoculated Feed and the Environment Following Thermal Processing
Olivia L. Harrison, Haley K. Otott, Jianfa Bai, Vaughn A. Hamill, Aaron Singrey, Phillip C. Gauger, Marcelo N. Almeida, Jason C. Woodworth, Charles R. Stark, Roman M. Pogranichniy, Cassandra K. Jones, Jordan T. Gebhardt, and Chad B. Paulk

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Evaluating the Distribution of Porcine Epidemic Diarrhea Virus, Porcine Reproductive and Respiratory Syndrome Virus, and Seneca Valley Virus 1 Inoculated Feed After the Use of Physical or Chemical Mitigants to Flush a Feed Manufacturing Facility
Olivia L. Harrison, Haley K. Otott, Jianfa Bai, Vaughn A. Hamill, Aaron Singrey, Phillip C. Gauger, Marcelo N. Almeida, Jason C. Woodworth, C. R. Stark, Roman M. Pogranichniy, Cassandra K. Jones, Jordan T. Gebhardt, and Chad B. Paulk

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Development of a Self-Emulsifying Adjuvant for Use in Swine Vaccines
Rachel Madera, Yulia Burakova, Lihua Wang, and Jishu Shi

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

Wheat Supplemental Article

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Wheat Variety Test Results for South Central Kansas – 2023
Jeff Seiler, Randy Hein, Ryan Flaming, Romulo Lollato, and Bruno Pedreira