Volume 11, Issue 7 (2025) Swine Day
Section 1: Sow Nutrition and Management
Evaluating Calcium Administration Protocols Around Farrowing on Sow Performance
Abigail K. Jenkins, Sierra M. Collier, Sara Virdis, Olivia J. Cataldo, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Kyle F. Coble, Paul J. Corns, Jose A. Soto, and Andrew Bents
The Effect of Litter Size Relative to Functional Teat Count on Lactating Sow and Litter Performance
Abigail K. Jenkins, Sierra M. Collier, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Kyle F. Coble, and Paul Corns
Evaluation of Split Suckling Strategies on Pre- and Post-Weaning Piglet Growth and Mortality
Mikayla S. Spinler, Samantha A. Swanson, Elizabeth Due, Maya Lashley, Ashley R. Hartman, Jordan T. Gebhardt, Katelyn N. Gaffield, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, and Jason C. Woodworth
Effect of Increasing Arginine:Lysine Ratio During Transition and Lactation on Farrowing Kinetics, Milk Composition, and Sow and Litter Performance
Sara Virdis, Abigail K. Jenkins, Jason C. Woodworth, Jordan T. Gebhardt, Robert D. Goodband, Mike D. Tokach, and Joel M. DeRouchey
Effect of Two Injectable Iron Sources and Three Administration Programs on Growth Performance and Hemoglobin Levels in Suckling Pigs
Ginevra Piazza, Julian Arroyave, Jason C. Woodworth, Katelyn N. Gaffield, Mike D. Tokach, Robert D. Goodband, Joel M. DeRouchey, and Jordan T. Gebhardt
The Effect of Sow Body Weight Change During Gestation on Sow Body Weight Change and Litter Average Daily Gain During Lactation
Ron Aldwin S. Navales, Weasley Orlando, Jiyao Guo, Lori Kociemba, Carine Vier, Joel M. DeRouchey, Katelyn N. Gaffield, Jordan T. Gebhardt, Mike D. Tokach, and Jason C. Woodworth
Effect of Lactation Diets Containing a Cheese Co-product on Sow and Litter Performance
Grady A. Privett, Diego A. Lopez, Jason C. Woodworth, Jordan T. Gebhardt, Katelyn N. Gaffield, Robert D. Goodband, Mike D. Tokach, and Joel M. DeRouchey
Section 2: Nursery Pig Nutrition and Management
The Effect of a Cheese Co-product in Nursery Pig Diets from Sows Fed with and Without Cheese Co-Product in Lactation
Grady A. Privett, Diego A. Lopez, Jason C. Woodworth, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Mike D. Tokach, and Joel M. DeRouchey
Evaluation of Increasing Trypsin Inhibitor on Nursery Pig Growth Performance, Fecal Dry Matter, and Nutrient Digestibility
Sierra M. Collier, Paige T. Soper, Katelyn N. Gaffield, Robert D. Goodband, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Hari B. Krishnan, and Jordan T. Gebhardt
Evaluation of Trypsin Inhibitor Unit Level with or without the Addition of Protease and an In-feed Acidifier on Nursery Pig Growth Performance, Fecal Dry Matter, and Nutrient Digestibility
Sierra M. Collier, Skyler D. Ward, Katelyn N. Gaffield, Robert D. Goodband, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Hari B. Krishnan, and Jordan T. Gebhardt
Evaluating the Effects of Startup Soybean Meal on Nursery Pig Growth Performance, Fecal Dry Matter, and Apparent Total Tract Digestibility of Crude Protein
Paula Giacomini, Katelyn N. Gaffield, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Jason C. Woodworth, Jordan T. Gebhardt, and Hari B. Krishnan
Effects of Thermo-Mechanically Processed Soybean Meal on Nursery Pig Growth and Fecal Characteristics
Jessica L. Smallfield, Jason C. Woodworth, Joel M. DeRouchey, Mike D. Tokach, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Alan J. Warner, Chad W. Hastad, Sabrina T. May, Wesley P. Schweer, and Chad M. Pilcher
Effects of a Bacillus-Based Feed Additive in Nursery Pig Diets Containing Low or High Levels of Soybean Meal
Ty H. Kim, Grady A. Privett, Pau Salgado-Lopez, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Robert D. Goodband, Katelyn N. Gaffield, Thomas E. Weber, Kale Causemaker, Brooke Anderson, Dwight J. Shawk, Noah C. Gainey, Veronica Polniak, and Jordan T. Gebhardt
Effect of Two Specialty Corn Protein-Based Products on Growth Performance and Fecal Dry Matter in Nursery Pigs
Tomas Porcel de Peralta, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Julia P. Holen, Haley Schwecke, Alyssa M. Betlac, Keith Mertz, and John F. Patience
Determining the Dose-Response Effects of a Modified Corn Protein Product in Nursery Pig Diets
Paula Giacomini, Jason C. Woodworth, Katelyn N. Gaffield, Mike D. Tokach, Joel M. DeRouchey, Jordan T. Gebhardt, Robert D. Goodband, Keith Mertz, and John F. Patience
Effects of Increasing Dietary Level of ValoproWin in Low ABC-4 Diets on Nursery Pig Performance and Fecal Dry Matter
Julian Arroyave, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, David Guillou, Noëmie Lemoine, and Jim Bryte
Effects of ValoproWin and Formulation Strategy on Nursery Pig Performance and Fecal Dry Matter
Julian Arroyave, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Pau Salgado-López, David Guillou, and Noëmie Lemoine
Evaluation of Crude Protein and Acid-Binding Capacity on Nursery Pig Growth Performance and Fecal Dry Matter
Jessica L. Smallfield, Ron Aldwin S. Navales, Jordan T. Gebhardt, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, and Katelyn N. Gaffield
Effects of Dietary Crude Protein and Added Zinc on Nursery Pig Growth Performance and Fecal Dry Matter
Jentry J. Squires, Payton L. Dahmer, Joel M. DeRouchey, Julian Arroyave, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Joana Magoga, Mike D. Tokach, and Jason C. Woodworth
Effects of Increasing Lactose with or without Pharmacological Levels of Zinc on Performance, Fecal Dry Matter, and Plasma Zinc Concentration in Nursery Pigs
Joana Magoga, Julian Arroyave, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth, Joel M. DeRouchey, Katelyn N. Gaffield, and Mike D. Tokach
Effect of Zinc Source and Level on Growth Performance, Fecal Dry Matter, and Fecal Zinc Concentration of Nursery Pigs
Julian Arroyave, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, and Jordan T. Gebhardt
Effects of Compound Enzymes in Nursery Pig Diets of Different Nutrient Density
Ty H. Kim, Jamil E. G. Faccin, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Robert D. Goodband, Chad B. Paulk, Ying Zhou, Xuerong Song, Xiuyi Wu, Franco S. Matias-Ferreyra, Raghavendra G. Amachawadi, and Jordan T. Gebhardt
Effects of Copper Feeding Strategy on Growth Performance of Nursery Pigs
Samantha A. Swanson, Jordan T. Gebhardt, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, and Matt Einarson
Effects of Compound Enzymes in Reduced Nutrient Density Nursery Pig Diets
Ty H. Kim, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Robert D. Goodband, Katelyn N. Gaffield, Ying Zhou, Xuerong Song, Xiuyi Wu, and Jordan T. Gebhardt
Effect of a Novel Dietary Antioxidant on Growth Performance and Antioxidant Status of Nursery Pigs
Ron Aldwin S. Navales, Jamil Faccin, Mike D. Tokach, Izuru Shinzato, Joel M. DeRouchey, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Theresa Rathbun, Jason C. Woodworth, Tsuyoshi Tonoue, Daisuke Matsui, and Hiraoka Tetsuya
Effects of Hydrolyzed Yeast on Weanling Pig Growth Performance and Stress-related Blood Antioxidant Criteria
Jessica L. Smallfield, Joel M. DeRouchey, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Robin Yao, and Yitong Guo
Effects of Diet and Water Monoglyceride and Acid Supplementation on Nursery Pig Performance
Ty H. Kim, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Ying Chen, and Mark Whitney
Effect of Dietary Formulation Strategy, Water Source, and Water Acidification on Growth Performance and Fecal Dry Matter in Nursery Pigs
Maxwell L. Corso, Jason C. Woodworth, Mike D. Tokach, Jordan T. Gebhardt, Robert D. Goodband, Joel M. DeRouchey, Katelyn N. Gaffield, Chad W. Hastad, and Alan J. Warner
Effect of Phase Feeding Budget and Weaning Weight on Nursery Pig Growth Performance and Economics: A Follow-Up Study
Julian Arroyave, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, and Jordan T. Gebhardt
Evaluation of Net Energy, Standardized Ileal Digestible Lysine, and Soybean Meal Content Interactions in Pigs from 25 to 50 lb Using a Factorial Arrangement
Hilario M. Cordoba, Mike D. Tokach, Jason C. Woodworth, Katelyn N. Gaffield, Robert D. Goodband, Joel M. DeRouchey, Jordan T. Gebhardt, Henrique S. Cemin, and Jose A. Soto
Is Caloric Efficiency an Accurate Method to Estimate Soybean Meal Net Energy in Nursery Pigs?
Ty H. Kim, Pau Salgado-Lopez, Jessica L. Smallfield, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Robert D. Goodband, Katelyn N. Gaffield, Jordan T. Gebhardt, Henrique S. Cemin, Ernie Hansen, Morgan D. Hart, Jamil E. G. Faccin, and Jose A. Soto
Effects of Increasing Standardized Ileal Digestible Valine:Lysine Ratios on the Growth Performance of 50 to 80 lb Pigs
Samantha A. Swanson, Jason C. Woodworth, Mike D. Tokach, Robert D. Goodband, Joel M. DeRouchey, Katelyn N. Gaffield, and Jordan T. Gebhardt
Effects of Standardized Ileal Digestible Lysine:Crude Protein Ratio in Diets with or without Distillers Dried Grains with Solubles on Growth Performance of 25 to 45 lb Pigs
Jessica L. Smallfield, Mike D. Tokach, Katelyn N. Gaffield, Robert D. Goodband, Joel M. DeRouchey, Jason C. Woodworth, Jordan T. Gebhardt, Henrique S. Cemin, Melissa R. Pietig, Zach A. Schumacher, and Jose A. Soto
Section 3: Growing and Finishing Pig Nutrition and Management
Effect of Standardized Ileal Digestible Lysine to Crude Protein Ratio on Growth Performance of 100 to 275 lb Pigs
Ron Aldwin S. Navales, Abigail K. Jenkins, Ty H. Kim, Julian Arroyave, Joel M. DeRouchey, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, Mike D. Tokach, and Jason C. Woodworth
Evaluation of Phase Feeding and Complete Diet Blending on Growing-Finishing Pigs’ Growth Performance and Diet Economics
Ron Aldwin S. Navales, Mike D. Tokach, Mike E. Reard, Alan J. Warner, Chad Hastad, Joel M. DeRouchey, Katelyn N. Gaffield, Jordan T. Gebhardt, Robert D. Goodband, and Jason C. Woodworth
Effects of Increasing Soybean Meal in Diets with or without Distillers Dried Grains with Solubles on Growth Performance and Carcass Characteristics of Pigs in Early and Late Finishing Phases
Paula Giacomini, Katelyn N. Gaffield, Robert D. Goodband, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Jordan T. Gebhardt, Amy Petry, Margaret Putnam, Aaron Gaines, R. Dean Boyd, Caleb Shull, and Omarh Mendoza
Effect of Zinc Source Fed at Nutritional Levels on Finishing Pig Growth Performance and Carcass Characteristics
Julian Arroyave, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, and Jordan T. Gebhardt
Effect of Copper Source on Finishing Pig Growth Performance and Carcass Characteristics
Samantha A. Swanson, Jordan T. Gebhardt, Jason C. Woodworth, Mike D. Tokach, Joel M. DeRouchey, Robert D. Goodband, Katelyn N. Gaffield, and Matt Einarson
Section 4: Herd Health and Management
Evaluation of Sanitation Procedures in Swine Nursery Facilities Utilizing ATP Bioluminescence
Emily Evans, Jordan T. Gebhardt, Mike D. Tokach, Robert D. Goodband, Joel M. DeRouchey, Jason C. Woodworth, Katelyn N. Gaffield, Harith Salih, Taghreed Mahmood, Raghavendra G. Amachawadi, and Sara Virdis
Swine Day Endnotes
