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Evaluation Of A Microencapsulated Form Of Zinc Oxide On Weanling Pig Growth Performance, Intestinal Morphology, And Zinc Excretion, Payton L. Dahmer, Franco S. Matias-Ferreyra, Cassandra K. Jones 2023 Kansas State University, Manhattan

Evaluation Of A Microencapsulated Form Of Zinc Oxide On Weanling Pig Growth Performance, Intestinal Morphology, And Zinc Excretion, Payton L. Dahmer, Franco S. Matias-Ferreyra, Cassandra K. Jones

Kansas Agricultural Experiment Station Research Reports

A total of 350 pigs (DNA 200 × 400; initially 13.31 ± 0.04 lb BW) were used in a 42-d study with 5 pigs per pen and 12 pens per treatment. At weaning, pigs were randomly allocated to pens and pens were randomly allotted to dietary treatments. Dietary treatments were: 1) negative control (standard nursery diet containing 110 ppm Zn from trace mineral premix); 2) control diet with 3,000 ppm added Zn in the form of ZnO in phase 1 and 2,000 ppm added Zn in the form of ZnO in phase 2 (High-ZnO); 3) control diet with 400 ppm …


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, Jordan T. Gebhardt 2023 Kansas State University, Manhattan

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, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 1,134 pigs (L337 × 1050 PIC; initially 10.4 lb) were used to evaluate anchovy fish meal with or without added fish solubles on nursery pig performance in a commercial environment. At weaning, pigs were allotted to 1 of 3 dietary treatments containing three different specialty protein sources added on an SID Lys basis. Dietary treatments consisted of a control diet containing enzymatically treated soybean meal at 7.0% of the diet, a diet containing 5.1% anchovy fish meal, and a diet containing 5.33% anchovy fish meal with added anchovy fish solubles. Pigs were fed experimental diets in phases …


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, Chris P.A. van de Ligt 2023 Kansas State University, Manhattan

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, Chris P.A. Van De Ligt

Kansas Agricultural Experiment Station Research Reports

A total of 1,026 grow-finish pigs (337 × 1050 PIC; initially 57.2 ± 0.73 lb) were used in a 124-d trial to compare sulfate and hydroxychloride forms of Zn, Mn, and Cu on growth performance, carcass characteristics, weight variation, and economics of grow-finish pigs. Pigs were housed in mixed gender pens with 27 pigs per pen and 19 pens per treatment. The treatments were structured as a completely randomized design and consisted of a control diet containing 150, 16, and 110 ppm of Cu, Mn, and Zn, respectively, from sulfate sources or the same inclusion provided by hydroxychloride sources. Experimental …


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, Christopher L. Puls 2023 Kansas State University, Manhattan

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, Christopher L. Puls

Kansas Agricultural Experiment Station Research Reports

A meta-regression analysis was conducted to evaluate the effects of added narasin in growing-finishing pig diets to predict the influence on average daily gain (ADG), feed efficiency (G:F), and carcass yield. A database was developed containing 21 technical reports, abstracts, and refereed papers from 2012 to 2021 representing 35 observations for growth performance data in studies ranging from 35 to 116 days in length (overall data). In addition, within these 35 observations, individual period data were evaluated (143 observations) using weekly, bi-weekly, or monthly performance intervals (period data). Regression model equations were developed, and predictor variables were assessed with a …


Foreword, Swine Day 2023, 2023 Kansas State University Libraries

Foreword, Swine Day 2023

Kansas Agricultural Experiment Station Research Reports

This file includes the 2023 Swine Day Research Report introduction, standard abbreviations, K-State Vitamin and Trace Mineral Premixes statement, biological variability and chances of error explanation, and acknowledgments of our supporters. We hope that the information in the 2023 Swine Day Research Report will be of benefit as we attempt to meet the needs of the Kansas swine industry.


Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell 2023 The University of Akron

Amphisbaenian Head Movement And Burrowing Forces In Damp Granular Media, Jacob Newell

Williams Honors College, Honors Research Projects

Damp granular media is a difficult environment to study because it is both practically complex and it lacks equations which fully describe its behavior. In this study, an oscillatory lateral head movement and its effects while penetrating damp granular media were tested using a robophysical model. This experimental research was inspired by the burrowing behavior of the clade Amphisbaenia, a group of usually limbless squamates that employ a variety of different burrowing behaviors, but it can apply to a wide range of burrowers. This research could help with both human burrowing technologies and the further investigation of animal behaviors.


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, Brian T. Kremer 2023 Kansas State University, Manhattan

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, Brian T. Kremer

Kansas Agricultural Experiment Station Research Reports

A total of 28 mixed parity sows (Line 241 DNA) and their offspring were used in a farrow-to-finish study to evaluate the effect of live yeast supplementation during lactation with or without yeast extract supplementation during the nursery period on sow and litter performance and lifetime growth performance, serum antibody titers, and carcass characteristics. Sows were blocked by parity and BW on d 110 of gestation and allotted to 1 of 2 dietary treatments which consisted of a standard corn-soybean meal lactation diet with or without yeast-based probiotics (0.10% Actisaf Sc 47 HR+; Phileo by Lesaffre, Milwaukee, WI). Following weaning, …


Effects Of Increasing Energy Or Lysine In Soybean Meal-Based Diets On Early And Late Finishing Pig Performance, Ty H. Kim, Jamil E. G. Faccin, Robert D. Goodband, Mike D. Tokach, Joel M. DeRouchey, Jason C. Woodworth, Jordan T. Gebhardt 2023 Kansas State University, Manhattan

Effects Of Increasing Energy Or Lysine In Soybean Meal-Based Diets On Early And Late Finishing Pig Performance, Ty H. Kim, Jamil E. G. Faccin, Robert D. Goodband, Mike D. Tokach, Joel M. Derouchey, Jason C. Woodworth, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 2,265 finishing pigs (337 × 1050 PIC; initially 110.7 ± 6.14 lb) were used in two 28-d trials to determine the effect of increasing energy or lysine in soybean meal-based diets on early and late finishing pig performance. Pigs were housed in mixed gender pens with 27 pigs per pen and 21 pens per treatment. Soybean meal (SBM) NE values used in diet formulation were either 946 kcal/lb (78% NE of corn; NRC) or 1,212 kcal/lb (100% NE of corn). The treatments were structured as a completely randomized design. Treatments consisted of: 1) a diet containing a …


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, Jason C. Woodworth 2023 Kansas State University, Manhattan

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, Jason C. Woodworth

Kansas Agricultural Experiment Station Research Reports

A total of 56 mixed parity sows (DNA 241, Columbus, NE) and litters (DNA 241 × 600) were used across two batch farrowing groups to evaluate the effects of precision feeding SID Lys during lactation. Sows were blocked by parity and allotted to 1 of 3 treatments on day 2 of lactation (the day after the start of farrowing). The first treatment was a control treatment where sows were provided a 1.10% SID Lys diet throughout lactation. The second and third treatments included sows fed either a static blend curve or a dynamic blend curve. Both blend curve treatments utilized …


Body Condition: Seasonal Effects And Influence On Aggressive Behavior Of Ozark Zigzag Salamanders (Plethodon Angusticlavius), Ayesha Farooq 2023 Missouri State University

Body Condition: Seasonal Effects And Influence On Aggressive Behavior Of Ozark Zigzag Salamanders (Plethodon Angusticlavius), Ayesha Farooq

MSU Graduate Theses

Body condition is a measure of the size of energy reserves such as fat and protein, which can influence health and the ability to obtain resources in aggressive encounters. Individuals with better body condition ultimately experience a fitness advantage. Physiological factors such as sex, reproductive condition, and diet can influence body condition of individuals. Body condition could be affected positively or negatively after an animal is kept in captivity for extended periods of time. In the first chapter, I explore whether sex, season (fall and spring), and time in containment at the laboratory influences body condition. In the second chapter, …


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, Jason C. Woodworth 2023 Kansas State University, Manhattan

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, Jason C. Woodworth

Kansas Agricultural Experiment Station Research Reports

A total of 95 mixed parity sows (DNA 241) and litters (DNA 241 × 600) were used across four batch farrowing groups to evaluate the effects of precision feeding Lys during lactation. Sows were blocked by parity and allotted to 1 of 3 treatments on day 2 (the day after farrowing) of lactation. Dietary treatments were formed by using 2 diets: a low Lys diet (0.25% SID Lys) and a high Lys diet (1.10% SID Lys). Treatments included a control, NRC (2012), or INRA (2009) treatment curve. Sows on the NRC or INRA treatment curves received a blend of the …


Effects Of Increasing Alpha-Linolenic Acid On Growth Performance And Mortality Rate In Prrs-Virus Challenged Nursery Pigs, Jenna J. Bromm, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Josh R. Flohr, Raymond A. M. Schmitt, Jordan T. Gebhardt, Felipe Zarate 2023 Kansas State University, Manhattan

Effects Of Increasing Alpha-Linolenic Acid On Growth Performance And Mortality Rate In Prrs-Virus Challenged Nursery Pigs, Jenna J. Bromm, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joel M. Derouchey, Josh R. Flohr, Raymond A. M. Schmitt, Jordan T. Gebhardt, Felipe Zarate

Kansas Agricultural Experiment Station Research Reports

A total of 91,140 weaned pigs, (DNA 600 × PIC 1050; initially 11.33 ± 0.62 lb) originating from PRRSV-positive sow farms, were used across 8 nursery sites to evaluate growth performance, total removal and mortality rate, and medication usage of nursery pigs fed diets containing 0 or 3% O3 Trial Feed (NBO3 Technologies LLC, Manhattan, KS), a source of omega-3 fatty acids. Each of the 8 sites contained 5 barns with 2 rooms in each barn. Rooms of pigs were blocked by nursery site and allocated by sow source to 1 of 2 dietary treatments. Thus, there were 40 groups …


Influence Of Herbal Active D On Nursery Pig Growth Performance, Larissa L. Becker, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Jordan T. Gebhardt 2023 Kansas State University, Manhattan

Influence Of Herbal Active D On Nursery Pig Growth Performance, Larissa L. Becker, Mike D. Tokach, Jason C. Woodworth, Robert D. Goodband, Joel M. Derouchey, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 2,268 pigs (L337 × 1050 PIC; initially 12.1 ± 0.39 lb) were used in a 42-d growth study to evaluate the effects of herbal active D on growth performance, bone characteristics, and serum parameters of nursery pigs. Pigs were weaned at approximately 21 d of age and randomly allotted to 1 of 3 dietary treatments in a randomized complete block design. A total of 84 pens were used with 27 pigs per pen and 28 replications per treatment across 2 rooms. Pens were blocked by BW and weaning date. Dietary treatments were corn-soybean meal-based and fed in …


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, Jason C. Woodworth 2023 Kansas State University, Manhattan

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, Jason C. Woodworth

Kansas Agricultural Experiment Station Research Reports

Two experiments were conducted to determine the effects of increasing soybean meal (SBM) on late nursery pig performance. In Exp. 1, a total of 266 pigs (241 × 600 DNA; initially 22.2 ± 0.37 lb) were used in a 21-d trial with 14 replicate pens per treatment and 4 to 5 pigs per pen. Pens of pigs were randomly assigned to 1 of 4 dietary treatments which were corn-based with SBM levels of 25.0, 28.9, 32.5, or 36.2%. In Exp. 2, a total of 340 pigs (241 × 600 DNA; initially 29.8 ± 0.40 lb) were used in a 21-d …


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, Claire Christensen 2023 Kansas State University, Manhattan

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, Claire Christensen

Kansas Agricultural Experiment Station Research Reports

This trial was conducted to evaluate the optimum scale head settings for LeeO scale systems to balance accuracy, precision, and efficiency in weighing pigs. LeeO scales allow for the adjustment of both stabilization time (mSec) and stabilization weight (g). The pig weight that is accepted by the technology is only registered after staying within the set stabilization weight for the set stabilization time. Prior to beginning animal research, precision and accuracy were assessed for two scales. The nursery scale used a 25-lb test weight and the finisher scale used a 50-lb test weight. The CV estimates were 0.1% or less …


Effects Of Warming And Drying On The Survival And Performance Of Giant Salmonfly Nymphs (Pteronarcys Californica), Kailie Todd 2023 University of Montana, Missoula

Effects Of Warming And Drying On The Survival And Performance Of Giant Salmonfly Nymphs (Pteronarcys Californica), Kailie Todd

Undergraduate Theses, Professional Papers, and Capstone Artifacts

Rising temperatures and anthropogenic influences threaten to alter aquatic ecosystems as oxygen supply and demand is altered depending on temperature, flow, and water presence. In late November of 2021, a dam malfunction occurred on the Madison River in Montana that caused the river to dry rapidly downstream of the dam and reduced flow by 70% for 50 hours. My experiments were designed to determine the effects of this event by assessing how long giant salmonfly nymphs (Pteronarcys californica) can survive in still water and in air depending on temperature and relative humidity. In the laboratory, we exposed salmonfly …


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, John F. Patience 2023 Kansas State University, Manhattan

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, John F. Patience

Kansas Agricultural Experiment Station Research Reports

This experiment was conducted to determine the optimum feeding strategy of a modified corn protein product (MCP; P4000; Cargill Starches, Sweeteners, & Texturizers, Blair, NE) on growth performance and fecal dry matter of nursery pigs. A total of 360 barrows (DNA 200 × 400; initially 12.0 ± 0.14 lb) were used in a 42-d growth trial. Pigs were weaned at approximately 21 d of age, randomly allotted to pens in 1 of 2 weight blocks based on initial BW (initially 10.8 and 13.2 lb), and then allotted to 1 of 6 dietary treatments in a completely randomized design. There were …


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, Jordan T. Gebhardt 2023 Kansas State University, Manhattan

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, Jordan T. Gebhardt

Kansas Agricultural Experiment Station Research Reports

A total of 2,172 pigs (L337 × 1050 PIC; initially 11.4 lb) were used to evaluate anchovy fish meal with or without added anchovy fish solubles compared to other specialty protein sources on nursery pig performance in a commercial environment. At weaning, pigs were randomly allotted to 1 of 6 dietary treatments containing 6 different specialty protein sources added on an SID Lys basis. Dietary treatments consisted of diets with: 1) 7.0% enzymatically treated soybean meal (HP 300; Hamlet Protein; Findlay, OH); 2) 3.5% spray-dried bovine plasma (APC Inc, Ankeny, IA); 3) 5.0% microbially enhanced soybean meal (MEPro, Prairie Aquatech, …


Effects Of Standardized Ileal Digestible Threonine To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. DeRouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach 2023 Kansas State University, Manhattan

Effects Of Standardized Ileal Digestible Threonine To Lysine Ratio On Growth Performance Of Pic Line 337 × 1050 Pigs, Rafe Q. Royall, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Carine M. Vier, Matthew Spindler, Uislei Orlando, Luis Zaragoza, Ning Lu, Wayne Cast, Danielle F. Wilson-Wells, Julia P. Holen, Alyssa M. Betlach

Kansas Agricultural Experiment Station Research Reports

The objective of this research was to evaluate the impact of varying SID Thr:Lys ratios on growth performance, removals, and mortality rates of late-nursery, grower, and finishing PIC 337 × 1050 pigs. In each experiment, pens of pigs were blocked by BW and randomly assigned to 1 of 5 dietary treatments in a randomized complete block design with 19 to 27 pigs per pen and 8, 7, and 7 replications per treatment in Exp. 1, 2, and 3, respectively. In Exp. 1, 987 pigs (initially 26.0 ± 0.70 lb) were used from 26 to 54 lb. In Exp. 2, 875 …


Effects Of Feeding Finishing Pig Diets Differing In Ca:P Ratio, Added Phytase And Vitamin D Sources On Growth Performance, Weight Variation, Serum 25(Oh)D3, Carcass Characteristics, Bone Characteristics, And Economics, Hilario M. Cordoba, Jason C. Woodworth, Robert D. Goodband, Joel M. DeRouchey, Mike D. Tokach, Jordan T. Gebhardt, Jon R. Bergstrom 2023 Kansas State University, Manhattan

Effects Of Feeding Finishing Pig Diets Differing In Ca:P Ratio, Added Phytase And Vitamin D Sources On Growth Performance, Weight Variation, Serum 25(Oh)D3, Carcass Characteristics, Bone Characteristics, And Economics, Hilario M. Cordoba, Jason C. Woodworth, Robert D. Goodband, Joel M. Derouchey, Mike D. Tokach, Jordan T. Gebhardt, Jon R. Bergstrom

Kansas Agricultural Experiment Station Research Reports

A total of 2,160 grow-finish pigs (PIC 337 × 1050; initially 71.8 ± 1.4 lb) were used in a 114-d trial to determine the effects of feeding diets differing in Ca:P ratio and added phytase or phytase and 25(OH)D3(Hy-D, DSM Nutritional Products, Parsippany, NJ) on growth performance, weight variation, serum 25(OH)D3, bone characteristics, and economics. Pigs were housed in mixed gender pens with 27 pigs per pen and 20 pens per treatment. The four treatments were structured as a randomized complete block design and consisted of: 1) a high phosphorus (HP) diet formulated to a 1.25:1 …


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