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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, C. R. Stark 2019 Kansas State University

The Effect Of Pellet Mill Production Rate And Knife Distance On Pellet Quality, C. E. Evans, R. J. Beeman, M. Saensukjaroenphon, C. B. Paulk, C. R. Stark

Kansas Agricultural Experiment Station Research Reports

Longer pellet lengths may lead to decreased pellet breakage, resulting in increased pellet durability index (PDI). Thus, the objective of this experiment was to determine the effects of production rate and knife distance on pellet length and subsequent pellet quality. Treatments were arranged in a 2 × 3 factorial with two production rates (16 and 33 lb/min) and three knife distances (0.25, 0.50, and 0.75 in). All diets were conditioned at 185°F and pelleted using a CPM pellet mill (Model 1012-2 HD, California Pellet Mill Co., Crawfordsville, IN) equipped with a 0.19 in × 1.25 ...


2019 Swine Day Foreword, Etc., R. D. Goodband 2019 Department of Animal Science and Industry, Kansas State University

2019 Swine Day Foreword, Etc., R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

It is with great pleasure that we present the 2019 Swine Industry Day Report of Progress. This report contains updates and summaries of applied and basic research conducted at Kansas State University during the past year. We hope that the information will be of benefit as we attempt to meet the needs of the Kansas swine industry.


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, J. C. Woodworth 2019 Kansas State University

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, J. C. Woodworth

Kansas Agricultural Experiment Station Research Reports

Medium chain fatty acid (MCFA) application has been identified as a promising strategy to decrease viral pathogen transmission in swine feed. Four experiments were conducted to: 1) determine if MCFAs are effective when applied to feed both prior to and after porcine epidemic diarrhea virus (PEDV) inoculation measured by quantitative reverse transcription polymerase chain reaction (qRT-PCR), 2) evaluate the effects of varying amounts and combinations of MCFA measured by qRT-PCR, and 3) evaluate selected MCFA treatments in a bioassay. In Exp. 1, treatments were arranged in a 2 × 2 + 1 factorial with the main effects of chemical treatment (0.3 ...


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, R. D. Goodband 2019 Kansas State University, Manhattan

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, R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

A total of 467 sows were used in a study to evaluate the effect of feeding duration of increased lysine (Lys) and energy prior to farrowing on sow and litter performance, piglet survival, and colostrum quality. Sows were blocked by body weight and parity category on d 106 of gestation, and allotted to one of three dietary treatments: 1) 4.5 lb/d gestation feed (12.5 g SID Lys and 6.5 Mcal ME) until d 113 of gestation, then 6 lb/d lactation feed (28 g SID Lys and 9.4 Mcal ME) until parturition; 2) 4.5 ...


Effects Of Varying Lipid Sources As Alternatives To Zinc Oxide Or Carbadox On Nursery Pig Growth Performance And Fecal Consistency, P. L. Dahmer, G. E. Luebcke, A. B. Lerner, C. K. Jones 2019 Kansas State University

Effects Of Varying Lipid Sources As Alternatives To Zinc Oxide Or Carbadox On Nursery Pig Growth Performance And Fecal Consistency, P. L. Dahmer, G. E. Luebcke, A. B. Lerner, C. K. Jones

Kansas Agricultural Experiment Station Research Reports

A total of 360 weaned pigs (DNA; 241 × 600; initially 11.9 ± 0.02 lb) were used in a 35-d study evaluating the ability of varying lipid sources to replace ZnO or carbadox in early nursery pig diets. Pigs were weaned at approximately 21 days of age and allotted to pens based on initial weight in a completely randomized design to one of six dietary treatments: 1) Negative control (no added ZnO or carbadox); 2) Control + 3,000 ppm Zn from ZnO in phase 1 and 2,000 ppm Zn in phase 2; 3) Control + 50 g/ton carbadox; 4 ...


The Effects Of Cordyceps Mushroom Powder And Purified Mushroom Beta-Glucan On Nursery Pig Performance, J. Richert, M. Thayer, C. Chastain, A. Duttlinger, J. Feldpausch, R. Garcia, B. Richert, J. L. Nelssen 2019 Kansas State University

The Effects Of Cordyceps Mushroom Powder And Purified Mushroom Beta-Glucan On Nursery Pig Performance, J. Richert, M. Thayer, C. Chastain, A. Duttlinger, J. Feldpausch, R. Garcia, B. Richert, J. L. Nelssen

Kansas Agricultural Experiment Station Research Reports

One hundred thirty-two gilts and barrows (18.2 d of age) weighing an average of 13.4 lb (Duroc × (York × Landrace)) were put on test for a 35-day growth trial to assess the effects of Cordyceps mushroom powder (MP) or purified mushroom beta-glucan (BG) as an antibiotic alternative in nursery diets. There were 6 diets, negative and positive controls (NC and PC), 150 and 300 ppm mushroom powder, and 150 and 300 ppm beta-glucan equivalents to the MP diets. Pigs were divided by weight, sex, litter, and assigned to 6 body weight (BW) blocks. Within BW blocks, sex ratios were ...


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, H. Calderon Cartagena 2019 Kansas State University

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, H. Calderon Cartagena

Kansas Agricultural Experiment Station Research Reports

This trial was conducted to determine the effect of ViligenTM (Alltech, Lexington, KY), feed form (meal or pelleted) and storage time (0, 3, or 7 d) on reducing the fumonisin (FUM) concentration in diets. Three 1,000-lb batches of feed were manufactured and used as replications. Each batch was divided into 500-lb batches with or without Viligen at 0.15% of the diet. Diets were then left as a meal or pelleted and stored at room temperature for 0, 3, and 7 d to determine the reduction of FUM over time. The result indicated that there were no main ...


Effect Of Phase-Feeding Strategies On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs: Strategies To Reduce Dietary Phases Using A Field Approach On Lysine Levels, M. B. Menegat, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. DeRouchey, R. D. Goodband 2019 Kansas State University

Effect Of Phase-Feeding Strategies On Growth Performance And Carcass Characteristics Of Growing-Finishing Pigs: Strategies To Reduce Dietary Phases Using A Field Approach On Lysine Levels, M. B. Menegat, S. S. Dritz, M. D. Tokach, J. C. Woodworth, J. M. Derouchey, R. D. Goodband

Kansas Agricultural Experiment Station Research Reports

The objective of this study was to evaluate whether simplification of phase-feeding strategies using a field approach with lysine specifications slightly below the estimated requirement for maximum growth rate is possible without compromising overall performance and carcass characteristics of grow-finish pigs. A total of 1,188 pigs (PIC; 359 × 1050; initially 63.5 lb body weight (BW)) were used in a randomized complete block design with 27 pigs per pen and 11 pens per treatment under commercial research conditions. Treatments consisted of four feeding programs with lysine specifications set at 98.5% of estimated requirements for maximum growth rate and ...


Determining The Effects Of Added Xylanase On Growth Performance, Carcass Characteristics, And Economics Of Growing-Finishing Pigs, H. R. Kerkaert, J. M. DeRouchey, S. S. Dritz, R. D. Goodband, M. D. Tokach, J. C. Woodworth, H. Calderone Cartagena, M. Gonçalves 2019 Kansas State University

Determining The Effects Of Added Xylanase On Growth Performance, Carcass Characteristics, And Economics Of Growing-Finishing Pigs, H. R. Kerkaert, J. M. Derouchey, S. S. Dritz, R. D. Goodband, M. D. Tokach, J. C. Woodworth, H. Calderone Cartagena, M. Gonçalves

Kansas Agricultural Experiment Station Research Reports

A total of 1,944 mixed sex growing-finishing pigs (PIC; 337 × 1050; initial BW of 49.9 ± 1.18 lb) were used in a 131-d growth trial to determine the effects of increasing added xylanase on grow-finish pig growth performance and carcass characteristics. Pens were assigned to 1 of 6 treatments in a randomized complete block design with BW as a blocking factor. There were 12 replicate pens per treatment and 27 pigs per pen. The experimental diets were corn-soybean meal-based and were fed in 5 phases. The 6 dietary treatments were formulated to: 0, 2.3, 4.5, 9 ...


Determination Of Efficacy Of Smizyme Ts G5 2,500 Phytase In Nursery Pigs, M. R. Wensley, J. C. Woodworth, J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. Faser 2019 Kansas State University

Determination Of Efficacy Of Smizyme Ts G5 2,500 Phytase In Nursery Pigs, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. Faser

Kansas Agricultural Experiment Station Research Reports

A total of 320 nursery pigs (DNA; 241 × 600; initially 22.9 lb BW) were used in a 21-d growth trial to determine the available P (aP) release curve for Smizyme TS G5 2,500 (Origination, Inc., Saint Paul, MN). Pigs were weaned at approximately 21 d of age, randomly allotted to pens based on initial body weight (BW), and fed common starter diets. On d 21 post-weaning, considered d 0 of the study, pens were blocked by BW and randomly allotted to 1 of 8 dietary treatments with 5 pigs per pen and 8 pens per treatment. Eight 1-ton ...


Should Phytase Be Given Release Values For Amino Acids And Energy In Diets For Growing Pigs?, M. R. Wensley, J. C. Woodworth, J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. Calderon Cartagena 2019 Kansas State University

Should Phytase Be Given Release Values For Amino Acids And Energy In Diets For Growing Pigs?, M. R. Wensley, J. C. Woodworth, J. M. Derouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, H. Calderon Cartagena

Kansas Agricultural Experiment Station Research Reports

A total of 2,268 mixed gender pigs (PIC; 337 × 1050; initially 62.9 lb) were used from 2 barns in a 55-d growth trial. On d 0 of the trial, pens of pigs were blocked by weight and randomly allotted to 1 of 6 dietary treatments with 27 pigs per pen and 14 pens per treatment (7 pens per barn). Treatments were fed in 2 different phases. Phase 1 diets were fed from d 0 to 29 (62.9 to 112.6 lb) and phase 2 diets were fed from d 29 to 55 (112.6 to 159.7 ...


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, C. R. Stark 2019 Kansas State University

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, C. R. Stark

Kansas Agricultural Experiment Station Research Reports

The Holmen NHP100 (TekPro Ltd, Norfolk, UK) is a portable forced air pellet tester commonly used by the feed industry to determine the pellet durability index (PDI). The objective of this study was to determine the effect of filter type and machine warm-up time on PDI. A corn-soybean meal-based grower diet was conditioned at 185°F for 30 sec and subsequently pelleted using a laboratory pellet mill (Model CL5 California Pellet Mill Co., Crawfordsville, IN) equipped with a 0.16- × 0.5-in die. Production rate was 120 lb/h. Once cool, pellets were analyzed for PDI using the NHP100 with ...


Beaver Foraging Preferences And Impacts On Forest Structure In New York’S Adirondack Mountains, Michael Mahoney 2018 SUNY College of Environmental Science and Forestry

Beaver Foraging Preferences And Impacts On Forest Structure In New York’S Adirondack Mountains, Michael Mahoney

Honors Theses

Beavers (Castor canadensis) are ecosystem engineers, causing changes at the landscape level due to a combination of their damming and foraging activities. As beaver dam streams, create ponds, and maintain canopy openings, the comprehensive impacts of beaver constitute a rare source of ongoing disturbance in the forests of northeastern North America. Though the behaviors and impacts of beaver on riparian communities have been well studied in several forest regions, they are poorly understood within forests of the northeastern United States, where beaver populations are still rebounding following regional extirpation, and beaver impacts to the forest potentially represent an important source ...


Entrepreneur`S Guide To Starting A Rabbit Agricultural Enterprise, Mary Maldonado 2018 California Polytechnic State University, San Luis Obispo

Entrepreneur`S Guide To Starting A Rabbit Agricultural Enterprise, Mary Maldonado

Agricultural Education and Communication

At San Luis Obispo, the University Cal Ploy has an Animal Science Department that offers over twenty enterprises pertaining to livestock production which “provide the environment for students to get outside the classroom and work with the animals in teams of students” (Cal Poly 2017-19). As reported from the “Animal Science Department Enterprise Class List”, the classes involved help develop technical skills by having students learn and work in active production settings with livestock such as cows, steers, pigs, lambs, goats, and chickens (Animal Science Department 2017-19). However, when compared to the livestock accounted for at a traditional county fair ...


Safety, Stephen M. Vantassel, Brenda K. Osthus 2018 Wildlife Control Consultant, LLC Lewistown, Montana

Safety, Stephen M. Vantassel, Brenda K. Osthus

Wildlife Damage Management Technical Series

Wildlife damage management (WDM) is an exciting field with many opportunities to provide solutions to the complex issues involved in human-wildlife interactions. In addition, WDM wildlife control operators (WCO) face a variety of threats to their physical well-being. Injuries can result from misused (Figure 1), faulty, or poorly maintained equipment, inexperience, mishandled wildlife, harsh weather, and dangerous situations, such as electrical lines. The goals of this publication are to: * Develop an awareness of safety issues and adopt a mindset of “Safety First”, * Review the major safety threats that WCOs face, * Provide basic information for WCOs to protect themselves, and * List ...


Temperature And Polyunsaturated Fatty Acid’S Effect On Daphnia Magna Reproduction, Mark Albright 2018 East Tennessee State University

Temperature And Polyunsaturated Fatty Acid’S Effect On Daphnia Magna Reproduction, Mark Albright

Electronic Theses and Dissertations

Organisms adapt to their environments by adjusting their biochemistry and physiology; such adaptation is limited by resource availability and physiological constraints. The freshwater crustacean Daphnia magna inhabits a wide range of environments and must survive and reproduce within a range of temperatures. One limit to low-temperature adaptation is thought to be the availability of unsaturated fatty acids necessary to maintain proper fluidity of cellular membranes. D. magna maintained at 10 ºC on a diet poor in unsaturated fatty acids have been observed to produce clutches that fail to develop. However, this has not been observed on a diet rich in ...


Surveillance And Evaluation Of Manure Treatment Practices For Mitigation Of The Porcine Epidemic Diarrhea Virus (Pedv) In A Commercial Swine Farm Setting, Erin Boyles 2018 University of Nebraska - Lincoln

Surveillance And Evaluation Of Manure Treatment Practices For Mitigation Of The Porcine Epidemic Diarrhea Virus (Pedv) In A Commercial Swine Farm Setting, Erin Boyles

Theses and Dissertations in Animal Science

The emergence of the porcine epidemic diarrhea virus (PEDv) in the United States in 2013 resulted in billions of dollars in annual losses for the U.S. swine industry. Infection with PEDv causes severe diarrhea and vomiting in pigs, spreads rapidly through ingestion of infected manure, and produces nearly 100% mortality in pre-weaned piglets. Because swine manure slurry is a valuable crop nutrient source, concerns about virus persistence in stored manure remain a major barrier to proper manure management. Proper manure handling and application practices are necessary to control the risk of pathogen re-infection at affected production sites or infecting ...


Effects Of Parafluvial Flows On Interstitial Ammonia And Freshwater Mussels In The Buffalo National River, David Alan Johnson 2018 Missouri State University

Effects Of Parafluvial Flows On Interstitial Ammonia And Freshwater Mussels In The Buffalo National River, David Alan Johnson

MSU Graduate Theses

Freshwater mussel populations and distributions have declined over the past several decades in the Buffalo River, Arkansas. Among many possible causes, this study tested the hypothesis that ammonia concentrations in parafluvial flows through gravel bars might be high enough to impair the survival and growth of juvenile mussels. Ammonia, pH, temperature, and dissolved oxygen were measured in interstitial and water column samples from gravel bars to test for possible longitudinal gradients. Samples were taken along 3 large bars at locations within the Buffalo National River, at approximate bi-weekly intervals between June and September of 2010. Water sample ammonia concentrations were ...


Profitability Of Developing Beef Heifers On Stockpiled Winter Forages, Zachary David McFarlane, Chris Boyer, J. Travis Mulliniks 2018 California Polytechnic State University, San Luis Obispo

Profitability Of Developing Beef Heifers On Stockpiled Winter Forages, Zachary David Mcfarlane, Chris Boyer, J. Travis Mulliniks

Journal of Applied Farm Economics

We estimate the profitability of developing heifers on one stockpiled cool-season grass and two stockpiled warm-season grasses during the winter months by comparing distributions of net present value (NPV) over an 11-year useful life. Furthermore, distributions of payback period and the break-even price for each calf over the heifer’s production life were generated for each forage species. These results are compared across forages as well as to a simulated drylot system for heifer development. Data comes from a grazing experiment in Tennessee, where heifers grazed big bluestem and Indian grass combination (BBIG), switchgrass (SW), or endophyte-infected tall fescue (TF ...


Automatic Identification Of Animals In The Wild: A Comparative Study Between C-Capsule Networks And Deep Convolutional Neural Networks., Joel Kamdem Teto, Ying Xie 2018 Kennesaw State University

Automatic Identification Of Animals In The Wild: A Comparative Study Between C-Capsule Networks And Deep Convolutional Neural Networks., Joel Kamdem Teto, Ying Xie

Master of Science in Computer Science Theses

The evolution of machine learning and computer vision in technology has driven a lot of

improvements and innovation into several domains. We see it being applied for credit decisions, insurance quotes, malware detection, fraud detection, email composition, and any other area having enough information to allow the machine to learn patterns. Over the years the number of sensors, cameras, and cognitive pieces of equipment placed in the wilderness has been growing exponentially. However, the resources (human) to leverage these data into something meaningful are not improving at the same rate. For instance, a team of scientist volunteers took 8.4 ...


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