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Articles 91 - 120 of 4910
Full-Text Articles in Life Sciences
Effect Of Corn Type And Form Of Supplement On Grazing Steers – Year 2, Jaymelynn K. Farney, Harley Allen, Larissa Muniz
Effect Of Corn Type And Form Of Supplement On Grazing Steers – Year 2, Jaymelynn K. Farney, Harley Allen, Larissa Muniz
Kansas Agricultural Experiment Station Research Reports
Eighty stocker steers were grazed on bromegrass from the end of May to the middle of August and were provided five different feeds while on grass during the summer. Treatments evaluated included (1) mineral only; (2) free-choice supplementation in the form of liquid feed (MIX30) or (3) block format (Mintrate 40 Red); and hand-fed supplements of 60% corn:40% dried distillers grains at 0.5% of body weight on a dry matter basis offered daily where the corn was either an (4) isoline corn (ISO; parent genetic line) or (5) Enogen feed corn (ENO; includes alpha-amylase gene). Steers were weighed every 28 …
Hard Red And Soft Red Winter Wheat Variety Testing - 2023, Gretchen F. Sassenrath, Jane Lingenfelser, Xiaomao Lin
Hard Red And Soft Red Winter Wheat Variety Testing - 2023, Gretchen F. Sassenrath, Jane Lingenfelser, Xiaomao Lin
Kansas Agricultural Experiment Station Research Reports
This is a summary of the winter wheat production conditions in southeast Kansas in 2021-2022 and the results of the winter wheat variety testing. Wheat production in 2022 benefited from dry conditions at flowering and harvest. Overall yields of hard red wheat were above multi-year averages, while soft red wheat yields were below the 15-year average. As in previous years, soft red winter wheat out-yielded hard red winter wheat varieties, but the extent was not as dramatic as in previous years.
Improving Resilience Of Corn To Weather Through Improved Fertilizer Efficiency, Na Huang, Gretchen F. Sassenrath, Xiaomao Lin
Improving Resilience Of Corn To Weather Through Improved Fertilizer Efficiency, Na Huang, Gretchen F. Sassenrath, Xiaomao Lin
Kansas Agricultural Experiment Station Research Reports
Fertilization is a critical management tool to improve crop productivity. Corn requires more N fertilizer than some other crops, but the fertility needs of the crop vary based on the growing environment. In this study, we used a modeling approach to examine the historical record and delineate the interaction between fertilizer and weather on the sensitivity of corn yield to climate in southeastern Kansas. Providing optimal fertilizer can improve corn yield. However, too much fertilizer can be expensive and wasteful. This study demonstrated that the climate resilience of corn is moderated by how much fertilizer is applied. The model results …
Yield And Forage Quality On Native Meadows As Affected By Burn And Fertilization Management, Junior I. Yasuoka, Dale Helwig, Walter H. Fick, Bruno C. Pedreira
Yield And Forage Quality On Native Meadows As Affected By Burn And Fertilization Management, Junior I. Yasuoka, Dale Helwig, Walter H. Fick, Bruno C. Pedreira
Kansas Agricultural Experiment Station Research Reports
Native meadows are widely used by producers in southeast Kansas. However, there are few studies about management practices to improve agronomic performance in southeast Kansas. This study evaluated the spring burn effect combined with the application of lime, nitrogen, phosphorus, and potassium on yield and forage quality in native meadows. Yield and forage quality on native meadows were not affected by lime application, or P and K fertilization in the first year of the study. However, N fertilization increased yield, crude protein, and total digestible nutrients when associated with spring burn.
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, Bruno C. Pedreira
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, Bruno C. Pedreira
Kansas Agricultural Experiment Station Research Reports
A study in tall fescue hayfields infested with broomsedge and bluestem was conducted at four locations in southeast Kansas. The purpose of this study was to evaluate how phosphorus, nitrogen, and potassium fertilization affect yield, forage quality, and broomsedge/bluestem control in tall fescue hayfields. This trial will be repeated in 2023.
2021 Kansas State University Industrial Hemp Dual-Purpose Variety And Planting Date Trials, Kraig Roozeboom, Jason Griffin, Andrew Euler, Ike Bahr, Brian Owuoche
2021 Kansas State University Industrial Hemp Dual-Purpose Variety And Planting Date Trials, Kraig Roozeboom, Jason Griffin, Andrew Euler, Ike Bahr, Brian Owuoche
Kansas Agricultural Experiment Station Research Reports
Hemp is a broad term used to describe the many varieties ofCannabis sativaL. that produce less than 0.3% tetrahydrocannabinol (THC). The crop is globally significant, but only recently was allowed to be grown again in the United States. There are many uses for industrial hemp, and the market for industrial hemp is rapidly growing as more states are legalizing its production. The market for industrial hemp exceeded $205 million in 2020 and could surpass $310 million by 2028 (Global Market Insights Inc., 2020). The main components of the industrial hemp market are oil, seeds, and fiber. Varieties have …
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, I. A. Ciampitti
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, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Canola yield production is driven by the balance between source (leaves) and sink (pods and seeds) activity during the reproductive period of a crop. However, previous literature has not reported the impact of source-sink limitations under different nitrogen (N) supplies, and its effect on seed filling. Therefore, the objectives of this study were to 1) explore the impact of source-sink manipulations during the seed filling period and its main parameters: duration and rate; and 2) understand the interactions between N supply and source-sink manipulations to explain variations in seed weight. With these objectives, a field experiment was conducted during 2019–2020 …
Planting Green: Potential Benefits And Disadvantages Of Planting Corn Into Live Cereal Rye Cover Crop, A. Correira, P. Tomlinson, D. Presley
Planting Green: Potential Benefits And Disadvantages Of Planting Corn Into Live Cereal Rye Cover Crop, A. Correira, P. Tomlinson, D. Presley
Kansas Agricultural Experiment Station Research Reports
Although cover crops are typically terminated 2–4 weeks prior to cash crop planting, there may be situations where late-burndown or planting into a living cover crop (planting green) may be necessary or even beneficial. This experiment investigated the effect of cover crop termination date on corn (Zea mays) yield and the presence of beneficial insects. Three different termination dates were tested: 4 weeks prior to planting (brown), 7 to 14 days prior to planting (green-brown), and at planting (green), as well as a check treatment with no cover crop planted. The site year by termination date interaction was …
Effect Of Early Planting On Soybean Yield: 2022 Growing Season, E. Adee, S. Dooley, B. Pedreira
Effect Of Early Planting On Soybean Yield: 2022 Growing Season, E. Adee, S. Dooley, B. Pedreira
Kansas Agricultural Experiment Station Research Reports
In an effort to increase soybean yield potential, early planting dates have been promoted as a management practice that can increase yield of soybeans. Early planting of soybeans can be a relative term, meaning late April/early May for some soybean producers in Kansas, but this definition of early planted soybeans is late March/early April. Theoretically, the earlier planting date could allow for more vegetative growth and interception of more light before blooming, increasing the yield potential. With the improvement of soybean seed treatments to protect seed when emergence is slowed due to cool and wet conditions, the early planting may …
Previous Crop Impacts Winter Wheat Sowing Dates, Available Water At Sowing, And Grain Yield, L. M. Simão, A. Patrignani, S. Cominelli, R. P. Lollato
Previous Crop Impacts Winter Wheat Sowing Dates, Available Water At Sowing, And Grain Yield, L. M. Simão, A. Patrignani, S. Cominelli, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
Cropping systems choices can directly affect the sowing date for winter wheat, which is among the most important variables that determine attainable yields in the U.S. Central Great Plains. Our objective was to investigate the effect of the previous crop on winter wheat grain yield through the modulation of sowing date and its impact on plant available water at sowing, and temperatures during the critical period for yield determination. A no-tillage rainfed field experiment was established in 2019 at Ashland Bottoms, KS. Winter wheat was sown either after summer fallow, full-season soybean, double-cropped soybean, or corn—thus, resulting in a range …
Tillering Potential And Stability Of Winter Wheat Varieties Commonly Grown In Kansas, L. O. Pradella, R. P. Lollato
Tillering Potential And Stability Of Winter Wheat Varieties Commonly Grown In Kansas, L. O. Pradella, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
The tillering potential and stability of winter wheat (Triticum aestivumL.) can be positive traits by conferring adaptation to distinct production environments. The literature demonstrates a high correlation between the tillering potential and many yield components. However, the actual impact of tillering potential on grain yield is not clear. Our goal was to quantify the tillering potential and stability of a range of winter wheat varieties. Field experiments were conducted in six locations in the state of Kansas during the 2021–2022 season. A complete factorial treatment structure of twenty-five winter wheat varieties by two seeding rates (400,000 seeds per …
Increasing Winter Wheat Grain Yield By Replicating The Management Adopted In High-Yielding Commercial Fields In Kansas During 2021–2022, L. Ryan, L. Haag, J. D. Holman, R. P. Lollato
Increasing Winter Wheat Grain Yield By Replicating The Management Adopted In High-Yielding Commercial Fields In Kansas During 2021–2022, L. Ryan, L. Haag, J. D. Holman, R. P. Lollato
Kansas Agricultural Experiment Station Research Reports
Large winter wheat (Triticum aestivum) yield gaps between actual yields from farmers and yield potential in the U.S. Great Plains indicate the need to improve recommendations of best management strategies to profitably bridge these gaps. Many studies have compared individual management factors pre-determined by the individual researcher, but we are not aware of studies comparing combination of practices that producers are currently using, which would be more relevant for real-world scenarios. Our objective was to determine the yield gains resulting from management intensification using the combination of practices currently adopted in commercial wheat fields. Four management intensities (i.e., …
Kansas Field Research 2023
Kansas Agricultural Experiment Station Research Reports
A summary of research conducted in 2021-2023 on field production and management practices for crops in Kansas. Published in 2023 from the Kansas State University Agricultural Experiment Station and Cooperative Extension Service.https://www.ag.k-state.edu/
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, Chad B. Paulk
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, Chad B. Paulk
Kansas Agricultural Experiment Station Research Reports
Pelleting of feed has been demonstrated to be an effective mitigation strategy for porcine epidemic diarrhea virus (PEDV) contaminated feed but has not been evaluated for other endemic swine viruses like porcine reproductive and respiratory syndrome virus (PRRSV) or Seneca Valley virus 1 (SVV1). Therefore, the objective of this experiment was to evaluate the efficacy of pelleting to inactivate PEDV, PRRSV, and SVV1 inoculated feed. Ten replicates were conducted in the Cargill Feed Safety Research Center at Kansas State University (K-State) using a pilot scale mixer, bucket elevator, pellet mill (including conditioner and die), and cooler. First, a virus negative …
2022 Fertilizer Station Weather Report, Matthew Sittel
2022 Fertilizer Station Weather Report, Matthew Sittel
Kansas Agricultural Experiment Station Research Reports
This report includes the annual summary of precipitation and temperatures from 2022 at the research locations represented in the 2023 fertilizer report.
Tillage Intensity In A Long-Term Wheat-Sorghum-Fallow Rotation, Lucas A. Haag, Amanda Burnett, Dewayne Bond, Jeffrey Slattery, Alan Schlegel
Tillage Intensity In A Long-Term Wheat-Sorghum-Fallow Rotation, Lucas A. Haag, Amanda Burnett, Dewayne Bond, Jeffrey Slattery, Alan Schlegel
Kansas Agricultural Experiment Station Research Reports
This study was initiated in 1991 at the Kansas State University Southwest Research-Extension Center near Tribune, KS. The purpose of the study was to identify the effects of tillage intensity on precipitation capture, soil water storage, and grain yield in a wheat-sorghum-fallow rotation. Grain yields of wheat and grain sorghum increased with decreased tillage intensity in a wheat-sorghumfallow (WSF) rotation. In 2022, available soil water at sorghum planting was greater for no-tillage (NT) than reduced tillage (RT), which was greater than conventional tillage (CT). For wheat there was a similar pattern as sorghum, with available soil water at wheat planting …
Assessing The Influence Of Strategic Tillage On Crop Yields And Soil Properties In Dryland No-Tillage Systems, Mikaela A. Lawrence, Augustine K. Obour, John D. Holman, Logan M. Simon, Lucas A. Haag, Kraig L. Roozeboom
Assessing The Influence Of Strategic Tillage On Crop Yields And Soil Properties In Dryland No-Tillage Systems, Mikaela A. Lawrence, Augustine K. Obour, John D. Holman, Logan M. Simon, Lucas A. Haag, Kraig L. Roozeboom
Kansas Agricultural Experiment Station Research Reports
Implementing strategic tillage (ST) in otherwise long-term no-till (NT) systems could control herbicide resistant weeds and increase profitability of crop production in semi-arid dryland cropping systems. For the purpose of this study, ST is defined as a single tillage event (once every 6-10 years) in an otherwise NT system to reduce density of herbicide tolerant grass weeds. However, there is little information on the long-term (>5 years) effects of ST on soil health parameters and crop yields. This study used long-term tillage and crop rotation plots established in 1976 at the Kansas State University Agriculture Research Center in Hays, …
Depth Of Moist Soil At Planting Affected Grain Sorghum Response To Nitrogen Fertilizer, Augustine K. Obour, John D. Holman, Yared Assefa Mulisa
Depth Of Moist Soil At Planting Affected Grain Sorghum Response To Nitrogen Fertilizer, Augustine K. Obour, John D. Holman, Yared Assefa Mulisa
Kansas Agricultural Experiment Station Research Reports
The depth of moist soil before planting is a critical factor for grain crop production in dryland cropping systems. We investigated depth of moist soil at planting and nitrogen (N) fertilizer application effects on continuous grain sorghum yields on a Crete silt loam soil over 32 years in western Kansas. Treatments were four N rates (0, 20, 40, and 60 lb/a) in a randomized complete block design with four replications and depth of moist soil at planting determined with a Paul Brown moisture probe. Grain sorghum yield response to N fertilizer application was -0.10, 14.4, 29.3, and 36.5 lb of …
Reviton And Vida With Tank Mixtures For Fallow Weed Control, Randall S. Currie, Patrick W. Geier
Reviton And Vida With Tank Mixtures For Fallow Weed Control, Randall S. Currie, Patrick W. Geier
Kansas Agricultural Experiment Station Research Reports
In search of techniques to reduce irrigation water use in the Ogallala Aquifer region, several deficit irrigation techniques were evaluated in corn and cotton production. Several iterations of deficit irrigation (based on ET), including partial root-zone deficit (PRD) and regulated deficit irrigation (RDI) treatments, were implemented in the 2021 and 2022 summer season. Corn and cotton did respond to the different deficit irrigation treatments. Significant yield advantages were observed in fixed PRD on both crops while RDI also showed some yield advantage for corn.
Efficacy And Crop Response With Firstact In Accase-Tolerant Grain Sorghum, Randall S. Currie, Patrick W. Geier
Efficacy And Crop Response With Firstact In Accase-Tolerant Grain Sorghum, Randall S. Currie, Patrick W. Geier
Kansas Agricultural Experiment Station Research Reports
This research was conducted to determine the efficacy of quizalofop (FirstAct) herbicide in herbicide-tolerant grain sorghum. FirstAct herbicide was evaluated for efficacy and crop response in Double Team (ACCase-tolerant) sorghum. All herbicides controlled Palmer amaranth 90% or more and volunteer corn 95% or more late in the season. Johnsongrass control was 86 to 91%. Minor sorghum injury early in the season did not persist. Sorghum receiving FirstAct late postemergence yielded more grain than the nontreated control or sorghum receiving Parallel Plus preemergence.
Evaluation Of Specialty Soybean Products And Organic Acids To Alter Nursery Dietary Acid-Binding Capacity-4 On Pig Performance And Fecal Dry Matter, Ethan B. Stas, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt
Evaluation Of Specialty Soybean Products And Organic Acids To Alter Nursery Dietary Acid-Binding Capacity-4 On Pig Performance And Fecal Dry Matter, Ethan B. Stas, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt
Kansas Agricultural Experiment Station Research Reports
A total of 300 pigs (241 × 600, DNA; initially 12.4 lb) were used to evaluate specialty soybean products and organic acids to alter the acid-binding capacity-4 (ABC-4) level of the diet on nursery pig performance and fecal dry matter (DM). At weaning, pigs were allotted to 1 of 6 dietary treatments. Diet 1 was formulated with 12.0% specialty soy protein concentrate (AX3 Digest; Protekta; Plainfield, IN), 1.06% citric acid, and 0.5% fumaric acid to achieve an ABC-4 of 223 meq/kg. Diets 2 and 3 were the same as diet 1 except citric and fumaric acid were reduced by 50 …
Effects Of Zinc Source And Level In Low Abc-4 Diets On Nursery Pig Growth Performance And Fecal Characteristics, Jonathan Riedmüller, Jamil E. G. Faccin, Alessandra R. Monteiro, JüRgen Zentek, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth, Mike D. Tokach
Effects Of Zinc Source And Level In Low Abc-4 Diets On Nursery Pig Growth Performance And Fecal Characteristics, Jonathan Riedmüller, Jamil E. G. Faccin, Alessandra R. Monteiro, JüRgen Zentek, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth, Mike D. Tokach
Kansas Agricultural Experiment Station Research Reports
A total of 360 weanling barrows (DNA 200 × 400; initially 13.0 ± 0.07 lb) were used in a 38-d study to evaluate the effects of diets containing different levels of a novel Zn source (HiZox, Animine Precision Minerals, Annecy, France) and different levels of crude protein (CP) in low acid-binding capacity at pH 4 (ABC-4) diets on growth performance and fecal characteristics. Pigs were randomly assigned to pens (5 pigs per pen) and pens were assigned to 1 of 6 treatments with 12 pens per treatment. Diets were fed in 3 phases: phase 1 from d 0 to 10, …
Partial Replacement Of Vitamin E With Polyphenol In Nursery Pig Diets, Zhong-Xing Rao, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Apoorva S. Shah, Brandon H. Foley, Karsten C. Kjeldsen, Grete Brunsgaard, Robert D. Goodband, Jordan T. Gebhardt
Partial Replacement Of Vitamin E With Polyphenol In Nursery Pig Diets, Zhong-Xing Rao, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Apoorva S. Shah, Brandon H. Foley, Karsten C. Kjeldsen, Grete Brunsgaard, Robert D. Goodband, Jordan T. Gebhardt
Kansas Agricultural Experiment Station Research Reports
A total of 300 pigs (241 × 600 DNA; initially 13.1 lb) were used in a 42-d trial to determine the effects of vitamin E levels and partially replacing vitamin E with a polyphenol (Cabanin CSD; R2 Agro, Denmark) on growth performance, complete blood count (CBC), serum thiobarbituric acid reactive substances (TBARS), superoxide dismutase (SOD), and cytokine panel. Sixty pens of pigs were weighed and allotted to 1 of 5 dietary treatments in a completely randomized design with 12 pens per treatment. A control treatment was formulated to provide 15 IU/kg of vitamin E equivalence from vitamin E. This control …
Effect Of The Feed Additive Fytera Start On Growth Performance And Stool Quality Of Nursery Pigs Fed Nutritional And Pharmacological Copper And Zinc Diets, Ty H. Kim, Jason C. Woodworth, Mike D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Chris P. A. Van De Ligt
Effect Of The Feed Additive Fytera Start On Growth Performance And Stool Quality Of Nursery Pigs Fed Nutritional And Pharmacological Copper And Zinc Diets, Ty H. Kim, Jason C. Woodworth, Mike D. Tokach, Joel M. Derouchey, Robert D. Goodband, Jordan T. Gebhardt, Chris P. A. Van De Ligt
Kansas Agricultural Experiment Station Research Reports
A total of 340 barrows (DNA 200 × 400; initially 13.4 ± 0.17 lb BW) were used in a 38-d growth study to determine the effect of Fytera Start (Selko, Indianapolis, IN) in diets with or without pharmacological levels of Zn and Cu on growth performance and stool quality of nursery pigs. Fytera Start is a blend of botanical extracts that has recently been introduced for use in nursery pig diets. Pigs were weaned at approximately 21 d of age, randomly allotted to pens based on initial BW, and then allotted to 1 of 4 dietary treatments in a completely …
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, Jordan T. Gebhardt
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, Jordan T. Gebhardt
Kansas Agricultural Experiment Station Research Reports
A total of 1,512 pigs (Line 337 × 1050 PIC; initially 10.4 lb) were used to evaluate lactose level and whey permeate form on nursery pig performance in a commercial environment. Pigs were weaned at approximately 19 d of age and were allotted to 1 of 4 dietary treatments arranged in a 2 × 2 factorial utilizing low or high lactose levels with either granular whey permeate (Dairylac 80, International Ingredients Corporation, Fenton, MO) or spray-dried whey permeate. There were 27 pigs per pen and 14 replications per treatment. Pigs were fed experimental diets in two phases with phase 1 …
Evaluating The Effects Of Hiphorius Phytase Added In Diets At Or Below The P Requirement On Nursery Pig Growth Performance And Bone Mineralization, Macie E. Reeb, Jason C. Woodworth, Joel M. Derouchey, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, Jon R. Bergstrom
Evaluating The Effects Of Hiphorius Phytase Added In Diets At Or Below The P Requirement On Nursery Pig Growth Performance And Bone Mineralization, Macie E. Reeb, Jason C. Woodworth, Joel M. Derouchey, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt, Jon R. Bergstrom
Kansas Agricultural Experiment Station Research Reports
A total of 297 pigs (DNA 241 × 600; initially 8.64 ± 0.181 kg) were used in a 21-d trial to determine the effects of HiPhorius phytase on growth performance and bone characteristics. Pens of pigs were assigned to 1 of 5 treatments in a randomized complete block design with 5 pigs per pen and 12 replications per treatment. The first three diets were formulated to contain 0.09% aP; without added phytase (control), or the control diet with 600 or 1,000 FYT/kg of added phytase (considering a release of 0.15 or 0.18% aP, respectively). The remaining two diets were formulated …
Effects Of Standardized Ileal Digestible Tryptophan 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
Effects Of Standardized Ileal Digestible Tryptophan 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 these experiments was to evaluate the impact of varying SID Trp:Lys ratios on growth performance, removals, and mortality rates of PIC 337 × 1050 finishing 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 22 to 27 pigs per pen and 6 or 7 replications per treatment. In Exp. 1, 840 pigs (initially 101.2 ± 2.08 lb) were used from 101 to 161 lb. In Exp. 2, 801 pigs (initially 219.8 ± 3.44 lb) were used from 220 to …
Evaluation Of Phase Feeding And Complete Diet Blending At Different Standardized Ileal Digestible Lysine Levels On Growing-Finishing Pigs’ Growth Performance, Carcass Characteristics, And Diet Economics, Ron Aldwin S. Navales, Mike D. Tokach, Dwayne A. Krogstad, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Evaluation Of Phase Feeding And Complete Diet Blending At Different Standardized Ileal Digestible Lysine Levels On Growing-Finishing Pigs’ Growth Performance, Carcass Characteristics, And Diet Economics, Ron Aldwin S. Navales, Mike D. Tokach, Dwayne A. Krogstad, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Kansas Agricultural Experiment Station Research Reports
A total of 2,160 mixed-gender pigs (PIC 337 × 1050; initially 54.8 ± 9.4 lb) were used in the 120-d study to compare feeding strategies (phase feeding vs. complete diet blending) at different SID Lys levels (90 vs. 100% of requirement estimates) on finishing pig growth performance, carcass characteristics, and economics. Pens of pigs were randomly assigned to 1 of 4 treatments following a completely randomized block design with barn and initial body weight as blocking factors. The treatments included two feeding programs, a 5-phase feeding strategy at either 90% (Phase-90) or 100% of SID Lys requirement estimates (Phase-100); or …
Diagnostic Survey Of Biological Measurements Used To Determine Bone Mineralization In Pigs Across The Us Swine Industry, Hadley R. Williams, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jon R. Bergstrom, Michael C. Rahe, Christopher L. Siepker, Panchan Sitticharoenchai, Jordan T. Gebhardt
Diagnostic Survey Of Biological Measurements Used To Determine Bone Mineralization In Pigs Across The Us Swine Industry, Hadley R. Williams, Mike D. Tokach, Jason C. Woodworth, Joel M. Derouchey, Robert D. Goodband, Jon R. Bergstrom, Michael C. Rahe, Christopher L. Siepker, Panchan Sitticharoenchai, Jordan T. Gebhardt
Kansas Agricultural Experiment Station Research Reports
Pigs from 64 commercial sites across 14 production systems in the Midwest US were used to evaluate the baseline biological measurements used to determine bone mineralization. Three pigs were selected from each commercial site representing: 1) a clinically normal pig (healthy); 2) a pig with evidence of clinical lameness (lame); and 3) a pig from a hospital pen that is assumed to have recent low feed intake (unhealthy). Pigs ranged in age from nursery to market weight, with the three pigs sampled from each site representing the same age or phase of production. Blood, urine, metacarpal, fibula, 2nd rib, and …
Evaluating The Effects Of Soybean Meal Levels And Valine, Isoleucine, And Tryptophan Adjustment In Diets With Or Without Dried Distillers Grain Solubles On Finishing Pig Performance And Carcass Characteristics, Macie E. Reeb, Jason C. Woodworth, Joel M. Derouchey, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt
Evaluating The Effects Of Soybean Meal Levels And Valine, Isoleucine, And Tryptophan Adjustment In Diets With Or Without Dried Distillers Grain Solubles On Finishing Pig Performance And Carcass Characteristics, Macie E. Reeb, Jason C. Woodworth, Joel M. Derouchey, Mike D. Tokach, Robert D. Goodband, Jordan T. Gebhardt
Kansas Agricultural Experiment Station Research Reports
A total of 1,080 pigs (PIC 337 × 1050; initially 58.4 ± 1.26 lb) were used in this 121-d experiment to determine the effects of added soybean meal (SBM) versus using an amino acid (AA) adjustment in diets with dried distillers grains with solubles (DDGS) on growth performance and carcass characteristics. Pens were randomly assigned to 1 of 4 dietary treatments in a completely randomized design. There were 27 pigs per pen and 10 replications per treatment. Treatments diets consisted of: 1) a control diet containing high SBM with no DDGS; 2) DDGS-based diet with a medium level of SBM; …