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Articles 1 - 30 of 4903
Full-Text Articles in Life Sciences
Post-Weaning Feed Intake And Performance Of Bulls Developed In An Automated Feed Intake Management System, J. Wyatt L. Banks, Karol E. Fike, Jason M. Warner
Post-Weaning Feed Intake And Performance Of Bulls Developed In An Automated Feed Intake Management System, J. Wyatt L. Banks, Karol E. Fike, Jason M. Warner
Kansas Agricultural Experiment Station Research Reports
Objective: Our objectives were to compare expected and observed dry matter intake (DMI) and average daily gain (ADG) using modeled nutrient requirement equations, and to evaluate change in DMI over time of beef bull calves fed in an automated feed intake system.
Study Description: Feed intake and performance data from purebred Angus, Hereford, and Simmental bull calves across two calf crops [birth years 2021 (n = 40) and 2022 (n = 37)] were utilized for this analysis. Projected DMI and ADG were calculated for each group of bulls by year on an individual basis using the Growing Bull module of …
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, Travis G. O'Quinn
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, Travis G. O'Quinn
Kansas Agricultural Experiment Station Research Reports
Objective: Using beef strip loins steaks, evaluate six common thawing methods and assess the quality attributes through a trained panelist evaluation and an array of instrumental quality measures.
Study Description: Paired Low Choice strip loins (n = 15) were collected from a beef packing facility. The paired loins were fabricated into 1-in steaks and blocked into six blocks of four steaks. Each block was assigned a different thawing method, and each steak within the block a test, then aged 21 days and frozen. Thaw methods consisted of the four USDA-approved thaw methods: refrigerator (REF), cold water (CW), microwave (MIC), cooking …
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, Dale A. Blasi
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, Dale A. Blasi
Kansas Agricultural Experiment Station Research Reports
Objective: The objective of our experiment was to determine if bunk allotments of 6, 10, 14, or 18 in per head in pens containing 18 to 28 head impacts growth performance of growing calves limit-fed a high-energy diet based on corn and corn co-products.
Study Description: A total of 332 crossbred heifers were blocked by source, stratified by individual arrival weight, and assigned to a pen. Pens were randomly assigned to one of four treatments: 6, 10, 14, and 18 in of bunk space per head. Pens contained 18 to 28 head per pen. Heifers were limit-fed once daily at …
Kansas State University Feedlot Boot Camp And Teaching Program: Growing Student Interest And Engagement In The Feedlot Industry, Danielle M. Stock, Pete Anderson, Karol E. Fike
Kansas State University Feedlot Boot Camp And Teaching Program: Growing Student Interest And Engagement In The Feedlot Industry, Danielle M. Stock, Pete Anderson, Karol E. Fike
Kansas Agricultural Experiment Station Research Reports
Objective: Our objectives were to summarize the development and structure of the Kansas State University Feedlot Boot Camp and Teaching Program and examine student interest in careers in the feedlot industry after participation.
Study Description: Since 2019, 95 Kansas State University College of Agriculture undergraduate students participated in the Feedlot Boot Camp Program. The aim was to develop students’ knowledge, skills, and professional relationships in feedlot management to help meet the critical need for trained professionals in the industry. Components are a four-day Feedlot Boot Camp, student presentations, animal health day, and an optional feedlot internship. Students who completed all …
Supplementation Of Methionine Or Choline Did Not Improve Health Or Growth Performance In High-Risk, Newly Received Beef Heifers, Madeline S. Grant, Dale A. Blasi, Evan C. Titgemeyer
Supplementation Of Methionine Or Choline Did Not Improve Health Or Growth Performance In High-Risk, Newly Received Beef Heifers, Madeline S. Grant, Dale A. Blasi, Evan C. Titgemeyer
Kansas Agricultural Experiment Station Research Reports
Objective: This study was conducted to determine if supplemental methionine or choline improves health or growth performance in high-risk, newly received beef heifers.
Study Description: In a 3-year experiment, 1,440 beef heifers (480 per year; 493 lb initial weight; Tennessee origin) were received in 15 truckloads (five per year) in October of 2020, 2021, and 2022. Heifers were limit-fed in 60-day receiving trials to evaluate the effects of supplemental methionine or choline on health and growth performance. Cattle received one of five treatments: control (no added methionine or choline); 5 or 15 g/day available methionine (8.33 or 25 g/day Smartamine …
Greato+ Supplementation Leads To Greater Proportions Of Omega-3 Fatty Acids In The Small Intestines Of Holstein Steers, Ross L. Thorn, James S. Drouillard
Greato+ Supplementation Leads To Greater Proportions Of Omega-3 Fatty Acids In The Small Intestines Of Holstein Steers, Ross L. Thorn, James S. Drouillard
Kansas Agricultural Experiment Station Research Reports
Objective: This study aimed to determine if supplementation of GreatO+, an extruded blend of flaxseed and microalgae (NBO3, Manhattan, KS), in Holstein steers would lead to greater amounts of fatty acids, particularly omega-3s, in the small intestines.
Study Description: This study utilized 12 cannulated Holstein steers assigned to two treatments: with or without supplementation of GreatO+ as a source of omega-3 fatty acids. Two periods were utilized, consisting of a 15-day adaptation interval and a four-day collection interval. After the end of the collection period, each steer was transitioned to the other treatment for the second period. …
The Effects Of Seasonal Prescribed Burning On Flint Hills Dung Beetle (Scarabaeinae) Populations, Herman Griese, Andrea Salazar, Victoria Pickens, Cassandra Olds
The Effects Of Seasonal Prescribed Burning On Flint Hills Dung Beetle (Scarabaeinae) Populations, Herman Griese, Andrea Salazar, Victoria Pickens, Cassandra Olds
Kansas Agricultural Experiment Station Research Reports
Objective: This study aimed to determine if the season of prescribed burning impacted dung beetle communities on pastures grazed by cattle in the Flint Hills.
Study Description: Dung beetle populations at the Kansas State University Beef Stocker unit were sampled biweekly for three months over the summer grazing period to determine if beetle populations varied between spring, summer, or fall burned pastures.
Results: At least eight species of dung beetles were identified with a total of 8,646 dung beetles collected. Dung beetle populations were not different (P > 0.05) between spring, summer, and fall burned pastures although peak beetle populations …
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, A. J. Tarpoff
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, A. J. Tarpoff
Kansas Agricultural Experiment Station Research Reports
Objective: To determine the least detrimental castration technique in terms of growth performance when castrating cattle upon entry to the feedlot.
Study Description: Intact bulls were sourced from the Southeastern U.S. and received at the Kansas State University Beef Stocker Unit. After backgrounding, 700-lb bulls were castrated using various techniques, including banding, banding with splitting of the distal scrotum, use of the Henderson Tool, and use of a burdizzo clamp. A group of intact bulls served as a negative control group. Weights were obtained at regular intervals throughout the 56-day study to quantify and compare growth performance.
Results: The day …
Long-Term Effects Of April, August, Or October Prescribed Fire On Yearling Stocker Cattle Performance And Native Rangeland Plant Composition In The Kansas Flint Hills, Zachary M. Duncan, Alan J. Tajchman, Jack Lemmon, William R. Hollenbeck, Dale A. Blasi, K. C. Olson
Long-Term Effects Of April, August, Or October Prescribed Fire On Yearling Stocker Cattle Performance And Native Rangeland Plant Composition In The Kansas Flint Hills, Zachary M. Duncan, Alan J. Tajchman, Jack Lemmon, William R. Hollenbeck, Dale A. Blasi, K. C. Olson
Kansas Agricultural Experiment Station Research Reports
Objective: The objective of our experiment was to determine if prescribed fire applied in April, August, or October influenced stocker growth performance or plant community characteristics in the Kansas Flint Hills over a 6-year period.
Study Description: A total of 1,939 yearling stocker cattle were assigned to one of three prescribed-burn treatments: spring (April 11 ± 5.7 days), summer (August 25 ± 6.2 days or fall (October 2 ± 9.0 days) over a 5-year period. Calves were grazed from May to August for 90 days. Individual body weights were recorded at the start and end of the grazing season. Native …
Reducing Tick Populations Through Prescribed Burning, Andrea Salazar, Herman Griese, Victoria Pickens, Cassandra Olds
Reducing Tick Populations Through Prescribed Burning, Andrea Salazar, Herman Griese, Victoria Pickens, Cassandra Olds
Kansas Agricultural Experiment Station Research Reports
Objective: Explore the effect of prescribed fire on tick population dynamics in the Kansas Flint Hills.
Study Description: Ticks were collected from spring (April), summer (August), or fall (September) burned pastures as well as control, unburned areas. Burning had been carried out for four consecutive years prior to this study. Tick populations were sampled every other week from March to August using material dragging and dry ice bait sampling methods. Tick species, sex, and life stage were identified morphologically and the total numbers for each burn treatment were calculated.
The Bottom Line: Consecutive burning of grazing pasture could be considered …
Effects Of Dietary Energy Concentration And Feed Intake On Growth Performance Of Newly Received Growing Cattle Fed Diets Based On Corn And Corn Co-Products, Colton D. Weir, Zachary M. Duncan, William R. Hollenbeck, Sean P. Montgomery, Tyler J. Spore, Dale A. Blasi
Effects Of Dietary Energy Concentration And Feed Intake On Growth Performance Of Newly Received Growing Cattle Fed Diets Based On Corn And Corn Co-Products, Colton D. Weir, Zachary M. Duncan, William R. Hollenbeck, Sean P. Montgomery, Tyler J. Spore, Dale A. Blasi
Kansas Agricultural Experiment Station Research Reports
Objective: This study’s focus was to evaluate if feeding equal amounts of energy from a high-energy limit-fed diet has an effect on growth performance of growing beef cattle when compared to traditional high-roughage ad libitum diets.
Study Description: A total of 392 crossbred heifers were fed one of four experimental diets for a 70-day receiving period. Treatments included a high-roughage diet formulated to provide 45 Mcal of net energy for gain (NEg) per 100 lb of dry matter (DM) and fed for ad libitum intake (AL) or a high-energy diet formulated to provide 60 Mcal of NEg …
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, Michael D. Chao
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, Michael D. Chao
Kansas Agricultural Experiment Station Research Reports
Objective: The objective of this study was to evaluate the impact of applying an electrostatic field (EF) on thawing characteristics, such as thawing speed and purge loss, as well as its impact on quality attributes during subsequent aging and retail display of beef.
Study Description: Striploins from both sides of USDA Choice carcasses (n = 12) were collected and portioned into four equal parts (n = 48). Portions were vacuum packaged and frozen at -40°F for 14 days and randomly assigned to one of four EF thawing treatments: 0 kV (control), 2.5 kV (EF-2.5), 5 kV (EF-5), and 10 kV …
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, Travis G. O'Quinn
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, Travis G. O'Quinn
Kansas Agricultural Experiment Station Research Reports
Objective: The objective of this study was to evaluate and determine thaw rate and time of strip steaks thawed using methods that are recommended by the U.S. Department of Agriculture and those commonly used by consumers.
Study Description: Strip steaks collected from a beef packing facility were randomly assigned a thaw method. Initially, steaks were vacuum packaged and then frozen at -40°F until thawed. Two thawing methods were USDA-approved: thawing in a refrigerator (REF) and in cold water (CW); while the other two methods evaluated are commonly used by consumers: thawing on the countertop (CT) and in hot water (HW). …
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, Travis G. O'Quinn
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, Travis G. O'Quinn
Kansas Agricultural Experiment Station Research Reports
Objective: The objective of this study was to determine palatability differences in beef strip loin steaks among various U.S. Department of Agriculture approved thawing methods and those commonly utilized by consumers.
Study Description: Paired Low Choice beef strip loins (n = 15) were collected and fabricated into six sections, each section was fabricated into 1-in steaks and assigned one of six thawing methods including: countertop, cook from frozen, cold water, hot water, microwave, and refrigerator. Steaks were cooked to an internal peak temperature of 160°F and consumers were given samples which they evaluated for juiciness, tenderness, flavor liking, overall liking, …
2024 Cattlemen's Day Full Report
2024 Cattlemen's Day Full Report
Kansas Agricultural Experiment Station Research Reports
This report includes research conducted in 2023 on beef cattle management, nutrition, and meat science conducted at Kansas State University. Specific topics include effects of prescribed burning and grazing in the Flint Hills, managing livestock pests with prescribed range burning, feeding techniques and methods in feedlots, nutrition supplements for improved health management, and beef thawing methods and consumer palatability preferences.
Effects Of Late-Summer Prescribed Fire On Botanical Composition, Soil Cover, And Forage Production In Caucasian Bluestem-Infested Rangeland In The Kansas Smoky Hills: Year 4 Of 5, H. P. Giefer, K. R. Harmoney, M. P. Ramirez, A. J. Tajchman, Z. M. Duncan, J. Lemmon, K. C. Olson
Effects Of Late-Summer Prescribed Fire On Botanical Composition, Soil Cover, And Forage Production In Caucasian Bluestem-Infested Rangeland In The Kansas Smoky Hills: Year 4 Of 5, H. P. Giefer, K. R. Harmoney, M. P. Ramirez, A. J. Tajchman, Z. M. Duncan, J. Lemmon, K. C. Olson
Kansas Agricultural Experiment Station Research Reports
Objective: Our objective was to determine effects of late-summer prescribed fire on frequency of Caucasian bluestem (Bothriochloa bladhii) in the Kansas Smoky Hills as well as changes in soil cover, botanical composition, and forage production associated with fire treatment.
Study Description: The study was in Ellsworth County, KS. Eighteen one-acre plots were randomly assigned to one of three treatments: no burn, one burn (August 14, 2019), and two burns (August 14, 2019, and August 11, 2021). Soil cover, botanical composition, forage production, and Caucasian bluestem frequency were measured annually beginning in 2019.
The Bottom Line: These data suggest …
Critical Soil Health Parameters To Improve Crop Production, Gretchen F. Sassenrath, Bruno C. Pedreira, Carlos B. Pires
Critical Soil Health Parameters To Improve Crop Production, Gretchen F. Sassenrath, Bruno C. Pedreira, Carlos B. Pires
Kansas Agricultural Experiment Station Research Reports
Soil health is a critical determinant of plant performance. This manuscript describes how the physical, chemical, and biological components within the soil interact to create good soil health. Soil structure is important to provide support for plants, nutrient and water cycling, decreased compaction, and more efficient carbon storage. Measurements of soil properties are presented that can be done in the field on any soil.
Biomass And Nutrient Accumulation By Dual-Purpose Hemp And Concurrent Soil Profile Water Depletion At Three Locations In Kansas In 2022, Kraig Roozeboom, Jason Griffin, Scott Dooley, Gerard Kluitenberg, Dorivar Ruiz Diaz
Biomass And Nutrient Accumulation By Dual-Purpose Hemp And Concurrent Soil Profile Water Depletion At Three Locations In Kansas In 2022, Kraig Roozeboom, Jason Griffin, Scott Dooley, Gerard Kluitenberg, Dorivar Ruiz Diaz
Kansas Agricultural Experiment Station Research Reports
Hemp has garnered interest as a potential crop that is not constrained by the typical food, feed, and fuel market channels. Although hemp varieties are available for either grain, fiber, or both (dual-purpose: both grain and fiber) markets, little information is available on hemp growth and water use in Kansas environments. Experiments were conducted at three locations representing the precipitation gradient across Kansas in 2022 to characterize hemp growth, nutrient uptake, and soil water depletion. One fiber and one grain variety were evaluated with and without fertilizer nitrogen at Manhattan, Haysville, and Scandia, KS. Both non-irrigated and fully irrigated plots …
Impact Of Different Plant Canopy Traits On Sorghum Yields, M. F. Lucero, A. J. P. Carcedo, L. Marziotte, L. Mayor, I. A. Ciampitti
Impact Of Different Plant Canopy Traits On Sorghum Yields, M. F. Lucero, A. J. P. Carcedo, L. Marziotte, L. Mayor, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Studying changes in plant canopy can help to improve plant architecture and increase yields. Specifically, for sorghum (Sorghum bicolor L.), characterizing and identifying relevant canopy traits can be helpful not only to improve its productivity but to better fit this crop in the rotation from a system perspective. With this purpose, morphological characteristics of 20 sorghum hybrids were measured during the 2022 growing season in Wamego, KS, U.S. (United States). The most relevant canopy traits examined were leaf angle and leaf area at leaf- and at canopy-level (leaf area index, LAI), all determined at different points of the crop …
Herbicide Effects On Establishment Of Zoysiagrass From Sprigs In Two Consecutive Years, Dani Mcfadden, Jack D. Fry
Herbicide Effects On Establishment Of Zoysiagrass From Sprigs In Two Consecutive Years, Dani Mcfadden, Jack D. Fry
Kansas Agricultural Experiment Station Research Reports
Weed control after planting warm-season grasses in the spring can be critical for acceptable establishment of the stand. However, many herbicide labels can be unclear on sprigging restrictions before or after the application of a product. Research was conducted on the growth effects of pre- and postemergence herbicides applied at or near the day of ‘Innovation’ zoysiagrass sprigging. Preliminary data from this study showed granular (Ronstar G) and liquid (Ronstar Flo) formulations of oxadiazon caused the least amount of injury to zoysiagrass.
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
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 …
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 …
Effects Of Increasing Soybean Meal Levels On Growth Performance And Carcass Characteristics Of Pigs In Grower And Late-Finishing Phases, Jamil E. G. Faccin, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Effects Of Increasing Soybean Meal Levels On Growth Performance And Carcass Characteristics Of Pigs In Grower And Late-Finishing Phases, Jamil E. G. Faccin, Mike D. Tokach, Joel M. Derouchey, Jordan T. Gebhardt, Robert D. Goodband, Jason C. Woodworth
Kansas Agricultural Experiment Station Research Reports
Four experiments were conducted to determine the effects of increasing soybean meal (SBM) on grower and late-finishing pig performance. In Exp. 1, a total of 615 pigs (initially 95.2 ± 1.51 lb) were used in a 28-d trial with 14 replicate pens per treatment and 8 to 10 pigs per pen. Pens of pigs were randomly assigned to 1 of 5 dietary treatments which were corn-based with soybean meal levels of 19.1, 22.6, 26.3, 29.9, or 33.5%. In Exp. 2, a total of 615 pigs (initially 225.5 ± 3.42 lb) were used in a 30-d trial with 14 replicate pens …
Stocker Steer Gains And Fly Numbers As Impacted By Burn Date And Type Of Mineral On Tallgrass Native Range – Year 4, Jaymelynn K. Farney, Harley Allen, Larissa Muniz
Stocker Steer Gains And Fly Numbers As Impacted By Burn Date And Type Of Mineral On Tallgrass Native Range – Year 4, Jaymelynn K. Farney, Harley Allen, Larissa Muniz
Kansas Agricultural Experiment Station Research Reports
This study aims to evaluate effectiveness of two operational management systems for steer gains and fly control. The first strategy evaluated was pasture burn date of March (MAR) or April (APR). The second management strategy was free-choice mineral with spices (SPICE) or without spices (CON). Eight pastures (n = 281 steers; initial weight 566 lb) were used in a 2 × 2 factorial treatment structure. Steers were weighed individually, randomly assigned to treatment, and grazed for 89 days. Weekly, 33% of steers were photographed to count flies and evaluated for hair coat score. Steers that grazed pastures that were burned …
Corn And Soybean Production – 2022 Summary, Gretchen F. Sassenrath, Jane Lingenfelser, Xiaomao Lin
Corn And Soybean Production – 2022 Summary, Gretchen F. Sassenrath, Jane Lingenfelser, Xiaomao Lin
Kansas Agricultural Experiment Station Research Reports
Soybean and corn varieties were tested in replicated field trials at the Southeast Research and Extension Center in Parsons through the Kansas State University variety testing program. In total, nine corn varieties and three maturity checks were tested. Fourteen full season and ten double-cropped soybean varieties were tested, with three maturity checks. Additionally, sorghum and sunflower varieties were tested. The 2022 summer crop growing season was challenging. High temperatures and low rainfall reduced crop production. Crop production was severely impacted by the hot, dry conditions, both across the state and in the cultivar trials at Parsons. No yield results are …
Impact Of Stubble Heights On Native Hay Meadows In Southeast Kansas, Junior I. Yasuoka, Wendie Powell, Walter H. Fick, Bruno C. Pedreira
Impact Of Stubble Heights On Native Hay Meadows In Southeast Kansas, Junior I. Yasuoka, Wendie Powell, Walter H. Fick, Bruno C. Pedreira
Kansas Agricultural Experiment Station Research Reports
Management practices affect hay production in native meadows. The objective of this study was to evaluate how stubble heights affect forage yield and quality in a native meadow. Prescribed spring burns contribute to improving forage quality. Setting the stubble height at 3 inches resulted in high forage quality and had a low yield impact.
2022 Kansas State University Industrial Hemp Dual-Purpose Variety Trials, Kraig Roozeboom, Jason Griffin
2022 Kansas State University Industrial Hemp Dual-Purpose Variety Trials, Kraig Roozeboom, Jason Griffin
Kansas Agricultural Experiment Station Research Reports
Hemp is a broad term used to describe the many varieties of Cannabis sativa L. that produce less than 0.3% tetrahydrocannabinol (THC). The crop is globally significant and has recently been approved 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. Industrial hemp is marketed for oil, grain, and fiber. Varieties have been selected for improved fiber and grain production that can service these markets. However, little research-based information is available regarding adaptability or production of these varieties in Kansas. The objectives …
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, …
Residual Herbicides Alone And In Combinations For Fallow Weed Control, Randall S. Currie, Patrick W. Geier
Residual Herbicides Alone And In Combinations For Fallow Weed Control, Randall S. Currie, Patrick W. Geier
Kansas Agricultural Experiment Station Research Reports
The objective of this research was to compare various novel herbicides for efficacy in fallow. An experiment compared residual herbicides for preemergence weed control in fallow. While most herbicides provided good kochia control early on, only the treatments containing Alite 27 (isoxaflutole) controlled kochia 90% or more by 50 days after treatment. Similarly, most herbicides controlled Russian thistle 83% or more early. However, Russian thistle control declined such that only the treatments containing Alite 27 provided as much as 74% control later in the season.
Effects Of Folic Acid On Nursery Pig Growth Performance And Serum Homocysteine, Larissa L. Becker, Jordan T. Gebhardt, Mike D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jason C. Woodworth
Effects Of Folic Acid On Nursery Pig Growth Performance And Serum Homocysteine, Larissa L. Becker, Jordan T. Gebhardt, Mike D. Tokach, Robert D. Goodband, Joel M. Derouchey, Jason C. Woodworth
Kansas Agricultural Experiment Station Research Reports
A total of 350 barrows (DNA 200 × 400; initially 13.2 ± 0.12 lb) were used in a 38-d growth study to determine the effects of folic acid on nursery pig growth performance and blood measurements. Pigs were weaned at approximately 21 d of age and randomly allotted to 1 of 5 dietary treatments in a completely randomized design. A total of 70 pens were used with 5 pigs per pen and 14 replications per treatment. Dietary treatments were corn-soybean meal-based and consisted of increasing folic acid: 0, 5, 10, 20, or 40 ppm. Treatment diets were fed in three …