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Articles 1 - 30 of 199
Full-Text Articles in Life Sciences
Improve Food Safety Of Chinese Restaurants In Kansas Through Multicultural Intervening Measures, Shijun Yan, Autumn Schuck
Improve Food Safety Of Chinese Restaurants In Kansas Through Multicultural Intervening Measures, Shijun Yan, Autumn Schuck
Institute for Student Learning Assessment
Chinese restaurants' food safety problems have attracted the attention of food safety regulators. According to the many feedback of the state food safety inspectors, there are more problems in the operations of Chinese restaurants than in those others. The probability of repeating the same mistakes is also high in the review of the violation items in the inspection reports. Due to the number of violating behaviors in Chinese restaurants, food safety inspectors have to do many follow-up inspections, and this causes much waste of human resources.
The purpose of this study was to enable Chinese restaurant practitioners to understand US …
Simulation Comparison Of Statistical Methods Used In Assessing Vaccine Efficacy In Veterinary Biologics, Kenny Wakeland, Brian Fergen
Simulation Comparison Of Statistical Methods Used In Assessing Vaccine Efficacy In Veterinary Biologics, Kenny Wakeland, Brian Fergen
Conference on Applied Statistics in Agriculture
In veterinary biologics, clinical studies conducted to support the licensure of a vaccine generally include a demonstration of efficacy in the species of interest. Typically, these studies are designed to assess a vaccine’s ability to prevent or mitigate clinical disease. Study designs utilize two or more treatment groups, and often incorporate blocking structure restrictions to accommodate animal housing or litter-related effects. When assessing a vaccine’s ability to prevent clinical disease, the prevented fraction (PF), a function of the group proportions of affected animals, is often utilized. Typically the sample size per treatment group is limited, and each block is represented …
The Effect Of Poultry Litter Application On Agricultural Production: A Meta-Analysis Of Crop Yield, Nutrient Uptake And Soil Fertility, Yaru Lin, Edzard Van Santen, Dexter Watts
The Effect Of Poultry Litter Application On Agricultural Production: A Meta-Analysis Of Crop Yield, Nutrient Uptake And Soil Fertility, Yaru Lin, Edzard Van Santen, Dexter Watts
Conference on Applied Statistics in Agriculture
Meta-analysis is a statistical technique used to analyze large datasets containing results from numerous individual studies. It appears to be a promising approach in agricultural sciences. This study aimed to conduct a meta-analytic assessment to elucidate the influence of poultry litter (PL) application on crop yield, plant nutrient uptake, and soil fertility as compared to inorganic fertilizer (IF). A meta-analysis based on 116 studies (111 refereed articles and five unpublished data sets) with 2293 observations compared agronomic responses to PL and IF application. The natural log of the response ratio was used as effect size (ES) to express differences in …
Topological Methods For The Quantification And Analysis Of Complex Phenotypes, Patrick S. Medina, Rebecca W. Doerge
Topological Methods For The Quantification And Analysis Of Complex Phenotypes, Patrick S. Medina, Rebecca W. Doerge
Conference on Applied Statistics in Agriculture
Quantitative Trait Locus (QTL) mapping of complex traits, such as leaf venation or root structures, require the phenotyping and genotyping of large populations. Sufficient genotyping is accomplished with cost effective high-throughput assays, however labor costs often makes sufficient phenotyping prohibitively limited. In order to develop efficient high-throughput phenotyping platforms for complex traits algorithms and methods for quantifying these traits are needed. It is often desirable to study the spatial organization of these phenotypes from the images generated by high-throughput platforms. With the goal of quantifying the traits, many approaches try to identify several core traits useful in describing the phenotypic …
Bayesian Estimation Of Stability Indices Of Sorghum Variety Trials, Siraj Osman Omer, Abdel Wahab Hassan Abdalla, Mohammed Hamza Mohammed, International Center For Agricultural Research In The Dry Areas (Icarda), Amman, Jordan
Bayesian Estimation Of Stability Indices Of Sorghum Variety Trials, Siraj Osman Omer, Abdel Wahab Hassan Abdalla, Mohammed Hamza Mohammed, International Center For Agricultural Research In The Dry Areas (Icarda), Amman, Jordan
Conference on Applied Statistics in Agriculture
Multiple–environmental trials are routinely conducted by crop improvement programs for developing desired genotypes. Over a long run, these programs gather information on genotypic performance and variability. Bayesian approach can be used to utilize prior information to identify genotypes for high and stable yield. A set of 18 sorghum genotypes were evaluated in randomized complete block designs (RCBD) with four replications during three seasons, 2009-2012 at diverse locations, North-Gedarif and South-Gedarif, in Sudan. Data on grain yield was analyzed. The aim of this paper was to estimate stability indices such as regression coefficient, coefficient of variation (CV %) and coefficient of …
Strategies For Reducing Control Group Size In Experiments Using Live Animals, Matthew Kramer, Enrique Font
Strategies For Reducing Control Group Size In Experiments Using Live Animals, Matthew Kramer, Enrique Font
Conference on Applied Statistics in Agriculture
Reducing the number of animal subjects used in biomedical experiments is desirable for both ethical and practical reasons. Previous suggestions for reducing sample sizes in these experiments have focused on improving experimental designs and methods of statistical analysis; reducing the number of controls (thus, the number of overall animals used) is rarely mentioned. We discuss how the number of current control animals can be reduced, without loss of statistical power, by incorporating information from historical controls, i.e. animals used as controls in similar previous experiments. Using example data from the literature, we describe how to incorporate information from historical controls …
Alternative Estimation Techniques For Correlated Discrete Data, William J. Price Ph.D., Bahman Shafii Ph.D.
Alternative Estimation Techniques For Correlated Discrete Data, William J. Price Ph.D., Bahman Shafii Ph.D.
Conference on Applied Statistics in Agriculture
Binary or multinomial data often occur in agricultural and biological research. Advancements in measurement and video technologies now allow such data to be sequentially recorded through time or space. These data sets, however, can exhibit a serial correlation structure, which in turn, can bias and influence point estimates as well as inferences made regarding the data. Statistical methods using generalized mixed models and probability distributions such as the beta-binomial and correlated binomial have been proposed as potential solutions for estimating the parameters of interest in these cases. In this paper, we will explore the properties of these techniques through simulation …
Developing Prediction Equations For Fat Free Lean In The Presence Of An Unknown Amount Of Proportional Measurement Error, Zachary J. Hass, Bruce A. Craig, Allan Schinckel
Developing Prediction Equations For Fat Free Lean In The Presence Of An Unknown Amount Of Proportional Measurement Error, Zachary J. Hass, Bruce A. Craig, Allan Schinckel
Conference on Applied Statistics in Agriculture
Published prediction equations for fat-free lean mass are widely used by producers for carcass evaluation. These regression equations are commonly derived under the assumption that the predictors are measured without error. In practice, however, it is known that some predictors, such as backfat and loin muscle depth, are measured imperfectly with variance that is proportional to the mean. Failure to account for these measurement errors will cause bias in the estimated equation. In this paper, we describe an empirical Bayes approach, using technical replicates, to accurately estimate the regression relationship in the presence of proportional measurement error. We demonstrate, via …
Paired Competition Analysis Using Mixed Models, Patrick Gallagher, Bruce A. Craig, Tim Luttermoser, Grzegorz Buczkowski
Paired Competition Analysis Using Mixed Models, Patrick Gallagher, Bruce A. Craig, Tim Luttermoser, Grzegorz Buczkowski
Conference on Applied Statistics in Agriculture
Urban and rural colonies of odorous house ants (Tapinoma sessile) have very different social structures. Urban colonies are very large with hundreds of cohabiting queens, while rural colonies are small with only one queen. To investigate whether worker ant aggressiveness varies across these two colony types, an experiment was performed using an aggression assay, in which 50 ants from each of two colonies were placed in a petri dish and allowed to fight. The response was the total number of dead ants within 24 hours. Because the ants were all the same species and not marked by colony, …
Irrigated And Rainfed Crops Zea Mays L. (Maize) And Glycine Max (Soybean) Acting As A Source Or Sink For Atmospheric Warming At Mead, Nebraska, Jane A. Okalebo Dr., Kenneth G. Hubbard, Andy Suyker
Irrigated And Rainfed Crops Zea Mays L. (Maize) And Glycine Max (Soybean) Acting As A Source Or Sink For Atmospheric Warming At Mead, Nebraska, Jane A. Okalebo Dr., Kenneth G. Hubbard, Andy Suyker
Conference on Applied Statistics in Agriculture
Land Use and Land Cover Change (LULCC) influence the climate at a global and local scale. Using long term microclimate data (2002-2009, 2011-2012) from the Carbon Sequestration Project (CSP), Mead, NE, this study examines how crop selection and water management can mitigate heat in the atmosphere. Mitigation of global warming is dependent on the management of crop lands, and the amount and timing of rainfall during the growing season. Rainfed crops were found to heat the passing air. The irrigated maize crop was able to mitigate 20 to 62% of the sensible heat (H) compared to the rainfed maize counterpart, …
Should Blocks Be Fixed Or Random?, Philip Dixon
Should Blocks Be Fixed Or Random?, Philip Dixon
Conference on Applied Statistics in Agriculture
Many studies include some form of blocking in the study design. Block effects are rarely of intrinsic interest; instead they are included in a model so that that model reflects the study design. I consider the question of how these block effects should be modeled: as fixed effects or as random effects. I discuss the consequences of the choice, including the recovery of inter-block information when available, give a simple example to illustrate the connection between recovery of inter-block information and pooling two estimators of a treatment effect, and give an example where fitting a model with random block effects …
Comparing Linear Mixed Models For Preliminary Yield Trials That Follow Augmented Experimental Designs, Sudha Neupane Adhikari, Jixiang Wu, Melanie Caffe
Comparing Linear Mixed Models For Preliminary Yield Trials That Follow Augmented Experimental Designs, Sudha Neupane Adhikari, Jixiang Wu, Melanie Caffe
Conference on Applied Statistics in Agriculture
COMPARING LINEAR MIXED MODELS FOR PRELIMINARY YIELD TRIALS THAT FOLLOW AUGMENTED EXPERIMENTAL DESIGNS
Sudha Neupane Adhikari, Jixiang Wu, and Melanie Caffe-Treml
Agronomy, Horticulture, and Plant Science Department,
South Dakota State University, Brookings, SD 57007
Abstract
Ineffective control of spatial variation when analyzing field trials data may lead to biased conclusions, which in turn could impact selection efficiency in plant breeding programs. In this study, a group of 78 oats breeding lines were evaluated in preliminary yield trials at four locations in South Dakota in 2015. Four linear mixed models (with and without row and column effects) were compared regarding reduction …
A Bayesian Gwas Method Utilizing Haplotype Clusters For A Composite Breed Population, Danielle F. Wilson-Wells, Stephen D. Kachman
A Bayesian Gwas Method Utilizing Haplotype Clusters For A Composite Breed Population, Danielle F. Wilson-Wells, Stephen D. Kachman
Conference on Applied Statistics in Agriculture
Commercial beef cattle are often composites of multiple breeds. Current methods used to produce genomic predictors are based on the underlying assumption of animals being sampled from a homogeneous population. As a result, the predictors can perform poorly when used to predict the relative genetic merit of animals whose breed composition are different. In part, this is due to the changes in linkage disequilibrium between the markers and the quantitative trait loci as we move from one breed to the next. An alternative model based on breed specific haplotype clusters was developed to allow for differences in linkage disequilibrium across …
Editor's Preface And Table Of Contents, Perla Reyes
Editor's Preface And Table Of Contents, Perla Reyes
Conference on Applied Statistics in Agriculture
2016 Conference on Applied Statistics in Agriculture Proceedings
The Community Garden: Addressing Food Security & Much More!, Linda I. Teener
The Community Garden: Addressing Food Security & Much More!, Linda I. Teener
Center for Engagement and Community Development
The Manhattan Community Garden, sponsored by the UFM Community Learning Center, has been a centerpiece of the city for over 42 years, making it the oldest community garden in Kansas. In 2015, the 283 plots of land were gardened by 183 families. Despite its contribution to self-sustaining community food security, the Manhattan garden provide space for mentorship, social interaction among community members, and education for children on nutrition and biology.
Building Resiliency Through Local Food System Development, Marlin A. Bates
Building Resiliency Through Local Food System Development, Marlin A. Bates
Center for Engagement and Community Development
Parts of Northeast Kansas enjoy relatively mature local food systems. Most of our local food producers rely on direct-to-consumer markets for their products, and some concerns are beginning to emerge over saturation of some of these markets. Local food systems have been lauded nationwide as an economic development tool for communities large and small. Increasing the abundance of food grown locally also has implications on regional food security. Investment in programs that enhance local food systems is justifiable due to the economic, social, and environmental benefits that these systems strengthen. Whether local food systems are mature or in their infancy, …
Nutrition Education With Limited Resource Audiences, Virginia M. Barnard
Nutrition Education With Limited Resource Audiences, Virginia M. Barnard
Center for Engagement and Community Development
The Expanded Food and Nutrition Education Program (EFNEP) is one way Riley County K-State Research & Extension improves the nutrition and physical activity behaviors of low-income families. Through a community-based, relationship-driven, hands-on educational approach, EFNEP families experience improvements in four core areas: diet quality and physical activity, food resource management, food safety, and food security.
Bringing Hope To Rural Kansas And Globally One Grain At A Time - Grains For Hope, Sajid Alavi
Bringing Hope To Rural Kansas And Globally One Grain At A Time - Grains For Hope, Sajid Alavi
Center for Engagement and Community Development
Slides from IGNITE session
The Lunchbox: A Program Of Community Core, Ross M. Allen, Zev A. Allen
The Lunchbox: A Program Of Community Core, Ross M. Allen, Zev A. Allen
Center for Engagement and Community Development
Community CORE, a nonprofit organization out of Soldier, Kansas, works to mitigate childhood hunger in the community through “The Lunchbox,” a summer food program for students on free-and reduced-lunch.
A Team-Based Approach To Development, Katherine Frank, Kristi Haik, Kelly Jones
A Team-Based Approach To Development, Katherine Frank, Kristi Haik, Kelly Jones
Academic Chairpersons Conference Proceedings
This workshop focuses on strategies for engaging in successful short- and long-term development and fundraising efforts at the program and department level, while remaining aligned with college and university priorities. Facilitators include a chairperson, director of college development, and dean.
The Finney County, Kansas Community Assessment Process: Fact Book, Debra J. Bolton Phd, Shannon L. Dick M.S.
The Finney County, Kansas Community Assessment Process: Fact Book, Debra J. Bolton Phd, Shannon L. Dick M.S.
NPP eBooks
This multi-lingual/multi-cultural study was called, Community Assets Processt, by the groups that “commissioned” it: Finnup Foundation, Finney County K-State Research & Extension, Western Kansas Community Foundation, Finney County United Way, Finney County Health Department, United Methodist Community Health Center (UMMAM), Center for Children and Families, Garden City Recreation Commission, and the Garden City Cultural Relations Board, because we intend for this to be an ongoing discussion.
An objective, for those promoting the study, was to connect foundation, state, and federal funding with activities or services that addressed the true needs of people living in Finney County. The group was looking …
Principles Of Biology, Robert Bear, David Rintoul, Bruce Snyder, Martha Smith-Caldas, Christopher Herren, Eva Horne
Principles Of Biology, Robert Bear, David Rintoul, Bruce Snyder, Martha Smith-Caldas, Christopher Herren, Eva Horne
Open Access Textbooks
This textbook is designed specifically for Kansas State's Biology 198 Class. The course is taught using the studio approach and based on active learning. The studio manual contains all of the learning objectives for each class period and is the record of all student activities. Hence, this textbook is more of a reference tool while the studio manual is the learning tool.
The textbook was originally published and is also available to download at http://cnx.org/contents/db89c8f8-a27c-4685-ad2a-19d11a2a7e2e@24.1.It is licensed under a Creative Commons Attribution License 4.0 license.
Using Spiral Dynamic Theory For Adult Civic Engagement Research And Social Justice Education, Lisa R. Brown
Using Spiral Dynamic Theory For Adult Civic Engagement Research And Social Justice Education, Lisa R. Brown
Adult Education Research Conference
Empirical civic engagement research based in a South American context. Participants included adult learner populations engaged in revolutionary protests that opposed private for-profit education in Chile. Findings were higher order Spiral Dynamic Theory thinking at the for-profits and lower civic engagement.
Swine Day 2016 Full Report, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth
Swine Day 2016 Full Report, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. Derouchey, J. C. Woodworth
Kansas Agricultural Experiment Station Research Reports
It is with great pleasure that we present the 2016 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.
Delayed Insemination Of Non-Estrual Beef Heifers In 7-Day Co-Synch Timed Artificial Insemination, D. C. Shaw, K. E. Fike, David Grieger
Delayed Insemination Of Non-Estrual Beef Heifers In 7-Day Co-Synch Timed Artificial Insemination, D. C. Shaw, K. E. Fike, David Grieger
Kansas Agricultural Experiment Station Research Reports
Reproductive performance in cattle is considered to be the most economically important trait and is essential for the success of an operation. In the last decade, timed artificial insemination (AI) in the beef cattle industry has increased in popularity due to the decreased amount of labor required for estrous detection. To increase the use of AI; however, cost and time inputs need to be further decreased. The objective of this study was to determine if fertility could be improved in beef heifers that are not expressing estrus before timed AI by delaying insemination.
Premium Choice Steaks Purchased From Grocery Outlets Are Generally More Tender Throughout The Year Than Lower Quality Grade Steaks, A. M. Collins, J. A. Unruh, T. A. Houser, S. Stroda
Premium Choice Steaks Purchased From Grocery Outlets Are Generally More Tender Throughout The Year Than Lower Quality Grade Steaks, A. M. Collins, J. A. Unruh, T. A. Houser, S. Stroda
Kansas Agricultural Experiment Station Research Reports
Consumers typically have the opportunity to select steaks from a variety of marketing categories that relate to quality, price, and expected tenderness. Research on quantifying characteristics of strip steaks from different marketing programs available in self-serve retail display cases and establishing benchmark data for strip steak comparisons for future years is needed. The purpose of this study was to determine mechanical tenderness as well as physical and cooking characteristics of strip steaks purchased from self-serve display cases in grocery store outlets throughout the year.
Freezing Strip Loin And Top Round Steaks Improves Warner-Bratzler Shear Force, R. Mcewan, J. A. Unruh, T. A. Houser, T. G. O'Quinn, N. Bloedow, Christopher Vahl, S. Stroda
Freezing Strip Loin And Top Round Steaks Improves Warner-Bratzler Shear Force, R. Mcewan, J. A. Unruh, T. A. Houser, T. G. O'Quinn, N. Bloedow, Christopher Vahl, S. Stroda
Kansas Agricultural Experiment Station Research Reports
Postmortem aging of steaks is a common practice used to improve tenderness of beef steaks. The impact of proteolysis and improvement in tenderness due to aging varies among muscles. When designing research protocols, samples for Warner-Bratzler shear force (WBSF) are often frozen for later analysis because of convenience and time limitations. Freezing stops postmortem aging and allows for storage until meat can be cooked for WBSF and/or sensory analysis. However freezing meat may cause damage to cell membranes resulting in lower Warner-Bratzler shear force (improved mechanical tenderness), lower water holding capacity, and greater moisture loss during cooking. Several researchers have …
Does Knowing Brand Or Usda Grade Of Beef Strip Steaks Affect Palatability For Consumers?, A. K. Wilfong, K. V. Mckillip, J. M. Gonzalez, T. A. Houser, E. A. Boyle, J. A. Unruh, T. G. O'Quinn
Does Knowing Brand Or Usda Grade Of Beef Strip Steaks Affect Palatability For Consumers?, A. K. Wilfong, K. V. Mckillip, J. M. Gonzalez, T. A. Houser, E. A. Boyle, J. A. Unruh, T. G. O'Quinn
Kansas Agricultural Experiment Station Research Reports
In consumers’ eyes, not all beef is considered equal. In addition to USDA quality grades, close to 150 branded beef programs are approved for the segregation and marketing of beef products (USDA, 2015). This large number of product categories allows consumers to have a choice in the products they purchase. Blind sensory panel testing of beef, where consumers are not shown the brand or information about a product, has been used for many years. While important to determine palatability characteristics of beef when evaluated blind, consumers do not select, purchase, and consume beef without additional product information. Evidence suggests that …
Influence Of Glyphosate Timings On Conversion Of Golf Course Rough From Tall Fescue To ‘Sharps Improved Ii’ Buffalograss, J. Reeves, J. Hoyle, D. Bremer, S. Keeley
Influence Of Glyphosate Timings On Conversion Of Golf Course Rough From Tall Fescue To ‘Sharps Improved Ii’ Buffalograss, J. Reeves, J. Hoyle, D. Bremer, S. Keeley
Kansas Agricultural Experiment Station Research Reports
All treatments, except the control that received no glyphosate application, resulted in acceptable buffalograss establishment (>90% buffalograss green cover) by 70 days after seeding (DAS). However, any treatment not sprayed prior to seeding date or that received a 7 DAS application lagged behind in establishment for 6 weeks after seeding.
Late Pre-Emergent Control Of Annual Bluegrass With Flazasulfuron & Indaziflam, J. Reeves, J. Hoyle
Late Pre-Emergent Control Of Annual Bluegrass With Flazasulfuron & Indaziflam, J. Reeves, J. Hoyle
Kansas Agricultural Experiment Station Research Reports
All applications of flazasulfuron or indaziflam resulted in acceptable control of Annual Bluegrass (Poa annua), only allowing<3% visual weed cover (VWC) in all treatments compared to the non-treated (26% VWC) up to 133 days after application (DAA).