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Articles 1 - 30 of 3231
Full-Text Articles in Life Sciences
Diapause Induction In Eastern North American Populations Of Propylea Quatuordecimpunctata And Hippodamia Variegata (Coleoptera: Coccinellidae), John J. Obrycki
Diapause Induction In Eastern North American Populations Of Propylea Quatuordecimpunctata And Hippodamia Variegata (Coleoptera: Coccinellidae), John J. Obrycki
Lady Beetle Research Data
Experiments examined the effect of photoperiod on the expression of adult diapause in North American populations of two Palearctic ladybird beetle species, Propylea quatuordecimpunctata and Hippodamia variegata.
Comparative data for the reproductive responses to different photoperiod conditions for H. variegata were taken from Obrycki (2018). Additionally, comparisons of responses to the four photoperiods between P. quatuordecimpunctata from Jefferson County, NY, USA to P. quatuordecimpunctata from Montreal, Quebec, Canada were also conducted. Data for the Montreal, Quebec, Canada population are from Obrycki et al., (1993).
Two Data sets are included:
(1) Pre-oviposition period (days) as a measure of induction and …
Diapause In Eastern North American Populations Of Coccinella Septempunctata (Coleoptera: Coccinellidae), John J. Obrycki
Diapause In Eastern North American Populations Of Coccinella Septempunctata (Coleoptera: Coccinellidae), John J. Obrycki
Lady Beetle Research Data
Experiments examined the effect of photoperiod on the expression of adult diapause in the Palearctic ladybird beetle Coccinella septempunctata, within 10 years of its discovery in North America. The study used beetles from two populations in eastern United States and focused on two aspects of diapause. First, the effects of daylength on the induction and depth (or duration) of diapause were examined by rearing and maintaining adult beetles from Tompkins County, New York,(approx. 42.4°N, 76.5°W) under six constant photoperiods until oviposition, death, or the passage of 125 days. Second, the seasonal progression of diapause maintenance and termination under natural conditions …
Forage News [2023-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2023-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Impact Of Community-Driven Interventions On Dietary And Physical Activity Outcomes Among A Cohort Of Adults In A Rural Appalachian County In Eastern Kentucky, 2019–2022, Heather Norman-Burgdolf, Emily M. Dewitt, Rachel Gillespie, Kathryn Cardarelli, Stacey Slone, Alison Gustafson
Impact Of Community-Driven Interventions On Dietary And Physical Activity Outcomes Among A Cohort Of Adults In A Rural Appalachian County In Eastern Kentucky, 2019–2022, Heather Norman-Burgdolf, Emily M. Dewitt, Rachel Gillespie, Kathryn Cardarelli, Stacey Slone, Alison Gustafson
Dietetics and Human Nutrition Faculty Publications
Several environmental level factors exacerbate poor health outcomes in rural populations in the United States, such as lack of access to healthy food and locations to be physically active, which support healthy choices at the individual level. Thus, utilizing innovative place-based approaches in rural locations is essential to improve health outcomes. Leveraging community assets, like Cooperative Extension, is a novel strategy for implementing community-driven interventions. This prospective cohort study (n = 152), recruited in 2019 and surveyed again in 2020 and 2021, examined individual level changes in diet and physical activity in one rural Appalachian county. During this time, multiple …
Breeding Milestones Correspond With Changes To Wheat Rhizosphere Biogeochemistry That Affect P Acquisition, Rebecca Kay Mcgrail, David A. Van Sanford, David H. Mcnear Jr.
Breeding Milestones Correspond With Changes To Wheat Rhizosphere Biogeochemistry That Affect P Acquisition, Rebecca Kay Mcgrail, David A. Van Sanford, David H. Mcnear Jr.
Plant and Soil Sciences Faculty Publications
Breeding wheat (Triticum aestivum L.) has resulted in small gains in improved nutrient acquisition and use as numerous traits are involved. In this study, we evaluated the impact of breeding on P-acquisition and identified both plant and soil variables that could be used to inform the selection of germplasm with increased P acquisition efficiency. We previously screened a historic panel of winter wheat cultivars for root system architecture and root tip organic acid content when grown in P-deficient solution/agar and used these characteristics together with breeding history to develop a predicted P extraction potential (PEP). We tested the validity …
Clutch Analysis And Design For The Wildcat Pulling Team Quarter Scale Tractor Drivetrain, Lauren Doyle
Clutch Analysis And Design For The Wildcat Pulling Team Quarter Scale Tractor Drivetrain, Lauren Doyle
Lewis Honors College Thesis Collection
The University of Kentucky (UK) Wildcat Pulling Team competes in the annual ASABE International Quarter Scale Tractor Student Design Competition. In 2022 the team placed 3rd overall in the competition, missing 1st place by 23 points. The loss in points was due to the clutch subassembly having issues related to maneuverability, manufacturability, and serviceability. The goal of this project was to redesign the 2022 tractor’s drivetrain for the new 2023 competition tractor. Background research was conducted on three types of clutches: manual, electric, and centrifugal. The electric clutch and centrifugal clutch with manual override were tested to determine their viability …
High Volume Multiplex Staining Of Mouse Model In Alzheimer’S Associated Disease Pathology, Chloe Embry
High Volume Multiplex Staining Of Mouse Model In Alzheimer’S Associated Disease Pathology, Chloe Embry
Lewis Honors College Thesis Collection
Although neurodegenerative diseases are often clinically distinct, they typically share common pathological markers. One of the most common causes of clinical dementia is Alzheimer’s disease (AD). Pathologically, AD is defined by the presence of intercellular tangles composed of hyperphosphorylated tau proteins and extracellular plaques made of abnormally cleaved amyloid-beta proteins. However recent genome-wide association studies have also found that many of the predispositions for AD are located on or near genes highly expressed in microglia. In the healthy CNS, microglia act as the brain’s immune system and are chiefly involved in neuronal support and maintaining homeostasis throughout the CNS. Typically, …
Il-1r1 Within The Meningeal Lymphatic System, Nolan Abdelsayed
Il-1r1 Within The Meningeal Lymphatic System, Nolan Abdelsayed
Lewis Honors College Thesis Collection
The meninges are made up of three membranes; the pia mater, arachnoid mater, and dura mater, that surround the brain and spinal cord. These specialized layers work in concert with cerebrospinal fluid (CSF), to protect the central nervous system by adding a layer of cushion and removing waste products from the CNS. Additionally, the meninges act as a physical barrier between the central nervous system and the periphery. The meningeal lymphatic system is a specialized group of vessels that lie within the meninges that assist in the flow of fluid and waste products from the brain. If the meningeal lymphatic …
Forage News [2023-02], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2023-02], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Implementing A Service Dog Registration In The United States, Avary Martin
Implementing A Service Dog Registration In The United States, Avary Martin
Lewis Honors College Thesis Collection
The presence of fake service animals in public spaces is increasing every day. These mislabeled dogs are posing a great danger to working service dogs and the rights of the handlers that utilize them. In order to reduce the number of fake service dogs in public and ensure equal accessibility to service dog users, a service dog registration should be implemented across the United States. Requiring a public access test to be conducted before a dog can be registered would ensure that any dog working in public has reached the standard of behavior required to be a service dog. This …
Forage News [2023-01], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2023-01], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Data For "Linking Previous Experiences To Behavior And Health In The Honey Bee (Apis Mellifera)"", Rebecca R. Westwick, Clare C. Rittschof, Gavin P. Brackett, Cameron E. Brown, Bethany J. Ison, Zainulabbeudin Syed, Anna M. Foose
Data For "Linking Previous Experiences To Behavior And Health In The Honey Bee (Apis Mellifera)"", Rebecca R. Westwick, Clare C. Rittschof, Gavin P. Brackett, Cameron E. Brown, Bethany J. Ison, Zainulabbeudin Syed, Anna M. Foose
Entomology Research Data
An organism’s ability to respond to changing conditions can be vital to its success. Indeed, plasticity is a common feature of living organisms. Much of the research in this area, though, has focused on effects caused by environmental conditions. What has received relatively less attention is how social experiences and broader features of an organism’s social environment can lead to long-lasting changes in health and behavior. This knowledge gap exists despite the well-documented existence of health and behavioral effects after social interactions in certain taxa such as humans.
Social insects such as honey bees provide an excellent opportunity to better …
1-Back Matching And Mismatching By Pigeons, Thomas Zentall
1-Back Matching And Mismatching By Pigeons, Thomas Zentall
Psychology Research Data
No abstract provided.
Forage News [2023-07], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2023-07], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Forage News [2023-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2023-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Forage News [2022-12], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-12], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Association Of A Green Tea Extract With Serum Immunoglobulin G Status And Neonatal Vitality In Newborn Dairy Calves, M. E. Reis, Melissa C. Cantor, C. M. M. Bittar, Joao H. C. Costa
Association Of A Green Tea Extract With Serum Immunoglobulin G Status And Neonatal Vitality In Newborn Dairy Calves, M. E. Reis, Melissa C. Cantor, C. M. M. Bittar, Joao H. C. Costa
Animal and Food Sciences Faculty Publications
Poor vigor at birth has been associated with reduced IgG absorption from colostrum and a reduced vitality in neonatal dairy calves. Some natural compounds, such as green tea extract, may improve vitality in compromised calves. The objective of this randomized controlled trial was to evaluate the potential of supplementing a green tea extract (15 mL) to calves to improve vigor and activity behavior for the first 72 h postnatal. Also, this study aimed to investigate the influence of green tea extract supplementation on calf serum IgG concentration and the apparent efficiency of absorption (AEA) of colostral IgG. Holstein calves (n …
Forage News [2022-11], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-11], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Forage News [2022-10], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-10], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Forage News [2022-09], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-09], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Forage News [2022-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-06], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
A Method For Phenotyping Roots Of Large Plants, Brian Rinehart, Hanna J. Poffenbarger, Daniel Lau, David H. Mcnear
A Method For Phenotyping Roots Of Large Plants, Brian Rinehart, Hanna J. Poffenbarger, Daniel Lau, David H. Mcnear
Plant and Soil Sciences Faculty Publications
Linking root traits to plant functions can enable crop improvement for yield and ecosystem functions. However, plant breeding efforts targeting belowground traits are limited by appropriate phenotyping methods for large root systems. While advances have been made allowing for imaging large in situ root systems, many of these methods are inaccessible due to expensive technology requirements. The aim of this work was to develop a plant phenotyping platform and analysis method suitable for assessing root traits of large, intact root systems. With the use of a purpose-built imaging table and automated photo capture system, machine learning-based image segmentation, and off-the-shelf …
Forage News [2022-05], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-05], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Examining The Perspectives And Experiences Of Nutrition Educators Working With Clients In Substance Use Recovery Settings, Cora Teets, Paula Plonski, Omolola Adedokun, Heather Norman-Burgdolf
Examining The Perspectives And Experiences Of Nutrition Educators Working With Clients In Substance Use Recovery Settings, Cora Teets, Paula Plonski, Omolola Adedokun, Heather Norman-Burgdolf
Dietetics and Human Nutrition Faculty Publications
Substance use disorder (SUD) is one of the most detrimental health, social, and economic problems in the United States. Limited studies suggest providing tailored nutrition education during SUD treatment correlates with positive recovery outcomes. The University of Kentucky Nutrition Education Program conducted two focus group sessions to explore and determine educators’ instructional and programmatic needs who deliver nutrition education to clients in substance use recovery throughout Kentucky. The study team identified four emerging themes and several subthemes related to Nutrition Education Program educators working with clientele in recovery. The four emerging themes included: (1) current experiences working with the audience, …
Unifying Multi-State Efforts Through A Nationally Coordinated Extension Diabetes Program, Laura Balis, Shari Gallup, Heather Norman-Burgdolf, Julie Buck, Pam Daniels, Dan Remley, Lisa Graves, Margaret Jenkins, Gayle Price
Unifying Multi-State Efforts Through A Nationally Coordinated Extension Diabetes Program, Laura Balis, Shari Gallup, Heather Norman-Burgdolf, Julie Buck, Pam Daniels, Dan Remley, Lisa Graves, Margaret Jenkins, Gayle Price
Dietetics and Human Nutrition Faculty Publications
The Cooperative Extension System translates research to practice and “brings the University to the people” throughout the U.S. However, the system suffers from program duplication and is challenged to scale-out effective programs. One program, Dining with Diabetes (DWD), stands out for its dissemination to multiple states. DWD is a community-based program aimed at improving diabetes management, nutrition, and physical activity behaviors. DWD was coordinated through a national working group and implemented by state Extension systems. A pragmatic, quasi-experimental study was conducted to determine the effectiveness of the national coordination model and the overall impact of DWD. Four states reported data …
Are Soybean Models Ready For Climate Change Food Impact Assessments?, Kritika Kothari, Rafael Battisti, Kenneth J. Boote, Sotirios V. Archontoulis, Adriana Confalone, Julie Constantin, Santiago V. Cuadra, Philippe Debaeke, Babacar Faye, Brian Grant, Gerrit Hoogenboom, Qi Jing, Michael Van Der Laan, Fernando Antônio Macena Da Silva, Fabio R. Marin, Alireza Nehbandani, Claas Nendel, Larry C. Purcell, Budong Qian, Alex C. Ruane, Céline Schoving, Evandro H. F. M. Silva, Ward Smith, Afshin Soltani, Amit Srivastava, Nilson A. Vieira Jr., Stacey Slone, Montserrat Salmerón
Are Soybean Models Ready For Climate Change Food Impact Assessments?, Kritika Kothari, Rafael Battisti, Kenneth J. Boote, Sotirios V. Archontoulis, Adriana Confalone, Julie Constantin, Santiago V. Cuadra, Philippe Debaeke, Babacar Faye, Brian Grant, Gerrit Hoogenboom, Qi Jing, Michael Van Der Laan, Fernando Antônio Macena Da Silva, Fabio R. Marin, Alireza Nehbandani, Claas Nendel, Larry C. Purcell, Budong Qian, Alex C. Ruane, Céline Schoving, Evandro H. F. M. Silva, Ward Smith, Afshin Soltani, Amit Srivastava, Nilson A. Vieira Jr., Stacey Slone, Montserrat Salmerón
Plant and Soil Sciences Faculty Publications
An accurate estimation of crop yield under climate change scenarios is essential to quantify our ability to feed a growing population and develop agronomic adaptations to meet future food demand. A coordinated evaluation of yield simulations from process-based eco-physiological models for climate change impact assessment is still missing for soybean, the most widely grown grain legume and the main source of protein in our food chain. In this first soybean multi-model study, we used ten prominent models capable of simulating soybean yield under varying temperature and atmospheric CO2 concentration [CO2] to quantify the uncertainty in soybean yield …
Forage News [2022-04], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-04], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
A Hedonic Analysis Of Factors Impacting The Value Of Planters On The Used Machinery Market, John Allison Jr., Tyler B. Mark, Kenneth H. Burdine, Jordan M. Shockley
A Hedonic Analysis Of Factors Impacting The Value Of Planters On The Used Machinery Market, John Allison Jr., Tyler B. Mark, Kenneth H. Burdine, Jordan M. Shockley
Agricultural Economics Faculty Publications
A hedonic model was employed to examine factors that influence the resale price of row crop planters on the used machinery market. Planter sale data from 2016 to 2018 were utilized to conduct the analysis. Results suggested that the primary factors impacting planter resale prices were make, age, condition, planter configuration, row number, and row spacing. As a function of age (depreciation), planter values were generally determined to decrease at a decreasing rate. Finally, it was determined that there was a significant interaction between the variables make and age, suggesting that different planter makes depreciate differently.
Forage News [2022-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2022-03], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
No abstract provided.
Body Condition Score Change Throughout Lactation Utilizing An Automated Bcs System: A Descriptive Study, Carissa M. Truman, Magnus R. Campler, Joao H. C. Costa
Body Condition Score Change Throughout Lactation Utilizing An Automated Bcs System: A Descriptive Study, Carissa M. Truman, Magnus R. Campler, Joao H. C. Costa
Animal and Food Sciences Faculty Publications
Body condition scoring (BCS) is a traditional visual technique often using a five-point scale to non-invasively assess fat reserves in cattle. However, recent studies have highlighted the potential in automating body condition scoring using imaging technology. Therefore, the objective was to implement a commercially available automated body condition scoring (ABCS) camera system to collect data for developing a predictive equation of body condition dynamics throughout the lactation period. Holstein cows (n = 2343, parity = 2.1 ± 1.1, calving BCS = 3.42 ± 0.24), up to 300 days in milk (DIM), were scored daily using two ABCS cameras mounted …