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Receiving And Backgrounding Phase Management: The Effects Of Receiving Diet Roughage Source And Backgrounding Phase Rate Of Gain On Performance Of Feedlot Cattle, Ethan J. Blom
Electronic Theses and Dissertations
Management of cattle during the receiving and backgrounding phases can influence the performance of feedlot cattle. The receiving phase is a stressful time for cattle entering the feedlot and quickly adapting cattle to milled feed can impact their productivity. Silages are often viewed as less desirable feedstuffs in receiving diets for newly-weaned calves. The objective of this 2-yr study was to evaluate effects of roughage source in receiving diets on cattle performance, diet mixing, and diet integrity. Steer calves (yr 1, n = 180; yr 2, n = 210) were weaned and immediately transported 580 km. Calves were allotted to …
Brassica Carinata Growth And Yield Response To Nitrogen And Sulfur Fertilizers And Impacts On Selected Soil Parameters And Ghg Fluxes, Dwarika Bhattarai
Brassica Carinata Growth And Yield Response To Nitrogen And Sulfur Fertilizers And Impacts On Selected Soil Parameters And Ghg Fluxes, Dwarika Bhattarai
Electronic Theses and Dissertations
Carinata (Brassica carinata A. Braun), a non-food oilseed crop and an alternative bio-jet fuel feedstock, has received attention for its potential as a low-input option for production in the semi-arid regions of the Northern Great Plains of USA. The crop has a lower N fertilizer requirement as compared to the other oilseeds, suggesting less negative impact on soils and GHGs emissions. Carinata is a new crop to South Dakota (SD), thus, the best management practices have yet to be developed. In addition, no sufficient research to address the impact of growing carinata on soils and GHG emissions has been …
3d Printed Bioreactor With Optimized Stimulations For Ex-Vivo Bone Tissue Culture, Anirban Chakraborty
3d Printed Bioreactor With Optimized Stimulations For Ex-Vivo Bone Tissue Culture, Anirban Chakraborty
Electronic Theses and Dissertations
Motivation: Long term tissue survivability ex-vivo can greatly facilitate research on the influence of external stimulus (loading, radiation, microgravity) on the tissue, including mechanisms of disease transmission and subsequent drug discoveries. Bioreactors (used to culture living tissue ex-vivo) can be a valuable tool to study cell activity during physiological processes by mimicking their in-vivo native 3D environment.
Objective Statement: We have developed a compact, 3D printed bioreactor equipped with both continuous flow-perfusion and dynamic mechanical-loading stimulations, capable of maintaining ex-vivo viability of swine cancellous bone cores over a long period. Qualitative study of the cultured cores (in terms of …
Tropical Forest Canopy Height And Aboveground Biomass Estimation Using Airborne Lidar And Landsat-8 Data, A Sensitivity Study With Respect To Landsat-8 Data Temporal Availability, In Mai Ndombe Province, Democratic Republic Of Congo, Herve B. Kashongwe
Electronic Theses and Dissertations
Tropical forests’ structure information, such as forest canopy height, is a key component in any estimate of carbon stock. Tropical rainforests constitute the most forested ecosystems that harbor the largest biodiversity on Earth and store more carbon (above and belowground biomass) than any other ecosystem in the world. However, estimates of forest canopy structure is lacking over most of the regions that host this ecosystem because of both the structure’s complexity of this ecosystems and the incomplete or lack of up-to-date national forest inventory data necessary to derive forest canopy height and aboveground biomass. This study explores the capability of …
Bovine Cellular And Innate Immune Response To Hemostatic Polysaccharides, Brian Kobylkevich
Bovine Cellular And Innate Immune Response To Hemostatic Polysaccharides, Brian Kobylkevich
Electronic Theses and Dissertations
Chronic wounds are longstanding dermal wounds that do not heal in a normal amount of time and can commonly last for over a year. These wounds plague humans and farm animals alike. Wounds are characterized by chronic inflammation and are often painful, difficult to heal, have a high recurrence rate, and are potentially debilitating. Long term wounds that do not fully heal are distressing for both humans and animals, but understandably more resources have been directed towards humans. Some treatment options for humans may be suitable for adaptation into the field of animal care. Chronic lesions such as bovine digital …
Development Of Enhanced Weed Detection System With Adaptive Thresholding, K-Means And Support Vector Machine, Dheeman Saha
Development Of Enhanced Weed Detection System With Adaptive Thresholding, K-Means And Support Vector Machine, Dheeman Saha
Electronic Theses and Dissertations
This paper proposes a sophisticated classification process to segment the leaves of carrots from weeds (mostly Chamomile). In the early stages, of the plants’ development, both weeds and carrot leaves are intermixed with each other and have similar color texture. This makes it difficult to identify without the help of the domain experts. Therefore, it is essential to remove the weed regions so that the carrot plants can grow without any interruptions. The process of identifying the weeds become more challenging when both plant and weed regions overlap (inter-leaves). The proposed system addresses this problem by creating a sophisticated means …
Mean Nutrition And Physical Activity Knowledge Score Of Children Ages 3-5 Years In The Igrow Readers Intervention, Mollie Loes
Mean Nutrition And Physical Activity Knowledge Score Of Children Ages 3-5 Years In The Igrow Readers Intervention, Mollie Loes
Electronic Theses and Dissertations
The prevalence of childhood obesity remains high within the United States, which can lead to long-term harmful effects. During the first five years of children’s lives, healthy eating habits and physical activity patterns are formed, so the preschool years are a critical time to begin obesity prevention (4). Because the preschool years are crucial for providing healthy eating habits and physical activity patterns, there is the need for childhood obesity interventions. iGrow Readers is a cluster-randomized control study concentrated on children 3-5 years of age recruited from childcare centers from South Dakota, Nebraska, and Minnesota. Fourteen child care centers with …
Interactions Of Arbuscular Mychorrhizal Fungi And Bacterial Endophytes On Disease Resistance Of Common Root Pathogens In Wheat, Janice L. Eibensteiner
Interactions Of Arbuscular Mychorrhizal Fungi And Bacterial Endophytes On Disease Resistance Of Common Root Pathogens In Wheat, Janice L. Eibensteiner
Electronic Theses and Dissertations
Arbuscular mycorrhiza, a symbiosis between plants and fungi, help plants to capture nutrients such as phosphorus (P), nitrogen (N) and other micronutrients from the aggre in exchange for up to 20% of the fixed carbon (C) from the plant. In addition, arbuscular mycorrhizal (AM) fungi can improve the resistance against abiotic (drought, salinity), and also biotic (pathogen) stresses. Bacterial endophytes promote plant growth and yield by fixing N2 from the atmosphere, assimilating N and transfer it to the plant. Bacterial endophytes can also solubilize phosphate and stimulate plant defense responses, suppressing pathogens. The host plant provides sucrose and a favorable …
Integration Of Molecular Techniques For The Investigation Of Bovine Respiratory Disease, Amy Abrams
Integration Of Molecular Techniques For The Investigation Of Bovine Respiratory Disease, Amy Abrams
Electronic Theses and Dissertations
Bovine respiratory disease (BRD) is the leading cause of morbidity and mortality in the cattle industry. The complexity of host, pathogen, and environmental factors contributing to the incidence of BRD necessitate a multifaceted approach to investigate BRD. A greater understanding of pathogenic and genetics factors associated with BRD would improve prevention and treatment of BRD. Due to the complexity of BRD, genetic technologies have been limited in their ability to identify a genetic basis for BRD. Pooling of DNA samples prior to extraction can increase the ability to conduct genotyping studies of complex traits. Once generated, new information and management …
Development Of Computational Techniques For Identification Of Regulatory Dna Motif, Cankun Wang
Development Of Computational Techniques For Identification Of Regulatory Dna Motif, Cankun Wang
Electronic Theses and Dissertations
Identifying precise transcription factor binding sites (TFBS) or regulatory DNA motif (motif) plays a fundamental role in researching transcriptional regulatory mechanism in cells and helping construct regulatory networks for biological investigation. Chromatin immunoprecipitation combined with sequencing (ChIP-seq) and lambda exonuclease digestion followed by high-throughput sequencing (ChIP-exo) enables researchers to identify TFBS on a genome-scale with improved resolution. Several algorithms have been developed to perform motif identification, employing widely different methods and often giving divergent results. In addition, these existing methods still suffer from prediction accuracy. Thesis focuses on the development of improved regulatory DNA motif identification techniques. We designed an …
A Review Of The Genus Acrisis Foerster (Hymenoptera: Braconidae) With A New Species From American Licorice And A Survey Of Aphid Parasitoids Of Soybean Fields In Eastern South Dakota, Abigail P. Martens
Electronic Theses and Dissertations
The diversity of parasitoid wasps (Hymenoptera: Braconidae) in South Dakota is largely unexamined despite these wasps providing innumerable important ecological and biological services and being an essential part of natural and agricultural ecosystems. A new species of Acrisis Foerster was reared and is described from the native prairie legume Glycyrrhiza lepidota (Nuttall) Pursh, a plant studied for its potential for conservation and remediation. A large insect guild of seed predators and their associated parasitoids and hyperparasitoids reported from G. lepidota provides a list of potential hosts associated with the new parasitoid species. The agriculturally significant legume soybean, Glycine max (L.) …
Localized Transdermal Delivery Of Chemopreventive Agents To The Breast, Abdulsalam Alqahtani
Localized Transdermal Delivery Of Chemopreventive Agents To The Breast, Abdulsalam Alqahtani
Electronic Theses and Dissertations
Breast cancer is the second leading cause of cancer death in women. About 1 in 8 women will develop breast cancer in their lifetime. The current systemic approaches are associated with significant side effects including some life-threatening toxicity, leading to poor patient compliance. To overcome this limitation, localized transdermal drug delivery system was investigated in the current study. In addition, majority of breast cancers originate from the ducts and lobules in the breast. Therefore, localized transdermal drug delivery system can maximize drug concentration in the breast and minimize systemic adverse effects, resulting in a potential approach for preventing and/or treating …
Using Isoconversional Methods To Study The Effect Of Antioxidants On The Oxidation Kinetics Of Milk Fat, Khalid Ahmed Alsaleem
Using Isoconversional Methods To Study The Effect Of Antioxidants On The Oxidation Kinetics Of Milk Fat, Khalid Ahmed Alsaleem
Electronic Theses and Dissertations
Milk fat is a versatile ingredient because of its nutritional value, functionality, and flavor. During processing and storage, milk fat may undergo oxidation resulting in many undesirable changes such as unpleasant flavor and aroma, and formation of toxic compounds. A common practice to prevent the oxidation of milk fat is by the addition of antioxidants. It is worth to mention that little is known on the effect of antioxidants on the oxidation kinetics. In this work, the effect of selected antioxidants on the oxidation kinetics of anhydrous milk fat (AMF) under non-isothermal conditions was investigated. AMF with an addition of …
Increasing Accumulation Of Glyceollins In Soybeans Via Optimization Of The Fungal Incubation Process, Stephanie Wootton
Increasing Accumulation Of Glyceollins In Soybeans Via Optimization Of The Fungal Incubation Process, Stephanie Wootton
Electronic Theses and Dissertations
Continual use of antibiotics in the feed of food animals was viewed a solution to the problem of disease outbreaks in livestock produced in confinement operations. This practice also improved animal performance, likely due to the reduction in sub-clinical infections. Unfortunately, this practice led to a new problem, the development of antibiotic resistant microbes. This increase in antibiotic resistance reduced the direct benefits of antibiotics in animal production. Moreover, as antibiotic resistance spread from animal to human pathogens, this practice created a major public health concern. This led the FDA to enact the Veterinary Feed Directive in 2017 that greatly …
Data-Driven Test Cases For Sustainability Assessment Of Smart Grid Initiatives In Organized Electricity Markets, Venkat Durvasulu
Data-Driven Test Cases For Sustainability Assessment Of Smart Grid Initiatives In Organized Electricity Markets, Venkat Durvasulu
Electronic Theses and Dissertations
The primary aim of this dissertation is to deliver a technique to augment power system test cases with realistic open-source data to represent a deregulated power system. These test cases are intended to be used by power system researchers who require a test case that is capable of performing economic and environmental analysis on a bulk-power level. These test cases are capable of estimating the cost of bulk-energy for economic analysis and harmful greenhouse gas (GHG) and air polluting (AP) emissions for environmental sustainability analysis. These cases are developed for simulations that are intended to be at the transmission level …
Fabrication Of Topical Film Forming Polymeric Solution For Pain Management, Maha Hani Alkurdi
Fabrication Of Topical Film Forming Polymeric Solution For Pain Management, Maha Hani Alkurdi
Electronic Theses and Dissertations
FFS were developed by varying the type and content of the film forming polymer. The resulting formulations were evaluated according to favorable film characteristics in vitro and ex vivo drug release profiles. Eudragit E100 was identified as a suitable release matrix for ketoprofen. In the case of diclofenac Na; however the ex vivo permeation study results failed to show a characteristic release profile for either the test formulation or the marketed formulation VOLTAREN® Gel. Nevertheless the presented work provided a rationalized way for the development and evaluation of FFS and investigated their potential as delivery systems for ketoprofen and diclofenac …
A Study On The Comparison Of Sample Location Of Pultruded Composites Exposed To Corrosive Environment, Md Mahmudul Hasan
A Study On The Comparison Of Sample Location Of Pultruded Composites Exposed To Corrosive Environment, Md Mahmudul Hasan
Electronic Theses and Dissertations
Composite structures may experience different environments during their prolonged service life. These environments may include corrosive, acidic or both or many others that can adversely affect the mechanical properties of the structural composites. Various studies have been done on the environmental effects on the composites but only a few are on structural shaped pultruded composites. More specifically, none of the studies tell anything about the effects of corrosive media on the locations of the structural shaped pultruded composites coupon samples. Hence, this current study focused on two primary objectives, 1) the durability characterization of structural shaped pultruded composites after an …
Gender Roles, Sexual Assertiveness, And Sexual Coercion In Lgbtq Individuals, Lavina Ying Ho
Gender Roles, Sexual Assertiveness, And Sexual Coercion In Lgbtq Individuals, Lavina Ying Ho
Electronic Theses and Dissertations
Sexual violence is a prominent community issue particularly within the LGBTQ+ community. The present study examined the relationships among gender roles sexual assertiveness and sexual victimization as well as sexual perpetration in a LGBTQ+ population. For most severe form of sexual violence victimization in the past year 17.6% reported having been raped. Moderated logistic regression analyses found that both gender roles and sexual assertiveness independently predicted severity of sexual victimization and perpetration. No interactions were found to predict either sexual victimization or sexual perpetration. Specifically the femininity gender role and lower levels of sexual assertiveness predicted greater likelihood for victim …
Use Of Seismic Refraction In Determining Rock Mass Anisotropy, Mohammad Najmush Sakib Oyan
Use Of Seismic Refraction In Determining Rock Mass Anisotropy, Mohammad Najmush Sakib Oyan
Electronic Theses and Dissertations
Seismic refraction is a popular method used by geological/geotechnical engineers to understand subsurface conditions. This method along with information collected from borings produce a realistic image of the ground beneath us. The goal of this study is to define and test a set of procedures to use seismic refraction alone to create high quality images of subsurface conditions. The focus is on areas with several meters of soil overlain by bedrock. The application of these procedures will minimize construction costs by eliminating the need for multiple boreholes. The results show that two important criteria must be met for successful application …
Is It Racism, Colorism, Or A Pigment Of Your Imagination? A Study On The Invisible Color Line, Yolanda Rodriguez
Is It Racism, Colorism, Or A Pigment Of Your Imagination? A Study On The Invisible Color Line, Yolanda Rodriguez
Electronic Theses and Dissertations
Participants were 324 self-identified ethnic/racial minority adults recruited from a southern university in the United States and an online community (MTurk workers) primarily ranging in age from 18-30 (78.4%). Participants completed a demographic questionnaire and a measure for each of the variables of interest. A moderated mediation analysis was conducted using PROCESS (Hayes 2013) model 8. It was hypothesized that acculturation modality (X) would predict skin lightening behaviors and attitudes (Y) through three mediators (M1: Discrepancy scores M2: Satisfaction with Skin Color and M3: Desire to Change Skin Color). Psychological well-being was predicted to be a moderator (W) of the …
Characterization Of Hydrogen Bonding, Halogen Bonding And Argyrophilic Interactions Using Computational Modeling, Sarah Nicole Arradondo
Characterization Of Hydrogen Bonding, Halogen Bonding And Argyrophilic Interactions Using Computational Modeling, Sarah Nicole Arradondo
Electronic Theses and Dissertations
Non-covalent interactions govern multiple important chemical processes throughout nature from those within the human body to the complex environment of the atmosphere. Quantum mechanical electronic structure modeling of these relatively weak interactions can provide molecular level insight that can further our understanding of specific macroscopic properties. In the present work different non-covalent interactions are computationally evaluated within four systems. A small prototypical hydrogen bonded system and the various structural motifs that promoted proton transfer within concentrated acid and water clusters are characterized with sophisticated wavefunction based methods and large robust basis sets in order to accurately predict the structures energies …
The Independent And Combined Effects Of Hypoxia And Tributyltin On The Eastern Oyster, Crassostrea Virginica, Ann Fairly Barnett
The Independent And Combined Effects Of Hypoxia And Tributyltin On The Eastern Oyster, Crassostrea Virginica, Ann Fairly Barnett
Electronic Theses and Dissertations
Oysters are vital to the health of estuarine ecosystems and provide critical ecosystem services, such as water quality improvement, nursery habitat for commercially important fisheries, and shoreline stabilization. Despite their ecological and economic importance, oyster reefs are exposed to many stressors, and oyster populations in Mississippi have declined dramatically in recent years. The present study focuses on the effects of hypoxia and tributyltin (TBT) on the Eastern oyster, Crassostrea virginica. Hypoxic events are increasingly comin coastal ecosystems worldwide, and TBT is a legacy toxicant once used as an antifoulant. The effects of these stressors were assessed on adult oysters deployed …
A Study Of Cooperative Spectrum Sharing Schemes For Internet Of Things Systems, Adham Hagag
A Study Of Cooperative Spectrum Sharing Schemes For Internet Of Things Systems, Adham Hagag
Electronic Theses and Dissertations
The Internet of Things (IoT) has gained much attention in recent years with the massive increase in the number of connected devices. Cognitive Machine-to-Machine (CM2M) communications is a hot research topic in which a cognitive dimension allows M2M networks to overcome the challenges of spectrum scarcity, interference, and green requirements. In this paper, we propose a Generalized Cooperative Spectrum Sharing (GCSS) scheme for M2M communication. Cooperation extends the coverage of wireless networks as well as increasing their throughput while reducing the energy consumption of the connected low power devices. We study the outage performance of the proposed GCSS scheme for …
Examining The Internal & External Factors That Motivate Inmates’ Participation Among Various Prison Programs, Kornicha Shaneice Johnson
Examining The Internal & External Factors That Motivate Inmates’ Participation Among Various Prison Programs, Kornicha Shaneice Johnson
Electronic Theses and Dissertations
Prison programming has been linked to reducing recidivism and re-incarceration, yet only a small percentage of prison programs are completed by inmates (Duwe, 2018). The demand in preparing inmates for reentry is crucial and ongoing. Studies have tried to understand the failure of prison program completion; however, research has not been aimed at specifically locating the internal and external factors that encourages this voluntary participation. This study examines internal and external motivation in order to find what factors influence inmates’ decision to pursue prison programs. This study contributes to link these factors to the programming types of religious, educational, treatment, …
The Evolution Of Coral Snake Mimicry, Renan Janke Bosque
The Evolution Of Coral Snake Mimicry, Renan Janke Bosque
Electronic Theses and Dissertations
Scientists have regarded mimicry as one of the most amazing examples of the power of natural selection. Early observations by naturalists of the mimetic association between venomous New World coral snakes of the genus Micrurus and harmless mimics has stimulated an intense debate about the causes and consequences of mimicry that persists today. Despite its medical, evolutionary and historical importance our understanding of evolution within the genus Micrurus is negligible. My dissertation explores the evolution of mimicry within South American coral snakes and their mimics using a multi-scale framework involving macroevolutionary (Chapter I), geographic/morphological concordance (Chapters II and III), behavioral …
Twin Text In The Secondary Social Studies And English Classroom, Sarah Booth Quong
Twin Text In The Secondary Social Studies And English Classroom, Sarah Booth Quong
Electronic Theses and Dissertations
This mixed-method study explores the implementation of Twin Text and its effectiveness in the U.S. History and English classrooms with regard to: mastery of the objectives laid out within the course curriculum, perpetuation of deeper learning, and fostering empathy and civic engagement through the use of Twin Text involving tenth and eleventh grade students and United States History and English teachers. The study answers the following questions: (1) What are the experiences of students in a Twin Text setting classroom environment? Three sub questions emerged: (A) In what ways does cross-curriculum teaching with an English Language Arts instructor affect student …
Stabilization Of Dna I-Motif Structures By 7-Aminoactinomycin D, An Anti-Tumor Drug, Justin Lane Parmely
Stabilization Of Dna I-Motif Structures By 7-Aminoactinomycin D, An Anti-Tumor Drug, Justin Lane Parmely
Electronic Theses and Dissertations
Alternative DNA structures are likely to form from Watson-Crick B-form DNA when antitumor drug known to bind DNA loops -- can affect the iM structure. Our results demonstrate as an i-motif (iM). While both structures are known to exist in vivo they are energetically uphill can utilize intercalating cytosine-cytosine base pairing to form a four-stranded structure known controlled by alternative DNA structures like G4s and iMs. especially during processes that involve superhelical duress. A guanosine rich strand can form a facilitate their stabilization. In this report we present data on how 7-aminoactinomycin D -- an formation. Earlier it was believed …
Dialogic Feedback And Its Effects On English Language Learners’ Writing Development: A Case Study, Shokhsanam Djalilova
Dialogic Feedback And Its Effects On English Language Learners’ Writing Development: A Case Study, Shokhsanam Djalilova
Electronic Theses and Dissertations
This exploratory case study aimed to investigate the meanings that second language (L2) learners derive from their writing purposes revising processes and their engagement with dialogic feedback. The goal was to grasp the meaning that revision experiences had for L2 learners (n=17) and to understand the context within which they were operating and its influence on their revision behavior. In order to gain a better understanding of L2 learner engagement and investment in the revision processes which were bound to time and context the case study was built upon an ecological-semiotic approach to learning. The case study aimed to construct …
Theranostics Based On Linear Dendritic Block Copolymers, Jon Williams
Theranostics Based On Linear Dendritic Block Copolymers, Jon Williams
Electronic Theses and Dissertations
When combining imaging and therapeutic motifs, known as theranostics, amphiphilic diblock copolymers have a strong precedent of success. These polymers can self-assemble into a variety of morphologies that are known to concentrate in areas of inflammation such as tumors. However, prediction of size and morphology from polymer structure still remains an open challenge. Another system with promise of therapeutic efficacy are tree-like struc- tures known as dendrimers, such as poly(amidoamine) (PAMAM) and bis-(hydroxymethyl) propionic acid (bMPA), which can uptake drugs and dyes into their branches. It is desireable to combine these two motifs, using linear-dendritic block copolymers (LDBCs). These represent …
Cultural Influences On Body Size Ideals Among African American Women In The Mississippi Delta, Lois Marie Coleman
Cultural Influences On Body Size Ideals Among African American Women In The Mississippi Delta, Lois Marie Coleman
Electronic Theses and Dissertations
Results: One-on-one interviews yielded 25 cognitive maps. The maps contained a total of 169 concepts with 294 connections among them. The lowest number of variables identified on a participant’s map was 4 and the highest was 11. The lowest number of connections made on a participant’s map was 4 and the highest was 39. Through qualitative condensing and matrix addition, the 169 concepts were used to create 27 variables with 134 connections. Feedback from focus group participants resulted in the addition of 3 variables and 9 connections.