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Full-Text Articles in Entire DC Network
Machine-Learning And Meta-Analysis Techniques To Quantify And Predict Soil Organic Carbon, N2O-N And Co2-C Emissions In Cover Crop Systems, Deepak Raj Joshi
Machine-Learning And Meta-Analysis Techniques To Quantify And Predict Soil Organic Carbon, N2O-N And Co2-C Emissions In Cover Crop Systems, Deepak Raj Joshi
Electronic Theses and Dissertations
People worldwide are challenged by multiple threats including climate change, growing populations, and soil degradation. Addressing these challenges requires understanding of the local environment, farming systems and modern technologies. These technologies include new ways to process information that include artificial intelligence, machine learning and meta-analysis. Models produced using these technologies may be useful for predicting the consequences of implementing conservation practices that reduce GHG emissions as well as for determining the carbon footprint of cropping systems that include environmentally friendly conservation technologies such as growing cover crop. Therefore, our objectives of this study were to: 1) provide an overview of …
Modeling The Flow And Creep Compliance Properties Of Ice-Cream Mixes, Hiran Ranaweera
Modeling The Flow And Creep Compliance Properties Of Ice-Cream Mixes, Hiran Ranaweera
Electronic Theses and Dissertations
This work documented the influence of the protein source (MPC80 and WPC80), protein content (4-12%), and temperature (5-35ºC) on the rheological behavior (flow curve, frequency sweep, and creep-recovery) of ice-cream mixes (ICM). For each protein source, the viscosity of the ICM was satisfactorily modeled (𝑅2>0.98, 𝑅2 𝑎𝑑𝑗>0.98, and E0.99), while the recovery phase was represented by an empirical model. The percentage of recovery (%R) of the ICM significantly decreased with the protein content.
Characterization Of Porcine Respiratory Epithelial Cells And Their Innate Immune Responses To Bacterial And Viral Ligands, Yam Prasad Gautam
Characterization Of Porcine Respiratory Epithelial Cells And Their Innate Immune Responses To Bacterial And Viral Ligands, Yam Prasad Gautam
Electronic Theses and Dissertations
In response to a pathogenic attack, the host produces a series of defense mechanisms through various intracellular signaling pathways. The byproduct of these signaling pathways helps tackle the invading pathogen and protects the body from getting into a diseased state. This system is called the immune system. The immune system can be divided into two branches namely the innate immune system and adaptive immune system. The groups of immune cells that provide protection regardless of the pathogen specificity constitute the innate immune system. The system that acts according to the pathogen specificity is called the adaptive immune response. The production …
Students’ Perceptions Of Specific Laboratory Curricula On The Learning Experience In Chemistry Courses, Arwa Ali Alshehri
Students’ Perceptions Of Specific Laboratory Curricula On The Learning Experience In Chemistry Courses, Arwa Ali Alshehri
Electronic Theses and Dissertations
Laboratory courses play a key role in developing critical thinking and problem-solving skills and providing experience in certain aspects of a laboratory setting including reactions, materials, and equipment. Prior studies suggest that a laboratory course assists students toward cognitive gain on lecture content. In contrast, other studies conclude that laboratory is uncorrelated with cognitive gain on lecture content. Thus, a discord exists between researchers regarding the role that laboratory experiences play in furthering the understanding of chemistry concepts taught in lectures. The purpose of this research is to examine the impact of two different laboratory curricula on students’ performance in …
Emerging Respiratory Viral Pathogens, April Nelsen
Emerging Respiratory Viral Pathogens, April Nelsen
Electronic Theses and Dissertations
Respiratory disease is arguably the most important health concern for the production animal industry [1-3]. Respiratory problems accounted for the highest mortality both in the swine and beef industries [1, 4]. Respiratory pathogens remain the most vital for swine and bovine research and disease monitoring [2, 5-7]. As pathogens, in particular viral pathogens, mutate, novel disease-causing viruses emerge, and there becomes an increasing concern and need for identification with control perimeters. One frequently identified disease syndrome is Porcine Respiratory Disease Complex (PRDC). PRDC is characterized by pneumonia of mixed respiratory infections with contributions from the environment and management practices. The …
Evaluating The Effects Of Medium Chain Fatty Acids On Sow Reproductive Characteristics, Offspring Biological Health Markers, And Growth Performance, Analicia J. Swanson
Evaluating The Effects Of Medium Chain Fatty Acids On Sow Reproductive Characteristics, Offspring Biological Health Markers, And Growth Performance, Analicia J. Swanson
Electronic Theses and Dissertations
A sow’s diet can influence and her offspring not only in the suckling period, but well after weaning. The objective of this study was to determine how supplementing medium chain fatty acids (MCFA) in gestation and lactation impacted offspring growth performance as well as the biological markers of pig quality from the suckling period until week 6 of the nursery period. A total of 77 primparious and multiparious females and their 438 offspring were utilized in this study. Sows and gilts (218.15 kg ± 32.15 kg BW at d28 of gestation) were assigned to one of 2 dietary treatments: Control …
Rhetorical Criticism Of Trevor, Alexis Johnson
Rhetorical Criticism Of Trevor, Alexis Johnson
Schultz-Werth Award Papers
Released in 1994, the short film, Trevor, shares the story of a 13-year-old boy as he navigates the complexities of sexual orientation in America. Written by James Lecesne, the short film incorporates his personal experiences with growing up as a queer individual in the LGBTQ+ community and the socio-political concerns of rising suicide rates of LGBTQ+ youth. Throughout the film, Trevor must traverse the intricacies of sexual orientation in 1981, while facing a lack of support from his parents, and harsh criticism from his friends and peers. Trevor, as a rhetorical act, holds great significance in the United States with …
Southeast South Dakota Experiment Farm Annual Progress Report, 2022, Southeast South Dakota Research Farm
Southeast South Dakota Experiment Farm Annual Progress Report, 2022, Southeast South Dakota Research Farm
Agricultural Experiment Station and Research Farm Annual Reports
This is an annual report of the research program at the Southeast South Dakota Research Farm in cooperation with South Dakota Agricultural Experiment Station and the SDSU College of Agriculture, Food, and Environmental Sciences and has special significance for those engaged in agriculture and the agriculturally related businesses in the ten county area of Southeast South Dakota. The results shown are not necessarily complete or conclusive. Interpretations given are tentative because additional data resulting from continuation of these experiments may result in conclusions different from those based on any one year.
A Review Of Virus-Vectored Vaccines: Current Production Methods, Uses, Issues, And Future Perspectives, Jaden Marks
A Review Of Virus-Vectored Vaccines: Current Production Methods, Uses, Issues, And Future Perspectives, Jaden Marks
Biology and Microbiology Graduate Students Plan B Research Projects
Viral vector vaccines have recently risen to the forefront of vaccinology, but there are multiple factors that must be addressed before they achieve widespread approval and use. The concept of using viruses as vectors is not new, and numerous attempts to create vaccines that utilize virus vectors have been made in the past 25 years. Despite this, only one viral vector vaccine has gained full approval by the FDA. The goal of this review is to provide a comprehensive overview of the types of viral vector vaccines, production and purification methods, current and future viral vector vaccines, the issues and …
Review Of A Chimeric Hemagglutinin-Based Influenza Vaccine Approach, Whitney Muck
Review Of A Chimeric Hemagglutinin-Based Influenza Vaccine Approach, Whitney Muck
Biology and Microbiology Graduate Students Plan B Research Projects
Influenza virus has affected human populations for centuries, causing an acute respiratory effect on the body. Even with scientific advancements in vaccine research, there are still serious limitations to the influenza vaccine. Varying strains and the constant recombination of the influenza virus has caused annual influenza circulation to be difficult to predict. The ongoing 40 race to develop a more efficient vaccine to broadly protect against the variety of influenza strains remains a public health priority. Many strategies have been studied to improve the current vaccine. The use of a chimeric hemagglutinin-based vaccine is in the first stages of human …
Diversity And Inclusion In Science Teaching Learning (Distl): Focusing On The Perspectives Of Undergraduate Students And Graduate Teaching Assistants In The Chemistry Classroom, Albert Aidoo
Electronic Theses and Dissertations
Students in Science, Technology, Engineering and Mathematics (STEM) come with a wide range of experiences and educational backgrounds. There is high attrition rate and low academic achievement among students in STEM areas, specifically in college chemistry courses that are prerequisites for many STEM majors. Hence it is important to look at diversity and inclusion specifically in first- and second-year college chemistry courses to address the challenge of student attrition in STEM. Diversity can be understood as the differences each student brings along the dimensions of prior knowledge, skills, race, ethnicity, sexual orientation, gender, socio-economic status, age, ability, religious or political …
Genome-Wide Identification Of Wrky Transcription Factor Encoding Genes In Amborella Trichopoda Baill. (Amborellaceae), Bijaya Pradhan
Genome-Wide Identification Of Wrky Transcription Factor Encoding Genes In Amborella Trichopoda Baill. (Amborellaceae), Bijaya Pradhan
Electronic Theses and Dissertations
WRKY transcription factors (TFs) are DNA-binding proteins, which play important roles in managing plant stresses and regulating growth and development processes. The WRKY TF family has expanded significantly through genome/gene duplications in the plant evolutionary process. Although the WRKY TFs have been identified in hundreds of plant species, they are yet to be identified in Amborella trichopoda, a species that represents the most basal group of Angiosperms. The main objectives of this study were to conduct genome-wide identification of the WRKY gene family in A. trichopoda and to assess their homologs in Angiosperms. In this study, we identified …
Effects Of Conservation Management Practices On Soil Health And Crop Yields In Eastern South Dakota, Alex Mclain
Effects Of Conservation Management Practices On Soil Health And Crop Yields In Eastern South Dakota, Alex Mclain
Electronic Theses and Dissertations
Conservation management practice adoption on agricultural land has increased in recent years due to increasing public and private investment. The anticipated impact of increasing conservation management practice adoption are reduced greenhouse gas emissions and improved soil, water, and air quality. Understanding how these conservation management practices affect agricultural producers economically is vital to properly incentivize these practices. The existing literature on how conservation management practices affect soil health and crop yields is mixed and generally has been conducted on experimental research stations. These studies may not fully account for the on-farm effects of conservation management practices. The objectives of this …
Trace Mineral Source And Inclusion Level On Wean-To-Finish Pig Production, Marissa Larosae
Trace Mineral Source And Inclusion Level On Wean-To-Finish Pig Production, Marissa Larosae
Electronic Theses and Dissertations
Trace mineral requirements to optimize production for swine are not well defined, leading to excess trace mineral supplementation in swine diets and ultimately to excess trace minerals excreted in swine manure. Potential strategies to reduce the waste of excess trace minerals in diets include utilizing organic sources with higher bioavailability or reducing the overall trace mineral supplementation in the diet. Two studies were conducted in an effort to determine if utilizing organic trace minerals or reducing trace mineral inclusion into diets has an impact on overall performance measurements for nursery and grow-finish pigs, respectively. The first experiment utilized 1,144 weaned …
E. Coli Persister Cell Survival And Rhizobia Attachment To Soybean Roots, Tanim Islam
E. Coli Persister Cell Survival And Rhizobia Attachment To Soybean Roots, Tanim Islam
Electronic Theses and Dissertations
The theme of this thesis revolves around how bacteria respond and thrive during stress. Chapters 1-3 are about how bacteria deal with life-threatening antibiotics. Chapter 4 covers new research on how bacteria can move from a stressful individual lifestyle (free-living bacteria) to initiating a symbiotic relationship with a plant (a less stressful lifestyle). In Chapter 1, I briefly summarize the current state of knowledge in the field of antibiotic resistance and persistence. In Chapter 2, I add to this knowledge by providing new insights into several antibiotics' potency and exploring the antibiotic Eagle effect. In Chapter 3, I use pyruvate …
A Novel Crispr/Cas Gene Editing System For Plants Which Bypasses Genetic Transformation And Tissue Culture, Aastha Acharya
A Novel Crispr/Cas Gene Editing System For Plants Which Bypasses Genetic Transformation And Tissue Culture, Aastha Acharya
Electronic Theses and Dissertations
CRISPR/Cas system is a powerful gene-editing tool that has revolutionized gene editing in many ways. However, the current delivery methods for using CRISPR/Cas system inn plants have some drawbacks that have greatly limited their routine application in plant research and improvement. Specifically,, the methods heavily rely on either genetic transformation for delivering Cas and/or its gRNA coding sequences into the targeted cells or tissue culture, or both for recovering the whole edited plants. To overcome these drawbacks, we have developed a simple, easy to use yet effective system for CRISPR/Cas gene editing in plants that can bypass genetic transformation and …
South Dakota State University : Research 2021, Division Of Research And Economic Development
South Dakota State University : Research 2021, Division Of Research And Economic Development
State of Discovery South Dakota State University's Research Magazine
[Page] 2 Prasad first ME faculty member to receive NSF CAREER Award
[Page] 4 NSF project analyzes new material for next-generation batteries
[Page] 6 SDSU Poll captures pulse of South Dakota electorate
[Page] 8 Hillman grant to bring palliative care to rural, Native American cancer patients
[Page] 10 NIH grant to advance curcumin formulation for colon inflammation
[Page] 12 Rosemary compound may help postpartum cows
[Page] 14 Precision ag research initiatives to 14 build innovation ecosystem
[Page] 16 POET Bioproducts Institute to transition research to marketplace
[Page] 17 Fy21 research expenditures at $51.5 million
Beneficial Plant-Microbe Interactions To Improve Nutrient Uptake And Biotic Stress Response In Crops, Jaya Krishna Yakha
Beneficial Plant-Microbe Interactions To Improve Nutrient Uptake And Biotic Stress Response In Crops, Jaya Krishna Yakha
Electronic Theses and Dissertations
Mutualism is a very common phenomenon among living organisms on earth. Legumes because of their high protein content, serve as a great nutrient resource for animals. This group of plants can form a mutualistic symbiosis with beneficial microbes. For example, Alfalfa (Medicago) and soybean (Glycine max) can get colonized with arbuscular mycorrhizal fungi (AMF) and rhizobia bacteria simultaneously forming a complex tripartite interaction for nutrient benefits. Most of the previous research evaluated individual symbionts, either rhizobia bacteria or AMF, but not both. There are only a few reports which discuss the nutrient exchange mechanisms in a tripartite interaction. Thus, there …
Evaluating Fungicide Timing, Efficacy, And Sensitivity As Well As Candidate Resistance Genes Against Fungi Causing Phomopsis Stem Canker In Sunflower, Ruchika Kashyap
Evaluating Fungicide Timing, Efficacy, And Sensitivity As Well As Candidate Resistance Genes Against Fungi Causing Phomopsis Stem Canker In Sunflower, Ruchika Kashyap
Electronic Theses and Dissertations
Phomopsis stem canker is one of the major diseases of sunflower (Helianthus annuus L.) caused by complex of Diaporthe spp., in the U.S. This disease became of economic importance after 2010 epidemic in Minnesota, North Dakota, and South Dakota and since then the prevalence of this diseases has increased due to increased average precipitation in these major sunflower growing regions of the U.S. The two important disease management strategies involve the use of fungicides and partially resistant hybrids. However, over the years, researchers and growers have seen varied results on Phomopsis stem canker disease severity reduction and yield gains, when …
Optimization Of Forage Use In Diets Fed To Backgrounding And Finishing Cattle In The Northern Great Plains, Thomas G. Hamilton
Optimization Of Forage Use In Diets Fed To Backgrounding And Finishing Cattle In The Northern Great Plains, Thomas G. Hamilton
Electronic Theses and Dissertations
The two studies in this thesis were conducted to: 1) investigate the impact of corn silage moisture content and kernel processing at harvest on growth performance, efficiency of dietary net energy utilization, and carcass traits in finishing steers when fed at 20% DM inclusion in diets containing modified distillers grains plus solubles; and 2) determine the influence of equal cumulative roughage inclusion in a single diet or twodiet system during a 210-d backgrounding-finishing period in pre-conditioned beef steers on growth performance responses, efficiency of dietary net energy (NE) utilization, and carcass traits. Experiment 1 was a 112-d finishing experiment conducted …
Design Of Affordable Polyaniline - Based Wearable Sensor For Real Time Plant Growth Monitoring, Temitope Borode
Design Of Affordable Polyaniline - Based Wearable Sensor For Real Time Plant Growth Monitoring, Temitope Borode
Electronic Theses and Dissertations
The need for precision agriculture in today and future farming cannot be overstressed. Recent agriculture is characterized by numerous challenges such as environmental stressors and resource constraints resulting in low crop yield and unsustainable agriculture practices. Understanding plant growth mechanism and growth rate under the external influence is a bedrock towards precision agriculture practices ensuring optimum yield and sustainable utilization of resources. The current study addresses this need by developing and applying an affordable and stable sensor for monitoring plant growth. The sensor was fabricated by in-situ chemical polymerization of aniline on an elastic band substrate by dip coating. The …
Deforming The Knight: Gawain's Descent Into Monstrosity In Sir Gawain And The Green Knight, Hannah Held
Deforming The Knight: Gawain's Descent Into Monstrosity In Sir Gawain And The Green Knight, Hannah Held
Electronic Theses and Dissertations
Sir Gawain has always been marked as a victim in the well-known poem Sir Gawain and the Green Knight, but he is much more than that. Standing with the knights of the Round Table, he seems to be the perfect example of what chivalry should look like, especially with an adherence to the common religious beliefs. However, when put into the context of the manuscript in which it was found, Gawain seems to stand as an allegorical figure of the do-not’s of feudal and religious chivalry. Using the lens of Monster Theory via Jeffrey Jerome Cohen and David Williams, I …
Defining Amino Acid Requirements Of Pregnant Sows: Challenges And Opportunities, Christian D. Ramirez-Camba
Defining Amino Acid Requirements Of Pregnant Sows: Challenges And Opportunities, Christian D. Ramirez-Camba
Electronic Theses and Dissertations
The efficient use of protein in animal production is dependent on the protein supply and its constituent amino acids (AA) in relation to the animal's needs. Excess AA are deaminated, and the resulting nitrogen (N) is excreted, whereas suboptimal AA intake reduces animal performance. Both increased nutrient excretion and decreased animal performance reduce the overall efficiency of the production unit. In sows, AA requirements should be adequate for optimizing reproductive performance, as measured, for example, by the number of pigs produced per sow per year while limiting N excretion. There is a desire to feed pregnant sows AA levels that …
Factors Influencing Mortality Of Stocked Rainbow Trout In Black Hills Reservoirs, Charles A. Mordhorst
Factors Influencing Mortality Of Stocked Rainbow Trout In Black Hills Reservoirs, Charles A. Mordhorst
Electronic Theses and Dissertations
Because return to angler is an important outcome of put-and-take fisheries, understanding mortality of stocked Rainbow Trout is fundamental to managing these fisheries. Harvest rates of stocked Rainbow Trout Oncorhynchus mykiss in the Black Hills of South Dakota are believed to be below management objectives. Rainbow Trout not harvested by anglers are assumed to be lost to various sources of mortality, raising concerns about the cost of the Rainbow Trout stocking program relative to the benefit provided to anglers. (Simpson 2008). This study evaluated the factors influencing mortality of Rainbow Trout stocked into Black Hills reservoirs. We assessed the effects …
Identification And Characterization Of Candidate Rumen Bacterial Species From Beef Cattle With The Potential For Metabolizing Lipids, Cheyenne E. Hron
Identification And Characterization Of Candidate Rumen Bacterial Species From Beef Cattle With The Potential For Metabolizing Lipids, Cheyenne E. Hron
Electronic Theses and Dissertations
Ruminants and the microorganisms within their rumen have an intricate symbiotic relationship. Ruminants are able to convert plant materials that are indigestible to humans into meat, milk, and fiber for human consumption and use. Supplementing lipids in diets fed to beef cattle could be beneficial for the host animal as lipids are a higher density energy source. However, they can be detrimental to rumen microorganisms. While much research has been involved in elucidating the composition of the ruminal microbiome, knowledge of the effects of lipids on the ruminal microbiome has been quite limited. In this context, we took advantage of …
Evaluating Avian Use Of Cover Crops In The Corn Belt, Megan Figura
Evaluating Avian Use Of Cover Crops In The Corn Belt, Megan Figura
Electronic Theses and Dissertations
The tallgrass prairie of North America has changed drastically since colonial settlement, with up to 99% of this region converted for agriculture and other land-uses. Concurrent with grassland conversion, grassland birds have experienced the most extreme, consistent, and widespread population declines of any avian guild. Agricultural lands in the U.S. Midwest were able to provide adequate habitat for several bird species until the 1950’s; however, altered and intensified management practices have degraded much of remaining suitable habitat and undermined ecosystem functions. Consequently, many grassland birds have been identified as Species of Greatest Conservation Need (SGCN) in many State Wildlife Action …
Pathogen Prevalence In Domestic Sheep In Western Nebraska: Implications For Bighorn Sheep Conservation And Coexistence On A Multi-Use Landscape, Kaytlin Bohr
Electronic Theses and Dissertations
Bighorn sheep (Ovis canadensis) and domestic sheep (Ovis aries) are members of the same genus and thus share multiple pathogens that can be spread between them. One specific respiratory pathogen of concern is Mycoplasma ovipneumoniae (M. ovipneumoniae), which has been linked to pneumonia epizootics in bighorn sheep that are often characterized by all age die offs upon initial exposure followed by years of low lamb recruitment. Domestic sheep have been identified as one carrier of M. ovipneumoniae with transmission between sheep species occurring when there is close contact on the landscape. To prevent this cross-species transmission, importance has been placed …
Impact Of Storage And Different Variety On Proximate Composition And Functionality Of Lentils, Hussain Al Naser
Impact Of Storage And Different Variety On Proximate Composition And Functionality Of Lentils, Hussain Al Naser
Electronic Theses and Dissertations
Lentil (Lens culinaris) is an edible pulse and is a nutritious legume. The nutrient value and the application of lentils in other food resources have been well documented. However, there exists a lack of studies that focus on the storage impact of pulses on lentil composition and functionality. The focus of most studies has been on the composition of lentils while the composition relative to and functionality of stored lentils has not been sufficiently evaluated. Therefore, the objective of this research was to determine the effect of storage conditions on the nutrient composition and the functional properties of lentils. Four …
To Study The Factors Influencing The Sampling Variability On Microbiological Analysis Of Milk And Whey, Ratul Kalita
To Study The Factors Influencing The Sampling Variability On Microbiological Analysis Of Milk And Whey, Ratul Kalita
Electronic Theses and Dissertations
Sampling and analysis are integral parts of dairy processing in quality control, process monitoring and control, and meeting regulatory standards. Accurate sampling is vital to avoid erroneous analysis results and interpretation. The sampling process depends on the appropriateness of sample collection, transportation, storage, and analysis conditions. The bacterial heterogeneity and cluster formation, structural heterogeneity of food, sample unit and size, frequency, and sampling methods, are also crucial in sampling. We aimed to evaluate the influence of sample volume, sampling frequency, and sampling methods in experimental processing lines of whole milk, skim milk, and whey. To standardize the experimental protocols, a …
A Process To Produce Lactose Phosphate From Dairy Byproducts And Used As An Alternative To Emulsifying Salts In Processed Cheese Food Manufacture, Khalid Ahmed Alsaleem
A Process To Produce Lactose Phosphate From Dairy Byproducts And Used As An Alternative To Emulsifying Salts In Processed Cheese Food Manufacture, Khalid Ahmed Alsaleem
Electronic Theses and Dissertations
Lactose is the primary carbohydrate in most mammals' milk, commonly known as milk sugar. Milk permeate is a by-product of whey protein manufacturing through membrane technologies. It is cost-effective, available, and an excellent source of lactose. Sugar phosphorylation is a technique used to alter sugar's characteristics. It has numerous applications for developing dairy and food products. Lactose-6-phosphate (LP) is an organic compound that switches the hydrogen on lactose by monophosphate that has the potential to function as emulsifying salts (ES). ES, such as disodium phosphate (DSP) and trisodium citrate, have a critical effect on the emulsification characteristics of casein by …