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Bio-Methane Production From Anaerobic Co-Digestion Of Poultry Litter With Wheat Straw Improved By Process Optimization And Employment Of Advanced Techniques, Yuanhang Zhan
Graduate Theses and Dissertations
Anaerobic co-digestion (Co-AD) of poultry litter (PL) and wheat straw (WS) for sustainable waste management and simultaneously renewable bioenergy generation was improved by advanced technologies including micro-aeration (MA), biochar addition (BC), nanoparticles supplementation (NP) and their integrations. Response surface methodology (RSM) and artificial neural network (ANN) were used for the process modeling and optimization. First, a method by gradually increasing OLR was developed for the start-up of Co-AD of PL and WS in an anaerobic sequencing batch reactor (ASBR), with a continuous daily biogas production of (13.06 ± 0.21) L and methane content (MC) of (54.38 ± 0.53) % observed. …
Density And Occupancy Of Mammals Along An Urban To Rural Gradient In Northwest Arkansas, Leah E. Mctigue
Density And Occupancy Of Mammals Along An Urban To Rural Gradient In Northwest Arkansas, Leah E. Mctigue
Graduate Theses and Dissertations
Human development is a rapidly expanding phenomenon impacting wildlife communities globally. As the human footprint expands, natural greenspace and nature reserves become fragmented and isolated. Wildlife species and communities respond to these changes in different ways. Urban exploiters persist in more urban areas and are able to take advantage of anthropogenic subsidies (food, shelter, etc). Urban avoiders, however, are species that may be pushed out of developed areas or occur in lower densities relative to undisturbed areas. Northwest Arkansas is an optimal location to study the impacts of urbanization on wildlife communities, as the current human population is expected to …
Generating Health-Promoting Bioactive Compounds And Nanoporous Materials From Rice Processing Byproducts Via Supercritical Carbon Dioxide Technology, Sumanjot Kaur
Graduate Theses and Dissertations
Rice husk and bran, byproducts of rice processing, are generated in large quantities (~30-40% of the total rice weight) and are discarded as waste or burned in an open field, creating a major disposal problem for the rice industry. However, these byproducts contain high-value compounds, including phytochemicals, fiber, and proteins. Therefore, the goal of this study was to generate high-value food ingredients from rice processing byproducts using a green, innovative approach based on supercritical carbon dioxide (SC-CO2) technology. Specific objectives were to (i) extract health-promoting phytochemicals from rice husk and (ii) convert rice bran into nanoporous materials using SC-CO2. First, …
A Calvinistic Divine Glory Defense, Stephen Thomas Irby
A Calvinistic Divine Glory Defense, Stephen Thomas Irby
Graduate Theses and Dissertations
Calvinists, because they embrace the view that God ordains whatsoever comes to pass, cannot appeal to libertarian free will while trying to defend theism against the problem of evil. However, they can appeal – and, in fact, some have appealed – to God’s desire to be glorified to account for why He has ordained the evils of our world. This is the divine glory defense, and my dissertation aims to develop a version of it. After spending some time framing my defense in the context of the rest of the literature on the problem of evil, an account is provided …
The Influence Of Temperature, Prey Availability, And Population Of Origin On Ectotherm Energetics, Allison R. Litmer
The Influence Of Temperature, Prey Availability, And Population Of Origin On Ectotherm Energetics, Allison R. Litmer
Graduate Theses and Dissertations
Climate change poses threats to organisms regarding direct and indirect effects of warming temperatures. Laboratory studies and predictive models are useful for understanding how temperature influences organisms, and the future of species’ life history and persistence. This dissertation expands upon current approaches to thermal studies and climate models, while investigating effects of warming nighttime temperature and altered prey availability on individuals and populations. Lizards in the genus Sceloporus were used as model organisms, as they are broadly distributed with thermally sensitive physiologies. The first dissertation chapter conducted meta-analyses to examine temperature-induced changes in food consumption, activity, and life history. Prominent …
Evaluation Of Biochar Rate And Hemp Cultivar For The Phytoremediation Of Heavy-Metal-Contaminated Soil From The Tar Creek Superfund Site, Dietrich Thurston
Evaluation Of Biochar Rate And Hemp Cultivar For The Phytoremediation Of Heavy-Metal-Contaminated Soil From The Tar Creek Superfund Site, Dietrich Thurston
Graduate Theses and Dissertations
Soil contamination by cadmium (Cd), lead (Pb), and zinc (Zn) at the Tar Creek Superfund site in Northeast Oklahoma remains a threat to the environment and local ecosystem. Phytoremediation by industrial hemp (Cannabis sativa L.) and the use of biochar (BC) have been independently shown to be effective methods to remediate heavy-metal-contaminated soils. The objective of this greenhouse study was to evaluate the effects of industrial hemp cultivar (‘Carmagnola’ and ‘Jinma’), BC rate (0, 2, 5, and 10% by volume), soil contamination level (low, medium, and high), and their interactions on above- and belowground (AG and BG, respectively) plant dry …
Shedding In The Timber Rattlesnake: Natural Patterns, Endocrinological Underpinnings, Temporal And Energetic Effort, And Integration As A Reptilian Life History Trait, Maxwell D. Carnes-Mason
Shedding In The Timber Rattlesnake: Natural Patterns, Endocrinological Underpinnings, Temporal And Energetic Effort, And Integration As A Reptilian Life History Trait, Maxwell D. Carnes-Mason
Graduate Theses and Dissertations
The semi-frequent replacement of the epidermis (ecdysis) is a characteristic trait of reptiles. Whereas all reptiles regularly engage in some degree of skin shedding, skin morphology in snakes necessitates the synchronous replacement of the entire epidermis and facilitates the subsequent removal of the old layer as a single sheet. To date, the ubiquitous process has garnered little attention from researchers because snakes shed with unpredictable timing and frequency and are exceedingly cryptic during ecdytic cycles; previously impeding detailed physiological or ecological investigations of the process in the clade. Because of the lack of study, ecdysis is often viewed as a …
Nutrient Responses To Hippuric Acid In Sheep Urine Applied To Pasture Soil Cores, Ethan Avery Collins
Nutrient Responses To Hippuric Acid In Sheep Urine Applied To Pasture Soil Cores, Ethan Avery Collins
Graduate Theses and Dissertations
Hippuric acid is a breakdown product of tannins, which bind with proteins in the animal rumen and slow down protein metabolism, thus increasing nitrogen (N) retention in the animal. Increased hippuric acid concentration in bovine and ovine urine applied to soil may decrease rates of nitrification, denitrification, and nitrous oxide fluxes in pasture soils. Additionally, condensed tannins have increased rates of carbon mineralization when incorporated in humus and leaf litter. To evaluate effects of hippuric acid concentration, treatments of urine from sheep fed a tannin-supplemented diet, synthetic urine, or urea controls were applied to intact soil cores seeded with crabgrass …
Dietary Histidine: Broiler Responsiveness With And Without Endogenous Histidine Reserve Consideration, Kenneth Blake Nelson
Dietary Histidine: Broiler Responsiveness With And Without Endogenous Histidine Reserve Consideration, Kenneth Blake Nelson
Graduate Theses and Dissertations
In the past, histidine warranted little concern from poultry nutritionists because it was seldom deficient in practical broiler diets. With most essential amino acids now commercially available as feed-grade forms to partially replace intact protein ingredients, histidine and its minimum in least-cost formulation are receiving fresh attention. Published histidine requirement data for broilers are sparce, and many of these studies have been conducted on males within the first three weeks post-hatch. Moreover, rudimentary dose-response experimental designs may not be applicable to estimate histidine requirements in later growth periods because histidine is uniquely stored within the body. In times of dietary …
Understanding Peripheral Blood Pressure Signals: A Statistical Learning Approach, Md Abul Hayat
Understanding Peripheral Blood Pressure Signals: A Statistical Learning Approach, Md Abul Hayat
Graduate Theses and Dissertations
Proper estimation of body fluid status for human or animal subjects has always been a challenging problem. Accurate and timely estimate of body fluid can prevent life threatening conditions under trauma and severe dehydration. The main objective of this research is the estimation, classification and detection of dehydration in human and animal subjects using peripheral blood pressure (PBP) signals. Peripheral venous pressure (PVP) and peripheral arterial pressure (PAP) signals have been investigated in this research. Both PVP and PAP signals are PBP signals. A dataset of PVP signals was collected using standard peripheral intravenous catheters from human subjects suffering from …
Electrochemically Precipitated Struvite Effects On Soil Property And Crop Response, Tatum Simms
Electrochemically Precipitated Struvite Effects On Soil Property And Crop Response, Tatum Simms
Graduate Theses and Dissertations
Phosphorus (P) is a vital resource that is finite and only mineable in raw-material form in a few countries worldwide. Struvite (MgNH4PO4·6H2O) is a mineral that can be produced from wastewater that may provide a promising alternative source of fertilizer-P for crop production, but comprehensive characterizations of struvite behavior in various soils and responses of various crops are necessary. This study aimed to determine the (1) leaching potential, (2) vertical soil profile-P distribution, (3) wheat (Triticum aestivum), corn (Zea mays), and soybean (Glycine max) response, and (4) soil property changes over time of electrochemically precipitated struvite (ECST) compared to that …
Runoff Water Quality And Crop Growth As Affected By Wastewater-Derived Struvite, Machaela Morrison
Runoff Water Quality And Crop Growth As Affected By Wastewater-Derived Struvite, Machaela Morrison
Graduate Theses and Dissertations
Mined phosphate rock, used to produce phosphorus (P) fertilizers, is a finite resource. Struvite (MgNH4PO4 • 6H2O) that has been synthetically produced from a stock solution of known P and nitrogen (N) concentrations has been shown to be an effective, alternative fertilizer-P source for various crops. However, little is known about the runoff-water-quality implications from and the crop response to soil application of struvite created from an actual municipal wastewater source. This study consisted of two objectives: i) to evaluate the effects of soil [i.e., Creldon (Oxyaquic Fragiudalf), Dapue (Fluventic Hapludoll), Roxana (Typic Udifluvent), and Calloway (Aquic Fraglossudalf) series], fertilizer-P …
Modeling The Egyptian Goose (Alopochen Aegyptiaca) Invasion; And Future Concerns, Percival Matzinger Marshall
Modeling The Egyptian Goose (Alopochen Aegyptiaca) Invasion; And Future Concerns, Percival Matzinger Marshall
Graduate Theses and Dissertations
In an increasingly interconnected world, the ecological and financial cost of invasive species is expected to continue to climb through the movement of exotic biota. Understanding the driving forces behind how a species invades, what environments promote their establishment, and what impacts they are likely to have on the invaded environment are all critical for management. Waterfowl, order Anseriformes, are one such category of invasive species of concern due to their popularity of accidental introduction, ease of movement, and propensity to affect both terrestrial and aquatic ecosystems. The Egyptian Goose (Alopochen aegyptiaca) is a native to the African continent that …
Components Of Emotional Functioning Among People With Substance Use And Posttraumatic Stress Difficulties: An Idiographic Perspective, Danielle Higuera
Components Of Emotional Functioning Among People With Substance Use And Posttraumatic Stress Difficulties: An Idiographic Perspective, Danielle Higuera
Graduate Theses and Dissertations
Prior research has examined components of emotional functioning (e.g., clarity, physiological sensations, expression, regulation) among people with substance use and/or posttraumatic stress at the group level; however, a more cohesive/comprehensive understanding of how these factors unfold and connect for individual people who comprise these populations is needed. The current study used a qualitative interview design to explore the emotional worlds of participants (N = 44) who comprised four groups (substance use [n ¬= 11], posttraumatic stress [n = 12], co-occurring substance use and posttraumatic stress [n = 11], and healthy controls [n = 10]) to gain a person-level understanding of …
The Effect Of Herbal Adaptogen On Feeding-Related Hypothalamic Neuropeptides In Heat-Stressed Broilers, Maryam Afkhami Ardakani
The Effect Of Herbal Adaptogen On Feeding-Related Hypothalamic Neuropeptides In Heat-Stressed Broilers, Maryam Afkhami Ardakani
Graduate Theses and Dissertations
Heat stress is a major issue in the poultry industry, having numerous negative consequences for chicken productivity. Decreasing feed intake is one of these issues, which results in higher mortality and poor growth performance. Moreover, Herbal adaptogens, plant extracts that are also known as stress response modifiers, are metabolic regulators that improve an organism's ability to adapt to environmental stresses and minimize damage from such stressors. Previously, we published data indicating that herbal adaptogen supplementation increased feed intake under heat stress conditions. Therefore, we hypothesized that dietary herbal adaptogen supplementation might exert these effects through alteration of the expression of …
Investigation Of Consumer Freezing Practices, Condition And Duration On Palatability Of Beef, Elizabeth Sue Neal
Investigation Of Consumer Freezing Practices, Condition And Duration On Palatability Of Beef, Elizabeth Sue Neal
Graduate Theses and Dissertations
The objective of these studies was to determine: the impact of extended periods of frozen storage duration and packaging type on palatability traits of cooked beef steaks from two muscles and the impact of freezing type and storage duration on objective and subjective measures of ground beef palatability traits. In study 1, no differences were elicited from any of the possible interactions (P= 0.95) for SSF or CL: package × muscle × freezing duration, package × muscle, package × duration or muscle × duration. However, freezing duration did impact both SSF (P < 0.01) and CL (P < 0.001). Generally, for both SSF and CL steaks that were frozen for 9-months elicited both the highest SSF values as well as the greatest percentage of CL among all treatments. In comparison, EM was impacted by the interaction (P = 0.059) of packaging type muscle freezing duration. Samples from OW GM stored for 9-months elicited the highest percentage of EM while fresh OW LL samples resulted in the lowest. Additionally, expressible moisture was impacted by the interaction (P = 0.047) of muscle freezing duration. Among all treatments, GM steaks that were frozen for 9-months elicited the highest EM values and fresh LL samples the lowest EM values. Contrastingly, there was no significant difference observed in expressible moisture for the interaction (P 0.18) of package type freezing duration or for the interaction (P = 0.70) of package type muscle. Generally, fresh OW GM steaks resulted in the greatest concentration of lipid derived volatile compounds such as aldehydes, hydrocarbons and alcohols which contrasted sensory ratings of trained panelists that indicated oxidized and refrigerator-stale ratings increased as storage time increased for OW steaks. In study 2, The interaction of freezer treatment × storage duration impacted gumminess (P = 0.05), a TPA attribute. In greater detail, samples stored in RF for 6-months resulted in the greatest gumminess values (P < 0.001), while those stored in the CF for 12-months elicited the lowest (P < 0.001). Similarly, flavor development was also impacted by the interaction (P = 0.05) of freezer treatment × storage duration. Three lipid derived compounds were of greatest concentration among RF patties stored for 1-month. In contrast, the interaction of freezer treatment × storage duration elicited no impact on consumer ratings, SF or TBARS. Nonetheless, frozen storage duration impacted TPA, flavor development, consumer ratings, SF and TBARS as a main effect (P < 0.05), especially in regard to tenderness and juiciness. Moreover, beef flavor development, tenderness and juiciness are impacted by freezing duration, muscle, freezer type and packaging, however these factors are not necessarily independent of one another. Furthermore, the retail display period is a critical period for fresh beef steaks, especially when packaged in aerobic conditions. For optimal eating experience, beef products should be stored for extended periods in a vacuum packaging, in a designated freezer that is not opened frequently to allow for optimal air flow regulation and minimize freezer burn to improve tenderness and juiciness.
Spatial Layout At Isgrig: A Menard Complex Site In The Lower Arkansas River Valley, Noelle King
Spatial Layout At Isgrig: A Menard Complex Site In The Lower Arkansas River Valley, Noelle King
Graduate Theses and Dissertations
Late Mississippian sites in the Lower Arkansas River Valley, or Menard Complex sites, are not well understood especially as they relate to the larger question of Mississippian response to colonial contact. In this thesis, I will explore how the Menard Complex manifests at Isgrig (3PU0015), a site located on the Arkansas River south of Little Rock. I will examine the spatial layout of the site and use ceramic analysis to understand if the site changed significantly over time. Finally, I will compare Isgrig with other Menard Sites in the Lower Arkansas Valley to understand regional trends in site function during …
Decrypting The Processes Of Policy Evolution: Comparing Québec And Ontario’S Evolution Of Risk Management Policies, Frederick Clerson Guicherd
Decrypting The Processes Of Policy Evolution: Comparing Québec And Ontario’S Evolution Of Risk Management Policies, Frederick Clerson Guicherd
Graduate Theses and Dissertations
Through policies or programs, states can influence industries to align with their vision of what a sector should become. However, this vision is subject to influence from actors of the industries which emphasize the importance of the relationship between the state and interest groups. In this dissertation, we observe the evolution of 9 Canadian agriculture risk management programs implemented by two provincial governments between 1990 and 2020 to understand how such programs coped with the new trends in agriculture. Through a review of parliamentary discussions and official documents, we evaluate the factors that justified program evolution based on the combination …
Biochar As A Lake Management Option For Harmful Algal Blooms: Lab Experiments And Bioassays, Brittany Mc Intyre
Biochar As A Lake Management Option For Harmful Algal Blooms: Lab Experiments And Bioassays, Brittany Mc Intyre
Graduate Theses and Dissertations
Harmful Algal Blooms (HABs) are an increasing global concern for water management due to their increased frequency, distribution, and toxin production. In freshwaters the growth of cyanobacteria (commonly known as blue-green algae), due to anthropogenic nutrient enrichment is the primary driver of HABS; these are often referred to as cyanoHABs. The management of cyanoHABs should be focused on in the watershed through best management and conservation practices or the physical, chemical and biomanipulation of the lake or reservoir that is experiencing these blooms. In this study, we examine the use of biochar as an option for the management or treatment …
Evaluation Of Hydrogeochemical Characteristics Of San Joaquin, Tulare, And Mojave Aquifers, Southern California, Maedeh Hassanvand
Evaluation Of Hydrogeochemical Characteristics Of San Joaquin, Tulare, And Mojave Aquifers, Southern California, Maedeh Hassanvand
Graduate Theses and Dissertations
Before making attempts to enhance and manage the quality of water, a thorough understanding of these processes is necessary since the chemical quality of groundwater is impacted by a number of linked processes. This would be more important in arid and semiarid regions like the southern part of California where more rely on groundwater for agriculture and drinking water uses than the other states. As a result, fundamental knowledge of the governing processes of groundwater chemistry is required for effective water resource management. Thus, this study is primarily concerned with three aspects in Mojave, Tulare, and San Joaquin aquifers: The …
Evaluation Of Rice Stink Bug, Oebalus Pugnax (F.), Resistance To Lambda-Cyhalothrin And The Economic Impact On Rice Grain Quality For Multiple Foliar Insecticides, Trevor Bradley Newkirk
Evaluation Of Rice Stink Bug, Oebalus Pugnax (F.), Resistance To Lambda-Cyhalothrin And The Economic Impact On Rice Grain Quality For Multiple Foliar Insecticides, Trevor Bradley Newkirk
Graduate Theses and Dissertations
Rice stink bug, (RSB), Oebalus pugnax (F.), (Fabricius 1775) is the major pest of headed rice, Oryza sativa L. in the southern rice producing states. The evaluation of current insecticides is imperative to efficient and economical RSB management for rice growers. Multiple reports of field failures with lambda-cyhalothrin have been documented since 2019. Lambda-cyhalothrin has been the standard for RSB control for the past two decades. The objective for this research was to determine if RSB is becoming resistant to lambda-cyhalothrin in Arkansas, and the most economical insecticide choice for growers with respect to RSB control and grain quality. RSB …
Geophysical Assessment Of Internal Erosion Damage At The Crawford County Levee, Samuel Ross Hokett
Geophysical Assessment Of Internal Erosion Damage At The Crawford County Levee, Samuel Ross Hokett
Graduate Theses and Dissertations
Levee failures during flooding events can result in catastrophic loss of life and property. Soil erosion during high water events is a primary cause of levee failures. Accordingly, this research focuses on the geophysical assessment of internal erosion damage in levees. This thesis presents a case study utilizing Capacitively Coupled Resistivity (CCR), Direct Current Electrical Resistivity Tomography (DC ERT), and Multichannel Analysis of Surface Waves (MASW) to assess internal erosion damage at the Crawford County Levee System in Van Buren, AR, that occurred during the 2019 Arkansas River flood. Geophysical surveys acquired included longitudinal CCR, DC ERT, and MASW lines …
On The Brink Of Transformation : Becoming Ones True Self, Jordan Lee Williams
On The Brink Of Transformation : Becoming Ones True Self, Jordan Lee Williams
Graduate Theses and Dissertations
It brings me great joy to share with you the story of my journey through Academia. This thesis will cover some of the milestones I’ve reached throughout my studies here at the University of Arkansas, which led me to be able to attain an MFA in Theatre with an Acting Emphasis. You’ll be granted an all access pass into some of the works I’ve been able to produce while studying here at the U of A Including my one person show, statement of artistry, a link to my website, and information on my career as a professional stand-up comedian
Influence Of Pregnant Cattle Grazing Endophyte-Infected Tall Fescue On Offspring Immune Function, Sidney Nicole Dunkel
Influence Of Pregnant Cattle Grazing Endophyte-Infected Tall Fescue On Offspring Immune Function, Sidney Nicole Dunkel
Graduate Theses and Dissertations
The objective was to evaluate the influence of pregnant cattle grazing endophyte-infected tall, toxic, fescue (E+) during gestation on innate immune response of male offspring to an endotoxin challenge. Crossbred multiparous cows (n = 36) were bred to Red Angus sires and housed in replicated E+ or novel endophyte-infected, non-toxic, fescue (NE+) pastures prior to breeding and throughout gestation. From this calf-crop, a subset of post-weaned steers (n = 8 E+; n = 8 NE+) were selected for a lipopolysaccharide (LPS) challenge. Blood was collected every 30 min beginning 2 h prior to (Pre-LPS) and continuing 9 h following (Post-LPS) …
Differential Electrostatic Interaction Patterns In Sars-Cov-1 And Sars-Cov-2 Variants: A Molecular Dynamics Simulation Study, Ugochi Hope Isu
Differential Electrostatic Interaction Patterns In Sars-Cov-1 And Sars-Cov-2 Variants: A Molecular Dynamics Simulation Study, Ugochi Hope Isu
Graduate Theses and Dissertations
The SARS-related coronavirus (SARS-rCoV) is a highly contagious virus that has raised significant worldwide health concerns. It caused outbreaks in 2002-2003 and more recently in 2019-2020 with SARS-CoV-2. SARS-CoV-2 is responsible for the COVID-19 pandemic, which has resulted in a significant global impact on health and the economy. The spike protein of the virus plays a critical role in its infectivity and transmission, and the receptor-binding domain (RBD) within the spike protein is of particular interest, as it is responsible for binding to the human angiotensin-converting enzyme 2 (ACE2) receptor. In this study, we used Molecular dynamics (MD) simulations to …
Memento Mori: Philosophy For The Actor, Edwin C. Green
Memento Mori: Philosophy For The Actor, Edwin C. Green
Graduate Theses and Dissertations
This thesis explores a philosophy whose goal is to fuel and protect the spirit of the working professional actor. This philosophy greatly inspired my one person show performance and will serve me in my future. Included in this paper will be my artistic philosophy, my resume, headshot, website, photos, and my one person show script, developed in the spring of 2022, titled“Memento Mori”.
Investigating Effect Of Seed Source And Developing Germination Protocols To Improve Success In Restoration Of Arkansas Tallgrass Prairies, Rhiannon Spencerosa
Investigating Effect Of Seed Source And Developing Germination Protocols To Improve Success In Restoration Of Arkansas Tallgrass Prairies, Rhiannon Spencerosa
Graduate Theses and Dissertations
American tallgrass prairie has faced losses estimated at 87-98% of original land area since European settlement. Native seeds are often used to supplement struggling or extinct plant populations in tallgrass prairie restoration and establishment sites. Two main considerations in restoration and establishment are from where to source seed and how to obtain high germination rates. In order to determine the effect of seed source, a common garden experiment was performed in Fayetteville, Arkansas in 2022 with five prairie species: Andropogon gerardii (big bluestem), Bouteloua curtipendula (sideoats grama), Panicum virgatum (switchgrass), Schizachyrium scoparium (little bluestem), and Sorghastrum nutans (Indiangrass). Seed was …
Health-Oriented Nonprofit Organizations: The Influence Of Framing And Altruism On Intention To Donate, Abbey Dilatush
Health-Oriented Nonprofit Organizations: The Influence Of Framing And Altruism On Intention To Donate, Abbey Dilatush
Graduate Theses and Dissertations
This study investigated the influence of framing and altruism on individuals' intentions to donate to a health-oriented nonprofit organization. One hundred ninety-three participants were recruited from social media to complete an experiment online. Participants reviewed fundraising messages using either a statistical frame or a narrative frame. Following the presentation of a fundraising message participants completed close-ended self-report scales to evaluate their perceptions of the ad, their intentions to donate, and their personal altruism. Results demonstrated there was a correlation between intention to donate and ad evaluation. Next, there was no relationship between altruism and intention to donate and neither frame …
Dental Microwear Of Miocene Primates From The Turkana Basin Of Northern Kenya, Leah K. Myerholtz
Dental Microwear Of Miocene Primates From The Turkana Basin Of Northern Kenya, Leah K. Myerholtz
Graduate Theses and Dissertations
Comprehending the dietary patterns of Turkana Basin primates from the late Paleogene and early Neogene can contextualize the role of food choice in the evolution of higher primates in Africa. Dental Microwear Texture Analysis (DMTA) quantifies wear on the enamel of a tooth and can be used as a proxy to infer aspects of a taxon’s diet in the past. DMTA can provide insight into what specific animals in the past ate, rather than what they were capable of eating, and by extension, reflect food availability related to habitat preferences or environmental fluctuation. Here, primates from six Oligocene through Pliocene …
Approaches For Mitigating Woody Breast In Commercial Broilers Through Nutritional And Management Strategies, Clay Maynard
Approaches For Mitigating Woody Breast In Commercial Broilers Through Nutritional And Management Strategies, Clay Maynard
Graduate Theses and Dissertations
Breast myopathies have caused significant economic losses to the poultry industry over the last decade. The induction of woody breast (WB), white striping (WS), and spaghetti meat (SM) have caused textural issues, functional issues, and a decline in consumer acceptance. Of these three myopathies, WB causes the most pronounced effects on product quality and reduces functional use. Woody breast is also commonly associated with expansive breast meat growth/high performing broilers. However, progress in reducing these myopathies has been limited without hindering other aspects of poultry rearing. Generally, production performance reduces as myopathy occurrence or incidence reduces. This response is primarily …