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Articles 10831 - 10860 of 14983
Full-Text Articles in Entire DC Network
The Effects Of Low Atmosphere Stunning And Deboning Time On Broiler Breast Meat Quality, Vamsidhar Battula
The Effects Of Low Atmosphere Stunning And Deboning Time On Broiler Breast Meat Quality, Vamsidhar Battula
Theses and Dissertations
A randomized complete block design with three replications (n=432, 72 broilers per treatment) was utilized to evaluate the effects of electrical (ES) and low atmosphere pressure stunning (LAPS) on the quality of broiler breast meat deboned at 0.75, 2, and 4h postmortem. The L* values were lower (P<0.05) for LAPS than ES at 4 h and 2 h deboning times. Shear force did not differ (P>0.05) between stun methods but decreased (P<0.05) as deboning time increased. Consumers were clustered into 8 groups based on preference and liking of samples. Sixtyive percent of consumers (3 clusters) liked all broiler breast treatments. Within these three clusters, some consumers preferred (P<0.05) 4 h deboned samples over those deboned at 2 h (Cluster 7), and other consumers preferred (P<0.05) those deboned at 2 h over 4 h samples (Cluster 6). Data reveals that both stunning methods provide high quality breast meat with minimal product differences.
Product Formulation And Consumer Acceptability Of Processed Cheese Made With Different Types Of Cocoas And Chocolates & Product Formulation And Quantitative Descriptive Analysis Of Aged Cheddar Cheese With Different Types Of Chocolate Inclusions, Vishal Kumar Royyala
Theses and Dissertations
The objectives of this research were to compare different types of cocoa and chocolates in the formulation of processed chocolate cheese and aged Cheddar cheese, and to evaluate sensory, physical, chemical and quality parameters of each. Four different varieties of chocolates were utilized along with other ingredients to prepare processed chocolate cheeses and were tested for consumer acceptability for their basic and critical attributes. Chocolate chips of four different types and proportions were incorporated into Cheddar cheese curd, ripened for 105 days, and a trained panel evaluated the sensory parameters. Results indicated that processed chocolate cheese made with Bordeaux chocolate …
Restoring Blackland Prairies In Mississippi: Remnant-Restored Prairie Comparisons And Techniques For Augmenting Forbs, Andrew Clifford Dailey
Restoring Blackland Prairies In Mississippi: Remnant-Restored Prairie Comparisons And Techniques For Augmenting Forbs, Andrew Clifford Dailey
Theses and Dissertations
One knowledge gap hindering prairie restoration is uncertainty about when a restored prairie communities sufficiently resemble remnant prairie. I surveyed plant communities in remnant prairies, prairies > 5 years post-restoration, and prairies ≤ 5 years post-restoration in Mississippi. Remnants had the greater species richness. Restored prairies had less cover of woody plants and forbs but greatest non-natives. Restored prairies were not similar to remnant prairies (similarity index = 28.9 - 25.9%), primarily because restored prairies had fewer prairie forbs. Thus, restoration may take decades. Transplanting locallyapted prairie forbs into restored prairies may accelerate restoration, but this has not been evaluated adequately. …
Social Capital Determinants Of Environmentalism In Spatial Context, Kim Marie Steil
Social Capital Determinants Of Environmentalism In Spatial Context, Kim Marie Steil
Theses and Dissertations
Sociological studies of society-environment interactions are based on a premise that population well-being is dependent on the environment. Here, I argue that not only are people innately connected to the environment, but the environment also bonds people to one another. That is, people have a mutual obligation to one another to care for the environment. An often ignored factor is that individual participation toward protecting and improving the quality of the environment rests upon the local social and spatial context in which the individual is situated. The ability of individuals in a local environment to come together to identify issues, …
Nmr Backbone Chemical Shift Assignments Of The Hvdhfr1:Nadph Binary Complex, Karthikeshwar Vangala
Nmr Backbone Chemical Shift Assignments Of The Hvdhfr1:Nadph Binary Complex, Karthikeshwar Vangala
Theses and Dissertations
Extremophiles are the organisms that survive in environments which are inhospitable to other creatures. This thesis made an attempt to understand the enviromental effects, in particular saline, on enzyme structure by using three dimensional NMR. The enzyme DHFR1 from halophile Haloferaxi volcanii is complexed with its coactor NADPH, and the saline effects on the complex are studied by comparison with its apoenzyme, hvDHFR1. Backbone chemical shift assignments of the hvDHFR1:NADPH complex were attained which can be functional (along with future work) in understanding the effect of salts on enzyme structure, function, and flexibility. A total of 27 amino acids were …
Nutrient Digestibility And Utilization By Cattle Consuming Cotton Gin Mote As A Replacement For Forage, Cassie Marie Welch
Nutrient Digestibility And Utilization By Cattle Consuming Cotton Gin Mote As A Replacement For Forage, Cassie Marie Welch
Theses and Dissertations
Two studies were conducted to evaluate cotton gin mote as a forage replacement by determining nutrient digestibility and nitrogen and energy retention. Three diets were used: 0%, 50%, and 100% mote. Dry matter intake was greatest for steers consuming 100% mote. Digestibility of DM, OM, CP, and energy was least for steers consuming 50% mote and greatest for those consuming 0% mote. Digestibility of NDF and ADF was greatest for steers consuming 0% mote. Fat digestibility was greatest by steers consuming 0% mote and least by steers consuming 100% mote, with those consuming 50% mote being intermediate. Steers consuming 0 …
Population Characteristics Of Interior Double-Crested Cormorants Breeding Across The Southern Border Of Ontario, Jennifer Erin Chastant
Population Characteristics Of Interior Double-Crested Cormorants Breeding Across The Southern Border Of Ontario, Jennifer Erin Chastant
Theses and Dissertations
Interior Double-crested cormorant reproduction was examined on a large geographical scale to evaluate management actions. Three distinct breeding areas across Ontario were selected. Beginning in 2002, over 11,000 preledged cormorants have been marked. During 2006 and 2007, re-observation of banded birds, colony data such as nest, egg, and chick measurements, and island morphology, were collected. Data revealed no significant regional differences in adult size. However, eggs in eastern Lake Ontario (ELO) were larger than North Channel of Lake Huron (NChan) and Lake of the Woods (LOW). Chicks in ELO throughout development were smaller than NChan and LOW. Number of gulls …
Determination And Compatibility Of Putatively Hypovirulent And Virulent Isolates Of Cryphonectria Parasitica Collected From The Great Smoky Mountains National Park, David Franklin Mcneill
Determination And Compatibility Of Putatively Hypovirulent And Virulent Isolates Of Cryphonectria Parasitica Collected From The Great Smoky Mountains National Park, David Franklin Mcneill
Theses and Dissertations
A two-year study was conducted to collect and identify hypovirulent isolates of the chestnut blight fungus (Cryphonectria parasitica) from American chestnut trees located in the Great Smoky Mountains National Park (GRSM). During the survey, 339 isolates were obtained, 54 of which had abnormal morphological characteristics in culture and 3 of these contained dsRNA. Analysis of vegetative compatibility divided all 339 isolates into 34 distinct groups, 16 of which only contained a single isolate. A total of 19 isolates (compared to 3 controls) containing abnormal cultural morphologies or dsRNA were randomly selected for use in a field trial containing 44 natural …
Determination Of Ricin Content In Castor (Ricinus Communis L.) Tissues And Comparison Of Detoxification Methods, Daniel Joseph Barnes
Determination Of Ricin Content In Castor (Ricinus Communis L.) Tissues And Comparison Of Detoxification Methods, Daniel Joseph Barnes
Theses and Dissertations
Experiments were conducted to test for ricin content in tissue samples from four castor cultivars, developing castor seed, germinating castor seedlings, and chemically and heat treated seed meal. Ricin content of each sample was examined via Western blotting with ricin A-chain specific antibodies. Results indicate that ricin is present solely within castor endosperm and is not present any other tissues. Samples from developing seed and germinating seedlings indicate ricin production begins around day 28 post pollination, and ricin is absent from the seedling 6 days after the onset of radicle emergence. This would seem to indicate that the purpose of …
Ecology Of Larra Bicolor (Hymenoptera: Sphecidae) In The Northern Gulf, Cheri Muthirakalayil Abraham
Ecology Of Larra Bicolor (Hymenoptera: Sphecidae) In The Northern Gulf, Cheri Muthirakalayil Abraham
Theses and Dissertations
Mole Crickets (Scapteriscus spp.) are the most destructive pests in southern turf and pasture grasses. In response to extensive losses from mole crickets, Florida formed a task force to identify natural enemies in the native range of these pests. Two parasitic insects, Larra bicolor and Ormia depleta, and Steinernema scapterisci, an entomopathogenic nematode, were imported and released. Of the two insects, only Larra bicolor has spread to other states infested with mole crickets in the southeast. The present study documents the seasonal biology of Larra bicolor in the northern Gulf region, ornamental plants that can be used as nectar sources, …
Epidemiologic And Economic Study Of Hyperelastosis Cutis/Herda In The Quarter Horse Cutting Industry, Sally Grant Tipton
Epidemiologic And Economic Study Of Hyperelastosis Cutis/Herda In The Quarter Horse Cutting Industry, Sally Grant Tipton
Theses and Dissertations
Hyperelastosis Cutis (HC) is an autosomal recessive disorder in Quarter Horses. Homozygous (Hr/Hr) horses are affected with fragile, hyperextensible skin that sloughs and scars easily following minor trauma. Heterozygous (N/Hr) horses appear normal, but carry one copy of the gene. Objectives were to determine inbreeding coefficients of affected (Hr/Hr), carrier (N/Hr), and normal (N/N) Quarter Horses, compared to Thoroughbreds, and evaluate economic effects of HC within the cutting horse industry. Of the top cutting horses from 1985 through 2006, 35 were confirmed carriers by either DNA analysis or production of affected offspring. Although 23% of the earnings from the leading …
An Evaluation Of Magnesium Status And Inflammatory Response During The Third Trimester Of Normal Pregnancy And Preeclampsia, Fauzia Asadullah Khan
An Evaluation Of Magnesium Status And Inflammatory Response During The Third Trimester Of Normal Pregnancy And Preeclampsia, Fauzia Asadullah Khan
Theses and Dissertations
Recent reports suggest that preeclampsia is the result of an excessive maternal systemic inflammatory response. The role of magnesium and systemic inflammation in normal pregnancy and preeclampsia needs to be defined. The objectives of this study were to compare (1) demographic and (2) anthropometric characteristics of normal and preeclamptic pregnant women; and (3) to determine and compare serum iMg++ and tMg concentration and the association between inflammatory makers such as TNFα, leptin, adiponectin, IL10, ET-1, triacylglycerol, FFA, serum iMg++ and, tMg concentration of normal and preeclamptic pregnant women during the third trimester of pregnancy. Thirtyfive healthy pregnant and thirtyive preeclamptic …
Attitudes Of Agriscience Teachers, Counselors, Administrators, And Students Toward Selected Agriscience Programs In Mississippi, Mary Hitchner Brister
Attitudes Of Agriscience Teachers, Counselors, Administrators, And Students Toward Selected Agriscience Programs In Mississippi, Mary Hitchner Brister
Theses and Dissertations
The purpose of this study was to determine the attitudes of administrators, counselors, agriscience teachers, and students towards the high school agriscience programs in Mississippi. It was also to determine the average scores of students on a criterion-based exam, and to determine if there was a correlation between the attitude scales of the agriscience teachers, counselors, administrators, students, and the student scores on the exam. The study used a descriptive survey and a descriptive-correlational design. Three different surveys were sent out to 356 agriscience teachers, counselors, and administrators at schools with either a Concepts of Agriscience Technology course or an …
Availability And Seasonal Use Of Diurnal Roosts By Rafinesque's Big-Eared Bat And Southeastern Myotis In Bottomland Hardwoods Of Mississippi, Candice Leeann Stevenson
Availability And Seasonal Use Of Diurnal Roosts By Rafinesque's Big-Eared Bat And Southeastern Myotis In Bottomland Hardwoods Of Mississippi, Candice Leeann Stevenson
Theses and Dissertations
Rafinesque’s big-eared bat (Corynorhinus rafinesquii) and southeastern myotis (Myotis austroriparius) are listed as species of concern in Mississippi. They use bottomland hardwood forests for roosting habitat; however, much of these forests in Mississippi have been lost or degraded. I seek to characterize availability and evaluate use of diurnal tree roosts for these presumably rare bats. Approximately 1,250 ha of bottomland hardwood forest on Noxubee National Wildlife Refuge were surveyed. I measured characteristics of 622 cavity trees. Analyses revealed that these bats most often used cavities of large diameter trees (≥70 cm DBH). Rafinesque’s big-eared bat and southeastern myotis roosted commonly …
Stability Of Catfish Methyl Esters Under Normal Versus Accelerated Storage Conditions, Saowalee Jongrattananon
Stability Of Catfish Methyl Esters Under Normal Versus Accelerated Storage Conditions, Saowalee Jongrattananon
Theses and Dissertations
Oxidative storage stability was conducted to determine the optimum antioxidant for the production of catfish methyl esters (CFME) for use as biodiesel. Peroxide value, anisidine value, 2-thiobarbituric reaction substances, acid value, iodine value, UV absorbance, and induction period were measured. Antioxidant, stability parameters changed over a storage time of one year when stored at 25°C. The CFME were not stable to oxidation without the addition of TBHQ. When stored at 25°C, oxidative parameters indicated that CFME was a stable product that met oxidative stability standards when TBHQ was added. When held at 80°C for 28 days, the samples with TBHQ …
Long-Term Trophic Shifts Among Fishes After Extensive Modification Of A Southeastern U.S. River System, Matthew E. Roberts
Long-Term Trophic Shifts Among Fishes After Extensive Modification Of A Southeastern U.S. River System, Matthew E. Roberts
Theses and Dissertations
Regulation of the Upper Tombigbee River and its incorporation into the Tennessee-Tombigbee Waterway has resulted in main-channel flows that differ from the pre-regulation condition. Flows differ in (1) magnitude: higher base flows, damped peak flows, and (2) variability: the river rises and falls faster and the number of reversals has increased. A shift in the trophic ecology of the resident fish assemblage corresponded with the altered hydrology. Assemblage-level trophic plasticity manifested through dietary shifts in species present during both time periods are coupled with changes to the taxonomic structure observed previously. Species representing the contemporary assemblage feed on fewer taxa …
Morphological And Physiological Changes In Laying Hens In Various Stages Of Non-Feed Withdrawal Molt, Ann Laster Mcdonald
Morphological And Physiological Changes In Laying Hens In Various Stages Of Non-Feed Withdrawal Molt, Ann Laster Mcdonald
Theses and Dissertations
Molting is a natural occurrence in the Avian species that can include a period of fasting. Animal rights groups view the longepted standard industry practice as inhumane. Based on influences from these groups and the recommendation of its scientific committee, United Egg Producers (UEP) requires members of its Animal Care Certified Program use a noneed withdrawal molting program, even though the morphological and physiological effects of this method have not been studied in depth and the existing literature provides contradictory results. Research regarding how to induce a noneed withdrawal molt has been performed using feed that is nutrient deficient or …
Formulation Of A Fruit Slush Using Evaporated Sweet Whey, Reginald Carl Sean Johnson
Formulation Of A Fruit Slush Using Evaporated Sweet Whey, Reginald Carl Sean Johnson
Theses and Dissertations
Wheyruit slush formulas were evaluated prior to consumer testing of pre-selected formulated beverages. Varying ingredients were prepared in accordance to a factorial design of maximum use of whey and minimum use of additional ingredients. Whey was obtained from the Mississippi State University Dairy Processing Plant and evaporated. The evaporated sweet whey was combined with blueberries, cherry concentrate, Splenda®, water and ice. Sensory tests were conducted to evaluate appearance, flavor and overall acceptability of formulations. Panelists were asked to participate in a survey to elaborate personal perceptions of the products. Formulation of 125mL whey and 30g blueberries had the higher acceptability …
A Change For The Future: Presidents' And Deans' Real And Ideal Leadership Practices At Community And Junior Colleges In Mississippi, Mildred Stevenson
A Change For The Future: Presidents' And Deans' Real And Ideal Leadership Practices At Community And Junior Colleges In Mississippi, Mildred Stevenson
Theses and Dissertations
The purpose of the study is to examine real vs. ideal leadership practices of administrators according to race, gender, age, experience, and education level years in current position, and years of experience at Mississippi community and junior colleges. The survey instruments were a modified version of the Leadership Practices Inventory-Self (LPI Self) and the Leadership Practices Inventory-Observer (LPI-Observer) originally developed by Kouzes and Posner in 1985 and updated by Kouzes and Posner in 1997. The reliability and validity of the instruments have been consistently high and the instruments have been used in many studies, including doctoral dissertations and other empirical …
The Beekeepers, Richard Robinson
The Beekeepers, Richard Robinson
Theses and Dissertations
The Beekeepers complements a film/digital video of the same name. It documents my process in creating alternative films/digital videos while pursuing my MFA at Virginia Commonwealth University. It starts with my first film/digital video, “Redemption,” and traces my progression over two years culminating with the 25 minute experimental documentary, “The Beekeepers
Find Meaning Make Meaning, Karen Stein
Find Meaning Make Meaning, Karen Stein
Theses and Dissertations
Employing the designer William Morris as a source of inspiration, this project seeks to explore the call for nature and beauty as a part of our lives. Moreover, it interweaves the necessity for experience of the sensual world (the five senses) with the cerebral world (a requisite to igniting the internal imagination)—a concept embodied in the form of the book. It advocates a redefining of the book as an imagination sculpture (the external and the internal) reflecting this new definition.
Effects Of Metal Protoporphyrins On Burn Wound Conversion, Katie Braun
Effects Of Metal Protoporphyrins On Burn Wound Conversion, Katie Braun
Theses and Dissertations
A murine model was utilized to test the influence of heavy metal protoporphyrins on burn conversion, heme oxygenase – 1 (HO-1) expression, and inflammation. Heavy metal protoporphyrins, such as cobalt protoporphyrin (Co PP) and tin protoporphyrin (Sn PP), were used to influence the heme oxygenase activity. The effects of these heavy metal protoporphyrins on burn wound conversion were examined using a burn comb model in rats. In addition to assessing the extent of conversion, HO-1 expression and parameters of inflammation were also examined in the area of injury (interspace region) subject to conversion. These studies demonstrate proof in principal that …
Faith And News: A Quantitative Study Of The Relationship Between Religiosity And Tv News Exposure, Raquel Marvez
Faith And News: A Quantitative Study Of The Relationship Between Religiosity And Tv News Exposure, Raquel Marvez
Theses and Dissertations
The purpose of this study is to investigate the relationship between religiosity and broadcast news usage. This study examines the level of religiosity of individuals and its correlation to broadcast news exposure. The correlation between religiosity and perceptions of violence on broadcast news was also measured. Two theories were applied in this study. Uses and Gratifications asserts the active character of the audience to choose what they watch, how often, etc., and Selective Exposure defends the ability of the individual to select media that coincides with personal value systems. These two theories complement each other and provide support in the …
Effects Of Light Exposure On The Release Of Oxygen From Hemoglobin In A Red Blood Cell Suspension, Tanikka Toler
Effects Of Light Exposure On The Release Of Oxygen From Hemoglobin In A Red Blood Cell Suspension, Tanikka Toler
Theses and Dissertations
The main function of the cardiovascular system is to deliver a sufficient quantity of oxygenated blood to the tissues, cells, and organs of the body in order to provide the cells with essential nutrients for metabolism and for the removal of waste products. All cells require and utilize oxygen. Oxygen is transported to various cells and tissues via red blood cells flowing through the microcirculation of an organism. Measurement of oxygen transport in the microcirculation has shown that about ten times more oxygen appears to leave the blood of arterioles than can be accounted for by diffusion. One possibility to …
An Exploration Of The Effects Of Long-Term Intimate Partner Violence: Listening To Older Women, Suzanne Lowe
An Exploration Of The Effects Of Long-Term Intimate Partner Violence: Listening To Older Women, Suzanne Lowe
Theses and Dissertations
Abstract AN EXPLORATION OF THE EFFECTS OF LONG-TERM INTIMATE PARTNER VIOLENCE: LISTENING TO OLDER WOMEN By Suzanne Faries Lowe, Ph.D. A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at Virginia Commonwealth University. Virginia Commonwealth University, 2008 Chairman of Committee Laura J. Moriarty, Ph.D. Professor of Criminal Justice Wilder School of Government and Public Affairs There has been a great deal of research during the past four decades on the topic of domestic violence. Very little research has been conducted, however, on the effects of long-term intimate partner violence on older women. The …
Molecular Mechanisms Involved In Oligodendrocyte Development, Rochelle Coelho
Molecular Mechanisms Involved In Oligodendrocyte Development, Rochelle Coelho
Theses and Dissertations
Multiple sclerosis (MS) is a chronic disease of the central nervous system (CNS) characterized by demyelination and loss of oligodendrocytes (OLGs), the CNS myelin-producing cells. Thus, understanding the mechanisms that control OLG development can provide valuable knowledge regarding remyelination therapies for MS. This disease is thought to result from an autoimmune attack towards myelin. FTY720, an immunomodulator under evaluation for MS treatment is a sphingosine-1-phosphate (S1P) analog. We found before that S1P plays a crucial role in the NT-3-mediated survival of OLGs, an observation that led us to investigate whether FTY720 could have any effect on these cells. Our studies …
Manager Tools Podcast: A Study Of Podcasting's Effectiveness With Profit Potential, Quincy Frodesen Beal
Manager Tools Podcast: A Study Of Podcasting's Effectiveness With Profit Potential, Quincy Frodesen Beal
Theses and Dissertations
This thesis seeks to understand further the effectiveness and profit potential of podcasting. The study combines the theories of uses and gratifications and subjective theory of value to create a model for podcasting's value. The model is put to the test using the Manager Tools podcast as the subject. Data suggest the three main drivers behind perceived podcast effectiveness are pleasure, habit, and information gathering. Relaxation proved to have a negative influence on perceived effectiveness. The audience's willingness to pay was determined by perceived effectiveness, scarcity, and habit. Though not a generalizable study, the conclusion discusses the findings' implications on …
The Effects Of Excess Corticosterone On Lkb1 And Ampk Signaling In Skeletal Muscle Of Rats, Gary N. Nakken
The Effects Of Excess Corticosterone On Lkb1 And Ampk Signaling In Skeletal Muscle Of Rats, Gary N. Nakken
Theses and Dissertations
Cushing's syndrome and glucocorticoid therapy lead to central obesity, insulin resistance, and symptoms of altered energy regulation similar to those observed in the metabolic syndrome. We hypothesized that excess glucocorticoids alter energy sensing/signaling in skeletal muscle through mediation of the LKB1/AMPK signaling pathway. To test this hypothesis, three 100 mg pellets of corticosterone were implanted subcutaneously in each of nine rats for two weeks. Responses were compared with sham operated controls fed ad libitum or food restricted to produce the body weights similar to the treatment group rats. After the treatment period, animals were anesthetized and the right gastrocnemius-plantaris and …
Work Is Fun: The Phenomenon Of Boys Enjoying Work In A Camp Setting, Zina Lenore Bennion
Work Is Fun: The Phenomenon Of Boys Enjoying Work In A Camp Setting, Zina Lenore Bennion
Theses and Dissertations
The purpose of this study was to examine the perceived outcomes of participation in a summer camp that included physical work and service as a major component. A qualitative data analysis approach was used. A convenience sample of 10 male adolescents and 10 parents were selected. The data was analyzed using open, axial, and selective coding. Data analysis was used to ascertain perceived outcomes from the program from both boys and their parents. Analysis of the data showed the emergence of a core theme of boys learning to work and enjoying work. Enjoying work was the term chosen to represent …
Assessing Water Quality Modeling In Subtropical Regions Based On A Case Study Of The Aguamilpa Reservoir, Oliver Obregon
Assessing Water Quality Modeling In Subtropical Regions Based On A Case Study Of The Aguamilpa Reservoir, Oliver Obregon
Theses and Dissertations
The shortage of water in Mexico has made public and private institutions look at reservoirs as an alternative solution for present and future water supply. However, eighty percent of the existing reservoirs in Mexico are contaminated at some level, many severely. Water quality models are water-management tools used to diagnose water quality problems and the impact of various environmental conditions. They can be effective in assessing various measures of remediation leading to improved water quality. In most of the cases such water quality models have been successfully applied in reservoirs located in temperate climates. However, the use of water quality …