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2005

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Rna Polymerase Ii Synthesizes Antisense Rna In Plasmodium Falciparum, Kevin T. Militello, Vishal Patel, Anne-Danielle Chessler, Julia K. Fisher, Jacob M. Kasper, Anusha Gunasekera, Dyann F. Wirth Jan 2005

Rna Polymerase Ii Synthesizes Antisense Rna In Plasmodium Falciparum, Kevin T. Militello, Vishal Patel, Anne-Danielle Chessler, Julia K. Fisher, Jacob M. Kasper, Anusha Gunasekera, Dyann F. Wirth

Biology

The recent identification of antisense RNA in the transcriptomes of many eukaryotes has generated enormous interest. The presence of antisense RNA in Plasmodium falciparum, the causative agent of severe malaria, remains controversial. Elucidation of the mechanism of antisense RNA in P. falciparum synthesis is critical in order to demonstrate the origin and function of these transcripts. Therefore, a systematic analysis of antisense and sense RNA synthesis was performed using direct labeling experiments. Nuclear run on experiments with single-stranded DNA probes demonstrated that antisense RNA is synthesized in the nucleus at several genomic loci. Antisense RNA synthesis is sensitive to the …

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Characterizing The Health Status Of The Louisiana Gopher Tortoise (Gopherus Polyphemus), Orlando Diaz-Figueroa Jan 2005

Characterizing The Health Status Of The Louisiana Gopher Tortoise (Gopherus Polyphemus), Orlando Diaz-Figueroa

LSU Master's Theses

Gopher tortoise (Gopherus polyphemus) populations have experienced precipitous declines from habitat loss, and human and disease related mortality. The goal of this study was to characterize the health status of free-ranging Louisiana gopher tortoises. Gopher tortoises were collected during two distinct trapping seasons: fall (August-October 2002) and spring (April-June 2003). Captured tortoises were given a physical exam and the carapace and plastron length and width, weight, and body temperature were recorded. Blood was collected from the subcarapacial vein and submitted for the following testing procedures: complete blood count, plasma chemistry, infectious disease serology (Mycoplasma), and toxicologic screen (copper, mercury, zinc, …

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Cognitive Adaptation's Implication On Diabetic Adherence, Martin Ancona Jan 2005

Cognitive Adaptation's Implication On Diabetic Adherence, Martin Ancona

LSU Master's Theses

Diabetes, affecting more than 18 million people in the United States, is an epidemic problem. The illness is usually progressive, leading to neuropathy, blindness, and limb amputation. The most common type of the illness, Type 2 diabetes, is usually controllable through a strict combination of diet, exercise, and medication. However, non-compliance, rather than compliance, to prescribed diabetes regimens is the norm. Although past research has uncovered many of the reason that diabetics may fail to adhere to their regimen, the whole puzzle has not yet been solved. This study looked at the Cognitive Adaptation Theory in relation to diabetic adherence. …

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Offshore Oil And Gas Platforms As Stepping Stones For Expansion Of Coral Communities: A Molecular Genetic Analysis, Amy D. Atchison Jan 2005

Offshore Oil And Gas Platforms As Stepping Stones For Expansion Of Coral Communities: A Molecular Genetic Analysis, Amy D. Atchison

LSU Master's Theses

The northern Gulf of Mexico (GOM) is one of the most productive oil and gas exploration areas in the world, currently containing approximately 3,800 offshore platforms. These platforms serve as artificial reefs in shallow water, which until their introduction was nearly devoid of shallow hard substrata. The question is raised whether this newly available substrate could help expand coral populations in the GOM. In this study, I examined adult scleractinian corals on oil and gas platforms in the northern GOM, in the vicinity of the Flower Garden Banks (FGB; approximately 180 km SE of Galveston, Texas) and attempted to determine …

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Effects Of 5-Ht2 Receptor Ligands On Tail Pinch-Induced Stress Responding And Open Field Behavior, John K. Hearn Jan 2005

Effects Of 5-Ht2 Receptor Ligands On Tail Pinch-Induced Stress Responding And Open Field Behavior, John K. Hearn

LSU Master's Theses

Stress is known to exert an influence on neuroendocrine, autonomic, hormonal, and immune functioning. As a result of the debilitating effects of stress on numerous bodily systems, there exists a large body of research devoted to the etiology, physiological sequelae, and treatment of the condition. Further, the neurotransmitter serotonin (5-HT) has been implicated in stress responding. Presently, there is conflict in the literature as to the precise role serotonin plays in mediating the stress response. This study was an attempt to further elucidate the role of 5-HT in mediating an organism’s response to tail pinch stress and the open field. …

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Do Predator Exclusion, Position, And Plant Architecture Influence Hydrilla-Dwelling Macroinvertebrate Communities?, Jonathan C. Fisher Jan 2005

Do Predator Exclusion, Position, And Plant Architecture Influence Hydrilla-Dwelling Macroinvertebrate Communities?, Jonathan C. Fisher

LSU Master's Theses

Hydrilla verticillata invaded south central Louisiana during the 1970s subsequently becoming the dominant submerged macrophyte in floodplain habitats of the Atchafalaya River Basin. The effects of hydrilla on littoral habitat structure, water quality, fish, and macroinvertebrates have been pervasive, and I hypothesized that dense hydrilla stands would also impact vertebrate predation on resident macroinvertebrates, although predation effects would likely be mediated by bed position. During 2003 and 2004, I conducted exclosure experiments in the Atchafalaya River Basin with artificial substrates to test for variations in hydrilla bed macroinvertebrate communities caused by predation, plant architecture, and bed position. To determine invertebrates …

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Evaluation Of Selected Refuges In A Bollgard Cotton Production System: Heliothine Movement And Effects On Boll Injury, Rhett Hunter Gable Jan 2005

Evaluation Of Selected Refuges In A Bollgard Cotton Production System: Heliothine Movement And Effects On Boll Injury, Rhett Hunter Gable

LSU Master's Theses

During 2001-2003, distribution of heliothine- (bollworm, Helicoverpa zea [Boddie], and tobacco budworm, Heliothis virescens [F.]) injured bolls in a transgenic Bacillus thuringiensis Berliner (Bt) Bollgard® and non-Bt refuge cotton system was evaluated in several experiments. Heliothine-damaged bolls were significantly higher and seedcotton yields were lower in the non-Bt refuge than in the Bollgard® areas of fields. The highest probability in occurrence of damaged bolls was at sites near the center of the non-Bt refuge. Number of damaged bolls and probability values describing occurrence decreased from the center of the refuge to sites near the interface (adjacent rows) of the non-Bt …

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Evaluation Of Vetiver Oil And Alate Biology As Preventative Measures Against The Formosan Subterranean Termite, Coptotermes Formosanus Shiraki (Isoptera: Rhinotermitidae), Karen Elizabeth Nix Jan 2005

Evaluation Of Vetiver Oil And Alate Biology As Preventative Measures Against The Formosan Subterranean Termite, Coptotermes Formosanus Shiraki (Isoptera: Rhinotermitidae), Karen Elizabeth Nix

LSU Master's Theses

The Formosan subterranean termite, Coptotermes formosanus Shiraki, is responsible for over $1 billion in property damage, repairs, and control in the United States. Presently, control of this exotic pest depends mainly on chemical methods. There is an increasing interest in using natural products in pest control because of their low mammalian toxicity and environmental safety. Chemical components of the roots of vetiver grass, Vetiveria zizanioides (L.) Nash, have shown to be effective repellents and toxicants to Formosan subterranean termites. Objectives of this research were to evaluate: 1) vetiver grass root growth and its oil distribution; 2) vetiver oil, nootkatone, and …

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Secular Change In The Skull Between American Blacks And Whites, Nicole Danielle Truesdell Jan 2005

Secular Change In The Skull Between American Blacks And Whites, Nicole Danielle Truesdell

LSU Master's Theses

Biologically, discernable differences exist between and within populations based on environmental and genetic factors. Understanding these differences is necessary in forensic anthropology as biological ancestry is asked of forensic anthropologists when assessing an individual’s biological profile. In order to make this assessment, secular changes in population dynamics need to be tracked. The purpose of this research is to examine nonmetric racial characteristics in the skull between American blacks and whites. This study used twelve nonmetric traits as criteria on two different temporal groups from collections at the Smithsonian Institution (N=408) and the University of Tennessee, Knoxville (N=218). Frequencies were calculated, …

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The Role Of Heparanase In Malignant Melanoma And The Development Of A Brain Slice Model To Study Mechanisms Of Brain Metastatic Melanoma In Vivo, Brian Paul Murry Jan 2005

The Role Of Heparanase In Malignant Melanoma And The Development Of A Brain Slice Model To Study Mechanisms Of Brain Metastatic Melanoma In Vivo, Brian Paul Murry

LSU Master's Theses

This thesis focuses on the study of heparanase which is an enzyme involved as a molecular determinant of cancer metastasis. The purpose of this study was to first quantitate heparanase mRNA levels in both normal and tumorigenic samples from the same tissue specimen. Laser capture microdissection was used in the isolation and extraction of melanoma cell populations from normal tissue. There was a 29 fold upregulation of heparanase expression, detected by real-time PCR, in metastatic melanoma of the lung in comparison to normal lung tissue in mice. Immunohistochemistry (IHC) showed stronger staining in human metastatic melanoma when compared to primary …

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Nekton Utilization Of Black Mangrove (Avicennia Germinans) And Smooth Cordgrass (Spartina Alterniflora) Sites In Southwestern Caminada Bay, Louisiana, Melanie Christine Caudill Jan 2005

Nekton Utilization Of Black Mangrove (Avicennia Germinans) And Smooth Cordgrass (Spartina Alterniflora) Sites In Southwestern Caminada Bay, Louisiana, Melanie Christine Caudill

LSU Master's Theses

This is the first study to compare nekton use and habitat value among Spartina alterniflora (Spartina), Avicennia germinans (black mangrove), and transition (S. alterniflora and A. germinans) sites within Louisiana's salt marsh-mangrove ecotone. Fishes and crustaceans were collected in Caminada Bay during fall 2003 and spring 2004 using 4 m2, bottomless lift nets. Although analyses were unable to demonstrate significant differences in fish (p=0.0753) and crustacean (p=0.1457) densities and species composition (p=0.8801) across sites, habitat-specific trends in nekton use were evident. Fishes, including gulf killifish and sheepshead minnows, showed affinities for the Spartina site, while crustaceans, especially white shrimp, were …

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Image Processing Techniques To Identify Predatory Birds In Aquacultural Settings, Uma Devi Nadimpalli Jan 2005

Image Processing Techniques To Identify Predatory Birds In Aquacultural Settings, Uma Devi Nadimpalli

LSU Master's Theses

Bird predation is a major problem in aquaculture. A novel method for dispersing birds is the use of a vehicle that can sense and chase birds. Image recognition software can improve their efficiency in chasing birds. Three recognition techniques were tested to identify birds 1) image morphology 2) artificial neural networks, and 3) template matching have been tested. A study was conducted on three species of birds 1) pelicans, 2) egrets, and 3) cormorants. Images were divided into 3 types 1) Type 1, 2) Type 2, and 3) Type 3 depending upon difficulty to separate from the others in the …

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Adventures Of A Former Girlfriend: A Novel, Colleen Helen Fava Jan 2005

Adventures Of A Former Girlfriend: A Novel, Colleen Helen Fava

LSU Master's Theses

This is a novel about a young woman trying to redefine herself after years of defining herself through her relationships with other people, most specifically her boyfriends, but also her family. The heroine faces many challenges: the end of a long-term relationship, the illness of her niece, complications with her best friends, and a revelation about her parent's relationship. These ordinary obstacles of everyday living will propel the main character into a confrontation with her perception of herself and the world around her.

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Mania And Intellectual Disability: The Course Of Mania Symptoms In Persons With Disability Over Three Years, Melissa Luke Gonzalez Jan 2005

Mania And Intellectual Disability: The Course Of Mania Symptoms In Persons With Disability Over Three Years, Melissa Luke Gonzalez

LSU Master's Theses

Although bipolar disorder was one of the earliest described mental illnesses, there is a dearth of research on bipolar disorder in individuals with intellectual deficits. The present study aimed to extend this literature by comparing the presence and variation of manic symptoms over time of persons with intellectual deficits with and without bipolar disorder. Three groups of individuals participated: a bipolar group, a psychopathology group (other than bipolar disorder) and a control group. Two dependent measures of mania were taken from retrospective data, Mania subscale of the DASH-II and a Criterion-referenced subscale. The presence and consistency of mania symptom endorsements …

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Development Of Software To Process Aerial Images For Agricultural Purposes, Sirisha Polsapalli Jan 2005

Development Of Software To Process Aerial Images For Agricultural Purposes, Sirisha Polsapalli

LSU Master's Theses

Remote sensing has been used in precision agriculture for monitoring crop health, weed management, detecting nutrient stress, and yield forecasting. One method of implementing remote sensing is through aerial imagery. Aerial imagery is being used in precision agriculture for a variety causes such as to detect crop stress, fertilizer skips and overlaps, nitrogen excesses and deficiencies and detect irregular or reduced crop stand. These crop features are noted by extracting spectral information from the images. The spectral data is obtained from the images by using software programs. The software programs process the images one at a time or assemble them …

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Naturally-Derived Porphyrin And Chlorin Photosensitizers For Photodynamic Therapy, Jodie Angela Hargus Jan 2005

Naturally-Derived Porphyrin And Chlorin Photosensitizers For Photodynamic Therapy, Jodie Angela Hargus

LSU Master's Theses

In oncologic applications of photodynamic therapy (PDT), the discriminating localization of porphyrin-type compounds in solid tumors is exploited for the selective ablation of neoplastic tissue with minimal destruction and irritation to normal tissue. PDT is a locoregional, binary cancer therapy in which a photosensitizer—light-activated drug—absorbs light of an appropriate wavelength and excites to the singlet state. This photosensitizer in the excited singlet state can undergo an internal transition to the excited triplet state, a relatively long-lived and high-energy species that transfers its excess energy to molecular oxygen. Molecular oxygen subsequently excites from the stable triplet state to the highly reactive …

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Purification Of Lysozyme From Shell Liquor Of Eastern Oysters (Crassostrea Virginica) And Its Use In Antimicrobial Films To Preserve Smoked Fish, Shreya Datta Jan 2005

Purification Of Lysozyme From Shell Liquor Of Eastern Oysters (Crassostrea Virginica) And Its Use In Antimicrobial Films To Preserve Smoked Fish, Shreya Datta

LSU Master's Theses

The objective of our study was to purify lysozyme from the fluid filling cavity (shell liquor) of the eastern oysters (Crassostrea virginica) and determine the antimicrobial activity of purified lysozyme against foodborne pathogens in smoked salmon samples. Oyster shell liquor was collected over four seasons namely summer 2003, fall 2003, winter 2004, and spring 2004. Spring season showed the highest lysozyme concentration. Lysozyme was purified from 300 liters of oyster shell liquor by a two-step ion exchange chromatography using SP- and CM- Sepharose Fast Flow columns, respectively. Two hundred five mg of pure lysozyme was obtained which represented a recovery …

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Sinker Cypress: Treasures Of A Lost Landscape, Christopher Aubrey Hurst Jan 2005

Sinker Cypress: Treasures Of A Lost Landscape, Christopher Aubrey Hurst

LSU Master's Theses

Sinker cypress (Taxodium spp.) logs are timbers that were lost during transit from harvest locations in the swamps and mill sites during the industrial cypress harvest from 1880-1930. A small industry has developed, concentrated on the recovery of sinker logs. Most of the persons involved in the recovery of sinker cypress, mill the logs into lumber, and sell the timber directly to consumers or to distributors. A smaller number of pullers retain the logs for personal use. Recovery operations are a costly endeavor and require a significant investment on the part of the harvesters. Most pullers are owner/operators who do …

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An Examination Of Psychotropic Medication Prescription Practices Among Individuals With Mental Retardation, Ashvind Nand Singh Jan 2005

An Examination Of Psychotropic Medication Prescription Practices Among Individuals With Mental Retardation, Ashvind Nand Singh

LSU Master's Theses

While there is an extensive literature on the use of psychotropic medications among individuals with mental retardation, little of it has focused on the reasons for these prescriptions. Researchers have shown that the prevalence of psychotropic medication use among individuals with mental retardation is relatively high when compared to people with other disabilities and that the reasons for these drug prescriptions may not be based on rational pharmacotherapy. Data is needed on the prescribing physician’s adherence to consensus guidelines or algorithms developed to enhance rational psychopharmacotherapy. In order to do this, the rationales being used by physicians when they decide …

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Characteristics Of Reduced Fat Milks As Influenced By The Incorporation Of Folic Acid, Kamalesh Achanta Jan 2005

Characteristics Of Reduced Fat Milks As Influenced By The Incorporation Of Folic Acid, Kamalesh Achanta

LSU Master's Theses

Folic acid plays an important role in the prevention of neural tube defects such as spina bifida and anencephaly, heart defects, facial clefts, urinary abnormalities and limb deficiencies. Milk and milk products serve as a potential source for folic acid fortification due to the presence of folate binding proteins which seem to be involved in the folate bioavailability. Though milk is a not a good source of folic acid, fortification could help in the prevention of the above mentioned defects. The objective of this study was to examine the physico-chemical characteristics of reduced fat milks fortified with folic acid. Reduced …

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Yellow Fever In The Felicianas: The Epidemic Of 1878 And Its Effects Upon The Residents Of These Rural Parishes, Mary Jane Duke Russell Jan 2005

Yellow Fever In The Felicianas: The Epidemic Of 1878 And Its Effects Upon The Residents Of These Rural Parishes, Mary Jane Duke Russell

LSU Master's Theses

This research documents the spread of yellow fever across the rural Louisiana parishes of East Feliciana and West Feliciana in 1878 and examines the reactions and responses of the residents to medical, social and economic stresses produced by that epidemic. Descriptive details highlight the variability of individual ideas and mindsets at play against the backdrop of accepted paradigms, belief systems and current technology. In 1878 the Aëdes aegypti mosquito had not yet been identified as the vector of the arbovirus (arthropod borne virus) that causes yellow fever. A short history of yellow fever in the United States and a discussion …

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Perceived Loneliness, Helplessness, And Boredom Of Elderly Residents In Eden Nursing Homes., Robin Brush Parnell Jan 2005

Perceived Loneliness, Helplessness, And Boredom Of Elderly Residents In Eden Nursing Homes., Robin Brush Parnell

All ETDs from UAB

No abstract provided.

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Harding University Graduate Catalog 2005-2006, Harding University Jan 2005

Harding University Graduate Catalog 2005-2006, Harding University

Harding Academic Catalogs

No abstract provided.

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Development And Model Formulation Of Scalable Carbon Nanotube Processes: Hipco And Comocat Process Models, Adedeji Ebenezer Agboola Jan 2005

Development And Model Formulation Of Scalable Carbon Nanotube Processes: Hipco And Comocat Process Models, Adedeji Ebenezer Agboola

LSU Master's Theses

Carbon nanotubes are seamless cylindrical tubes, consisting of carbon atoms arranged in a regular hexagonal structure. It is considered as the ultimate engineering material because of its unique and distinct electronic, mechanical and material characteristics. The discovery of these materials pioneered the nanotechnology revolution, which encompasses a broad and multidisciplinary spectrum, including nanomaterials, nanobiotechnology, and nanoelectronics. Hundreds of published articles of laboratory scale and pilot plant processes were reviewed that describe potential synthesis and post–synthesis purification methods for large scale production of carbon nanotubes. The main production technologies include electric arc discharge, laser vaporization, and catalytic chemical vapor deposition. These …

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Molluscan Taphonomy As A Proxy For Recognizing Fossil Seagrass Beds, Jill Suzanne Leonard-Pingel Jan 2005

Molluscan Taphonomy As A Proxy For Recognizing Fossil Seagrass Beds, Jill Suzanne Leonard-Pingel

LSU Master's Theses

Seagrass beds, important marine ecosystems both economically and environmentally, have a poor fossil record. As a result, little is known about the geographic distribution of seagrasses over historic and geologic time, or their abundance when unaltered by anthropogenic effects. The purpose of this study is to define a taphonomic signature unique to seagrass beds that can be used as a proxy for identifying the seagrass habitat in the fossil record. In order to develop this proxy, sediment samples from Recent seagrass and non-seagrass environments were collected, and the molluscan bioclasts from these samples were categorically ranked for the following taphonomic …

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Environmental Factors Influencing Incubation Constancy And Recess Frequency In Gadwall (Anas Strepera) In The Prairie Pothole Region Of North Dakota, Nicole F. Lorenz Jan 2005

Environmental Factors Influencing Incubation Constancy And Recess Frequency In Gadwall (Anas Strepera) In The Prairie Pothole Region Of North Dakota, Nicole F. Lorenz

LSU Master's Theses

I examined nest attendance patterns for 132 Gadwall (Anas strepera) females breeding in the prairie pothole region located in Towner County, North Dakota from May to July 2000 - 2001. Overall, Gadwall had a daily incubation constancy of 76.5 ± 10.8%, and daily recess frequency of 2.2 ± 1.1 with each recess lasting 179.8 ± 133.8 minutes. Unlike other waterfowl species, Gadwall increased incubation constancy and decreased recess frequency as daily high temperature increased and showed no change in constancy with precipitation. Gadwall incubation constancy did not fit the body-size hypothesis, as Gadwall have a lower incubation constancy compared to …

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Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard Jan 2005

Antimicrobial Effect Of Cetylpyridinium Chloride Against Listeria Monocytogenes Growth On The Surface Of Raw And Cooked Shrimp, Tracie Michelle Dupard

LSU Master's Theses

Listeria monocytogenes has emerged as a major foodborne pathogen for the seafood industry due to its psychrotrophic nature and its ubiquitous presence. It has been isolated from soil, sewage, dead vegetative matter, aquatic environments, fecal material, fish, crustaceans, and domesticated animals. As a result, L. monocytogenes has been responsible for several shrimp recalls and has been epidemiologically linked to human listeriosis. Fresh seafood products are highly perishable and their shelf-life is limited by microbiological spoilage. Therefore, when pathogenic microorganisms are involved, it poses a health threat to the general public. The situation is further complicated because seafood processing plants are …

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Effects Of Protein Sources With Differing Ruminal Degradation Characteristics On Nutrient Digestibilities And Flows Through Various Segments Of The Gastrointestinal Tract Of Non-Lactating Holstein Cows, Taylor Whitney Braud Jan 2005

Effects Of Protein Sources With Differing Ruminal Degradation Characteristics On Nutrient Digestibilities And Flows Through Various Segments Of The Gastrointestinal Tract Of Non-Lactating Holstein Cows, Taylor Whitney Braud

LSU Master's Theses

Six non-lactating Holstein cows with ruminal and duodenal cannulas were used in a replicated 3x3 Latin square design experiment to investigate the effects of supplemental protein source on ruminal and total tract nutrient digestibility. Supplemental protein was provided from soybean meal (SBM), expeller processed soybean meal (EXP), or menhaden fish meal (FM). Basal diets consisted of (DM basis) 33% corn silage, 20% bermudagrass hay, 27% ground corn, and 2% minerals and vitamins. Supplemental protein was provided as (DM % of total diet) 18% soybean meal (SOY), 17% soybean meal and 1% fish meal (FM), or 12% soybean meal and 6% …

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Black Catholicism: Religion And Slavery In Antebellum Louisiana, Lori Renee Pastor Jan 2005

Black Catholicism: Religion And Slavery In Antebellum Louisiana, Lori Renee Pastor

LSU Master's Theses

The practice of Catholicism extended across racial boundaries in colonial Louisiana, and interracial worship continued to characterize the religious experience of Catholics throughout the antebellum period. French and Spanish missionaries baptized natives, settlers, and slaves, and the Catholic Church required Catholic planters to baptize and catechize their slaves. Most slaveholders outside New Orleans, however, were lax in the religious education of slaves. Work holidays did not always correspond to religious holy days, and the number of slave baptisms and confirmations on Catholic plantations often depended on the willingness of the local priest, or the slaves themselves, to attend the parish …

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Semantic Classification Of Rural And Urban Images Using Learning Vector Quantization, Prakash Thulasiraman Jan 2005

Semantic Classification Of Rural And Urban Images Using Learning Vector Quantization, Prakash Thulasiraman

LSU Master's Theses

One of the major hurdles in semantic image classification is that only low-level features can be reliably extracted from images as opposed to higher level features (objects present in the scene and their inter-relationships). The main challenge lies in grouping images into semantically meaningful categories based on the available low-level visual features of the images. It is important that we have a classification method that will handle a complex image dataset with not so well defined boundaries between clusters. Learning Vector Quantization (LVQ) neural networks offer a great deal of robustness in clustering complex datasets. This study presents a semantic …

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