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2010

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The Effects Of Dietary Amino Acid Density In Broiler Feed On Carcass Characteristics And Meat Quality, Reid Alexander Lilly Aug 2010

The Effects Of Dietary Amino Acid Density In Broiler Feed On Carcass Characteristics And Meat Quality, Reid Alexander Lilly

Theses and Dissertations

Research was conducted to evaluate the effect of dietary amino acid (AA) density (Deficient (D), Low (L), High (H), and Excessive (E)) on broiler breast and thigh meat quality. As expected, the feed conversion improved (P<0.05) as AA density increased. No differences (P>0.05) existed among treatments with regard to final pH, cooking loss, shear force, brine absorption proximate analysis, and average consumer acceptability of breast meat. The D AA diet yielded meat with less (P<0.05) moisture, less protein (P<0.05) and more fat (P<0.05) than all other treatments. Increasing AA density in the diet led to increased (P<0.05) concentrations of linoleic and linolenic acid in the thigh meat from the H and E treatments, thus making it more susceptible to oxidation (P<0.05) in comparison to the D and L treatments. Overall, data revealed that all four AA diets yielded high-quality breast and thigh meat with minimal product differences.

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The Relationship Between Conduct Problems And Attention Deficit Hyperactivity Disorder In Adolescent Psychopathy, Cary Stacy Smith Aug 2010

The Relationship Between Conduct Problems And Attention Deficit Hyperactivity Disorder In Adolescent Psychopathy, Cary Stacy Smith

Theses and Dissertations

The study of adolescent psychopathy has grown from being a fringe element in psychology to a mainstream topic for research. One issue that divides scholars centers on the relationship between conduct problems and attention-deficit hyperactivity disorder (ADHD) and their relationship to adolescent psychopathy. Some state the former factor has the most crucial relationship while other scholars categorically disagree, claiming that ADHD is the strongest. The majority of adolescents assessed for adolescent psychopathy are residents at state training schools; however, many of the behaviors associated with psychopathy are seen in students assigned to their district’s alternative educational setting. In order to …

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Protein Markers In Angus Bull Spermatozoa For Fertility, Xiaojun Wang Aug 2010

Protein Markers In Angus Bull Spermatozoa For Fertility, Xiaojun Wang

Theses and Dissertations

In the field of mammalian reproduction, the success rate of fertilization largely relies on spermatozoa fertility potential. Total proteins change to a large degree during gametogenesis to activate gametes. There are some techniques that are most popular for proteomic studies of fertilization, including SDS-PAGE, 2D-DIGE, Western Blotting and Immunocytochemistry, as well as Mass Spectrometry. Proteins and their cofactors play important roles at different stages of gametogenesis, fertilization and embryo development. However, insufficiencies in the construction mode of fertility hinder the techniques in determination the sperm fertility. This study focused on identifying and tracking crucial proteins for fertility based on comparison …

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Seasonal Variation In The Number Of Dogs And Cats Entering Four Animal Shelters In Mississippi And The Characterisitics [I.E. Characteristics] Influencing Their Adoption, Sarah Elizabeth Lefebvre Aug 2010

Seasonal Variation In The Number Of Dogs And Cats Entering Four Animal Shelters In Mississippi And The Characterisitics [I.E. Characteristics] Influencing Their Adoption, Sarah Elizabeth Lefebvre

Theses and Dissertations

The pet overpopulation problem is a multiactorial problem that many organizations such as animal shelters attempt to manage. Many studies have focused on the reasons animals are relinquished by their owners but few have also looked at the characteristics that may influence adoption. Identifying which characteristics that influence adoption may help shelters provide more detailed adoption programs based on their dog and cat profile. Increases in the number of dogs and cats entering animal shelters during the spring and summer month is a perception among shelter staff. Investigating the seasonal trends in the number of animals entering a shelter may …

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Skin From Horses With Hereditary Equine Regional Dermal Asthenia (Herda) Contains Collagen Crosslinking Patterns That Are Associated With Reduced Tensile Strength, Ashley Arwen Hill Aug 2010

Skin From Horses With Hereditary Equine Regional Dermal Asthenia (Herda) Contains Collagen Crosslinking Patterns That Are Associated With Reduced Tensile Strength, Ashley Arwen Hill

Theses and Dissertations

Hereditary equine regional dermal asthenia (HERDA) is a recessive connective tissue disorder of Quarter Horse lineages. This study correlates previously identified decreases in skin tensile strength in HERDA with abnormal dermal collagen cross linking patterns that are also identified in urine from HERDA horses. Dermal collagen from HERDA horses has significantly less pyridinoline and significantly more deoxypyridinoline than control or carriers. Concentrations of hydroxylysine, the rate limiting substrate for these crosslinks were significantly lower in HERDA versus control and carriers. These characteristics of HERDA skin parallel humans with a similar syndrome of skin fragility, Ehlers Danlos Syndrome TypeVIA. This is …

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Novel Type Engineered Structural Beams From Pine Lumber, Maisaa Kakeh Aug 2010

Novel Type Engineered Structural Beams From Pine Lumber, Maisaa Kakeh

Theses and Dissertations

The intersection of decreasing resource size and increasing population and its associated demand creates a pressing need to develop products that act as alternatives to solid sawn lumber. Engineered composite lumber is one such alternative. The product described herein utilizes a modified form of sawn lumber as the raw material. The objective of this research was to manufacture, mechanically test, and evaluate a novel type of engineered lumber. Non destructive evaluation of raw materials and finished beams, and final mechanical testing to determine mean strength and stiffness values as per ASTM 5456 were used. The mechanical property data was converted …

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Nutrient Utilization By And Diet Preference Of American White Pelicans When Offered Diets Of Channel Catfish And (Or) Grass Carp, Treena Lee Ferguson Aug 2010

Nutrient Utilization By And Diet Preference Of American White Pelicans When Offered Diets Of Channel Catfish And (Or) Grass Carp, Treena Lee Ferguson

Theses and Dissertations

Twelve pelicans captured in northeast Mississippi were used for a 7 day metabolism trial followed by a 2 day preference trial and a trial to evaluate the effect of consuming plastic tags. In the metabolism trial, pelicans were allotted to one of three treatment diets (4 birds/diet): catfish only, carp only or both (50 % catfish and 50% carp). Pelicans consuming the catfish only diet metabolized less dry matter, organic matter and energy than those consuming only carp or both. Four pelicans were used to determine preference for carp or catfish. Pelicans ate more (P = 0.001) carp (89 % …

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On The Design-Build Of Small Pavilions, Agrippa Spence Kellum Aug 2010

On The Design-Build Of Small Pavilions, Agrippa Spence Kellum

Theses and Dissertations

Design-build is the process whereby a project is constructed by the same entity that designed it. Detailed narratives are provided for the collaborative, integrated designbuild of two small, relatively contemporary pavilions. The first was constructed as part of a design-build workshop taught by Steve Badanes, director of the Neighborhood Design/Build Studio at the University of Washington Department of Architecture and founder of the international architecture firm The Jersey Devil. The second, a multi-use pavilion on the site of a former junkyard, was implemented as a local volunteer community service project using Badanes' method. A third proposal is also described; an …

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Optimization Of An Immunomarking Technique For The Study Of Tarnished Plant Bug Movement Between Corn And Cotton, Ankit Kumar Aug 2010

Optimization Of An Immunomarking Technique For The Study Of Tarnished Plant Bug Movement Between Corn And Cotton, Ankit Kumar

Theses and Dissertations

A key economic pest of cotton in the mid-south is the tarnished plant bug (TPB), Lygus lineolaris (Hemiptera: Miridae). It is believed that early season crops like corn play a major role in building up TPB populations which then move to nearby cotton fields. The objective of this research was to determine the movement dynamics of TPB at the interface of these crops. Our 2009 data indicate TPB movement from corn into cotton occurred when corn was maturing from silk stage to milk. However, tasseling corn is more attractive compared to pre-squaring cotton to TPB. A supporting study evaluated the …

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Paul Auster's Rhizomatic Fictions, Gary Matthew Varner Aug 2010

Paul Auster's Rhizomatic Fictions, Gary Matthew Varner

Theses and Dissertations

This project examines some of the most notable fiction of contemporary American writer Paul Auster through the postmodern lens of Gilles Deleuze and Félix Guattari’s rhizome. Auster’s novels often feature characters that are also writers, characters that resurface in subsequent novels, and characters that bear a resemblance to Paul Auster himself. This thesis uses the philosophy of Deleuze and Guattari to better understand the significance of these puzzling characters. Ultimately, the model of the rhizome reveals a particular connectivity between Auster’s works underpinned by multiplicities, refrains, and a dislocation of origins.

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Prevalence Of Campylobacter Jejuni In Newly Constructed Broiler Houses, Krista Nicole Eberle Aug 2010

Prevalence Of Campylobacter Jejuni In Newly Constructed Broiler Houses, Krista Nicole Eberle

Theses and Dissertations

Campylobacter is the leading cause of bacterial gastroenteritis in the United States. The objective of this study was to investigate the prevalence of Campylobacter in newly constructed broiler houses and compare three microaerophilic gas delivery methods used to culture Campylobacter in the laboratory. Of 2,300 litter, 900 fecal, and 45 water samples, only 5, 6 and 1 of the samples, respectively, were confirmed positive. style='mso-spacerun:yes'> Results indicated litter moisture content was different across day, location and house. An interaction was detected for litter pH between day, location and flock. Temperatures averaged 26.8°C inside and 27.6°C outside. style='mso-spacerun:yes'> No difference in …

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Damage And Failure In The Carotid Artery: A Mechanistic Approach, Lauren Beatty Priddy Aug 2010

Damage And Failure In The Carotid Artery: A Mechanistic Approach, Lauren Beatty Priddy

Theses and Dissertations

Blunt carotid artery injury (BCAI), resulting primarily from automobile accidents, is a major contributor to the high mortality and morbidity rates associated with carotid artery dissection. More work is needed to characterize carotid artery injury mechanisms, quantify stages of damage, and elucidate failure modalities as a result of this type of injury. The present study examines the structure and mechanics of the carotid artery in the circumferential and axial directions by employing uniaxial tensile testing, high speed videography, interruption testing, scanning electron microscopy (SEM), histological analysis, real-time environmental SEM assessment, and atomic force microscopy (AFM). Results are as follows: (i) …

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Depuration As A Method To Reduce Vibrio Vulnificus Populations In Live Crassostrea Virginica Oysters, Oleksandr S. Tokarskyy Aug 2010

Depuration As A Method To Reduce Vibrio Vulnificus Populations In Live Crassostrea Virginica Oysters, Oleksandr S. Tokarskyy

Theses and Dissertations

Vibrio vulnificus is a foodborne bacterial pathogen associated with raw oyster consumption. Shellfish depuration for 48 hours is a dynamic process where coliform bacteria are purged; however, this process is ineffective against V. vulnificus. The current study investigated the use of prolonged two-week depuration on V. vulnificus populations in Gulf Coast oysters. The study evaluated the impact of prolonged depuration on V. vulnificus fatty acid profile change and the ability to survive in simulated gastric fluid. Oyster depuration in seawater (10 or 22oC, 14 days) reduced V. vulnificus counts, but not to non-detectable level, indicating close ecological relationship between the …

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Effects Of Aspirin, Meloxicam, Deracoxib, And Carprofen On Platelet Function In Dogs, Kathleen Brannon Mullins Aug 2010

Effects Of Aspirin, Meloxicam, Deracoxib, And Carprofen On Platelet Function In Dogs, Kathleen Brannon Mullins

Theses and Dissertations

Little research has been published evaluating the effect of non-steroidal antiinflammatory drugs (NSAIDs) on platelet function in dogs. The effects of aspirin and cyclooxygenase-2 (COX-2) selective NSAIDS on platelet function were evaluated. Eight dogs received aspirin 10 mg/kg PO every 12 hours for 10 days, and then were randomly assigned to 4 groups, with each group receiving one of the following PO for 7 days in a crossover study design: carprofen 2.2 mg/kg every 12 hours, carprofen 4.4 mg/kg every 24 hours, meloxicam 0.2 mg/kg every 24 hours first day then 0.1 mg/kg every 24 hours for 6 days, or …

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Effects Of Timber Harvesting On Upland Oak Forests In The Missouri Ozarks, Qi Yao Aug 2010

Effects Of Timber Harvesting On Upland Oak Forests In The Missouri Ozarks, Qi Yao

Theses and Dissertations

Oak decline-induced mortality and failure of oak regeneration have become a concern in upland oak forests in the Missouri Ozarks. This project investigated the effects of timber harvesting on both oak regeneration and mortality of oak residuals following a suite of harvesting treatments in the Missouri Ozarks based on the sixteen-year monitoring data from the Missouri Ozark Forest Ecosystem Project (MOFEP). On dry sites by year 10, clearcutting improved the density of oak reproduction the most, and that intermediate cutting and clearcutting increased the proportion of black oak reproduction with 2% and 3%, respectively in the composition of the forests …

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Understanding Molecular Aspects Of Catfish-Pathogen Interactions, Pradeepkumar Reddy Dumpala Aug 2010

Understanding Molecular Aspects Of Catfish-Pathogen Interactions, Pradeepkumar Reddy Dumpala

Theses and Dissertations

The catfish industry suffers losses primarily due to enteric septicemia of catfish and columnaris disease caused by Edwardsiella ictaluri and Flavobacterium columnare, respectively. Understanding the host-pathogen interactions is vital for prevention and eradication of these diseases. Hence, the overall objective of this study was to analyze whole cell proteomes of these two bacteria, and to determine the changes in E. ictaluri protein expression against in vitro iron-restriction and host serum treatment. High-throughput proteomic analysis of these bacteria was conducted using two-dimensional liquid chromatography followed by electrospray ionization tandem mass spectrometry (2-D LC ESI MS/MS) and two-dimentional gel electrophoresis coupled with …

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Temporal And Spatial Patterns Of Fish Distribution And Diversity In The Noxubee River, Mississippi And Alabama, Michael Thomas Calloway Aug 2010

Temporal And Spatial Patterns Of Fish Distribution And Diversity In The Noxubee River, Mississippi And Alabama, Michael Thomas Calloway

Theses and Dissertations

The Mobile Basin is a prime example of a system that has undergone extensive channel modification with corresponding declines in the distribution and abundance of the native aquatic fauna. However, many of the declining aquatic species of the Mobile basin may persist within unmodified subbasins. The Noxubee River is a subbasin of the Mobile basin that has had very little alteration throughout its watershed. I investigated the species richness and assemblage structure to determine if the contemporary fish assemblage attributes resembled the conditions represented by historic collections. The findings of this study are important because the Noxubee River has not …

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The Conceptual Ecology And Management Of Parrotfeather [Myriophyllum Aquaticum (Vell.) Verdc., Ryan Michael Wersal Aug 2010

The Conceptual Ecology And Management Of Parrotfeather [Myriophyllum Aquaticum (Vell.) Verdc., Ryan Michael Wersal

Theses and Dissertations

Parrotfeather [Myriophyllum aquaticum (Vellozo) Verdecourt] is a non-native aquatic plant from South America that was introduced into the United States in the 1890's. Research was conducted to elucidate seasonal life history, starch allocation patterns, and key environmental factors that may affect plant growth. Environmental factors identified in field studies were used to develop a conceptual model to display relationships between growth and environmental factors. The conceptual model served as a broad-based hypothesis to parameterize growth limiting factors as it related to M. aquaticum growth. Mesocosm experiments were then conducted to test relationships depicted in the model and define the growth …

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In Vivo Comparison Of Edwardsiella Ictaluri Survival In Kidneys Of Vaccinated And Naïve Rag1-/- Zebrafish, Casey Janine Varner Aug 2010

In Vivo Comparison Of Edwardsiella Ictaluri Survival In Kidneys Of Vaccinated And Naïve Rag1-/- Zebrafish, Casey Janine Varner

Theses and Dissertations

This study used rag1-/- mutant zebrafish, which lack functional T and B lymphocytes, to investigate whether innate immune cells from vaccinated mutant zebrafish demonstrate enhanced survival compared to phagocytes from naïve mutant fish. Edwardsiella ictaluri, an economically significant aquatic pathogen and the causative agent of enteric septicemia of catfish (ESC), was used for the trials. Quantification of live bacteria from sampled kidneys was accomplished via colony counts, luminescence readings, and differential DNA extractions using Ethidium Monoazide (EMA) and Propidium Monoazide (PMA) followed by qPCR. There was a general trend of less bacteria in vaccinated mutant fish. Additionally, the mortality in …

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Investigation Of High Rate Mechanical Properties And Damage Evolution In Porcine Liver Tissue, Joseph Chen Aug 2010

Investigation Of High Rate Mechanical Properties And Damage Evolution In Porcine Liver Tissue, Joseph Chen

Theses and Dissertations

Each year, 6.4 million automobile accidents account for approximately 40,000 deaths in the United States. With increasing requirements for automobile safety, computational models capable of simulating organ deformation/ injury during high impact scenarios would be extremely valuable for optimizing safety measures. Accurate experimental data is essential for the accuracy of the models; however, there has been a sparse investigation into high-strain biomechanics which is necessary to address organ/tissue response in high impact scenarios. Damage threshold criterion and damage evolution are other areas that have not been well studied. In vehicular accidents, damage to the liver is the most common cause …

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Management Strategies For Glyphosate-Resistant Italian Ryegrass [Lolium Perenne L. Ssp. Multiflorum (Lam.) Husnot], Robin C. Bond Aug 2010

Management Strategies For Glyphosate-Resistant Italian Ryegrass [Lolium Perenne L. Ssp. Multiflorum (Lam.) Husnot], Robin C. Bond

Theses and Dissertations

Glyphosate-resistant (GR) Italian ryegrass has been documented in many different countries around the world and has now become a major problem in row crop production areas of Mississippi. Field experiments were conducted from 2006 to 2008 in the Mississippi Delta to evaluate various herbicide and tillage treatment programs for its control. style='mso-spacerun:yes'> Highest level of control and reduction of GR Italian ryegrass biomass was observed with mechanically incorporated as well as surface applied residual herbicides in the fall of the year. style='mso-spacerun:yes'> Control of GR Italian ryegrass was 86-95% with surface applications of clomazone at 0.56, 0.84, and 1.12 kg …

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Mode Of Action And Characterization Of A Novel Biological Response Modifier Isolated From Fractionated Caprine Serum, Charles Joseph Matyi Aug 2010

Mode Of Action And Characterization Of A Novel Biological Response Modifier Isolated From Fractionated Caprine Serum, Charles Joseph Matyi

Theses and Dissertations

Immune Cell Potentiating Factor (ICPF) represents a class of biological response modifiers initially only found within active caprine serum fractions. Controlled studies have since demonstrated active ICPF derived from several non-caprine mammalian sources; including equine and human. ICPF is able to increase survivability in murine gram negative induced sepsis (60%) as well as secondary infection and subsequent sepsis in canines infected within canine parvo virus 2 (36%) despite showing no innate antiviral properties. ICPF is able to initiate systemic proteomic changes within several organ systems; including serum, liver, brain, lung, and spleen. ICPF initiated an early acute phase response, specifically …

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Fire Ant Response To Management Of Native Grass Field Buffers, Sarah Lucinda Hale Aug 2010

Fire Ant Response To Management Of Native Grass Field Buffers, Sarah Lucinda Hale

Theses and Dissertations

Imported fire ants are invasive and cause injury to people, crops, livestock and wildlife. Disturbance may increase abundance and activity of fire ants. However, native grass field buffers established for grassland birds require periodic disturbance. I experimentally tested if fire ant mound density and foraging activity changed after burning and disking in native grass buffers and examined relationships among fire ants, vegetation, and grassland bird and butterfly metrics in undisturbed buffers. In 2008, disking increased mound density and foraging activity, but burning did not. In 2009, disking had no effect, but effects of disking the previous season persisted. Fire ant …

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Evaluation Of In Vitro Serial Antibiotic Elution From Meropenem-Impregnated Polymethylmethacrylate Beads After Ethylene Oxide Gas And Autoclave Sterilization, Leonardo Alfredo Baez Aug 2010

Evaluation Of In Vitro Serial Antibiotic Elution From Meropenem-Impregnated Polymethylmethacrylate Beads After Ethylene Oxide Gas And Autoclave Sterilization, Leonardo Alfredo Baez

Theses and Dissertations

The objective of this study was to determine elution properties of meropenem and compare the elutions of meropenem impregnated PMMA beads without sterilization (PMMA-Cont) to those sterilized with steam (PMMA-Auto) and ethylene oxide gas (PMMA-EO). Four groups of beads were produced: one group without antibiotic and three groups of meropenem impregnated beads: PMMA-Cont, PMMA-Auto, and PMMA-EO. Antibiotic concentrations in eluent samples were determined using a microbiological assay at different time intervals. The microbiological assay resulted in no zone of inhibition at all time periods for the PMMA-Auto samples and the samples of PMMA without antimicrobial. The meropenem concentration on the …

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Factors Affecting Ammonia Volatilization From Broiler Litter, Dana Mcgee Miles Aug 2010

Factors Affecting Ammonia Volatilization From Broiler Litter, Dana Mcgee Miles

Theses and Dissertations

Loss of ammonia from broiler litter degrades air quality, decreases litter fertilizer value, and can have negative health consequences for birds and their caretakers. Rates of NH3 emission from broiler houses are complicated by interrelated management and environmental factors such as air temperature, humidity, house style, ventilation rate,bird age, litter conditions, litter characteristics, and cleanout schedule. Wide variations inemission rates necessitate further investigation of litter characteristics and abatement techniques. The research was designed to clarify the impact of moisture effects that are critical to emissions for poultry litter, in conjunction with bedding type and temperature. Experiments were conducted on litter …

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Factors Affecting Morphometrics And Epiphyseal Closure Of White-Tailed Deer, Emily Brooke Flinn Aug 2010

Factors Affecting Morphometrics And Epiphyseal Closure Of White-Tailed Deer, Emily Brooke Flinn

Theses and Dissertations

Factors affecting morphometrics and epiphyseal closure are important in understanding regional variation and growth of white-tailed deer (Odocoileus virginianus). I compared body and antler growth from birth to 3 years of age in captive, first-generation, male white-tailed deer from three regions with varying soil quality and deer morphometrics. I also determined gender and age effects on epiphyseal closure timing in captive white-tailed deer. I found regional morphological variation present in first-generation male deer, which may be caused by regional genetic variation or lingering maternal effects. Determining cause of regional morphological variation will require data collection through a second-generation of males …

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A Comparison Of Experiential Learning Activities Available To Juniors And Seniors In Secondary Agriscience Education And Science Education Courses, Brittany Leigh Beasley Aug 2010

A Comparison Of Experiential Learning Activities Available To Juniors And Seniors In Secondary Agriscience Education And Science Education Courses, Brittany Leigh Beasley

Theses and Dissertations

The purpose of this study was to determine if secondary agricultural education courses provide students with more experiential learning opportunities than other science-based courses in the high school curriculum. An ex post facto research design was employed for the study. A researcher created instrument was distributed to a sample of Alabama agriscience teachers (23), science teachers (35), and agriscience students (909). Based on the responses of 8 agriscience teachers, 12 science teachers, and 103 students, there was a statistically significant difference in the percentage of class time students spent participating in experiential learning activities. Teachers and students indicated that agriscience …

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Academic Writing And Publishing In A Digital Age, Shalin Hai-Jew Aug 2010

Academic Writing And Publishing In A Digital Age, Shalin Hai-Jew

SIDLIT Conference

This overview will address the state of academic publishing related to issues of information technologies and e-learning. The presenter will review the conventions and ethics of academic writing; highlight the relevant laws; describe information gathering and research; describe academic publisher processes, and explain the digital imagery and multimedia requirements for both online and print publications. Participants are asked to bring their research, writing, and publishing ambitions, and a memory device or laptop to record their ideas for this interactive presentation.

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Avatar! (Presented In 3d!), Julie Rorabaugh Aug 2010

Avatar! (Presented In 3d!), Julie Rorabaugh

SIDLIT Conference

Learn how to make a “Virtual" YOU! During this session, you will create one or more “avatars” (a graphical image that represents a person, as on the Internet) that you can use to represent your persona in a Learning Management System or a social networking site. No funny glasses needed, but bring your imagination. (Note: the presenter is three-dimensional, hence the title!)

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We Want It All (For Free)!, Jonathan Bacon Aug 2010

We Want It All (For Free)!, Jonathan Bacon

SIDLIT Conference

Budgets are tight, no one can afford to buy what you can get free. As educators, we want the best, most innovative tools but we want it all for free! This session is an exporation of Rich Internet Applications (Web 2.0/RIA) tools that are free (or low cost) and enable you to store research notes, store and edit images, set-up social networks and more. Bring your favorite tool to share during the concluding 15 minutes of the session.

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