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Letter From The Dean, Michael Vayda Jan 2010

Letter From The Dean, Michael Vayda

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Instructions For Authors, Discovery Editors Jan 2010

Instructions For Authors, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Evaluation Of Fish And Macroinvertebrate Indices Of Biotic Integrity In The Bioassessment Of The Illinois River Basin, Rebekah Hotz Jan 2010

Evaluation Of Fish And Macroinvertebrate Indices Of Biotic Integrity In The Bioassessment Of The Illinois River Basin, Rebekah Hotz

Inquiry: The University of Arkansas Undergraduate Research Journal

Evaluating performances of the fish and invertebrate Indices of Biotic Integrity (IBIs) for a region is important to maintain rigorous assessment of the environmental quality of streams, especially with increasing urbanization. Timing of the assessment is considered important, with the critical season (low flow, high temperature) preferred, but the primary season (spring– summer) may be as efficient. I assisted with the collection and analysis of fish and macroinvertebrates using methods developed by the United States Environmental Protection Agency’s (USEPA) Rapid Bioassessment Protocols (RBPs) and the Arkansas Department of Environmental Quality (ADEQ), along with obtaining habitat and chemical assessments during primary …


Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 11 2010, Several Authors Jan 2010

Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 11 2010, Several Authors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Concert Recording 2010-02-02, Richard Rulli, Charles Rigsby, Karol Rulli, Sarah Houk, Babbette Allen, Amy Goodnow, Nophachai Cholthitchanta, Richard Bobo, Gerald Sloan, Chalon L. Ragsdale, Er-Gene Kahng, James Greeson, Amy Herzberg, Robert Ford, Timothy Thompson, Robert Mueller, University Of Arkansas, Fayetteville. Encore String Quartet Jan 2010

Concert Recording 2010-02-02, Richard Rulli, Charles Rigsby, Karol Rulli, Sarah Houk, Babbette Allen, Amy Goodnow, Nophachai Cholthitchanta, Richard Bobo, Gerald Sloan, Chalon L. Ragsdale, Er-Gene Kahng, James Greeson, Amy Herzberg, Robert Ford, Timothy Thompson, Robert Mueller, University Of Arkansas, Fayetteville. Encore String Quartet

Concert Recordings & Programs

Windows after Marc Chagall (1976). Blue window ; Green window ; Red window ; Golden window / Peter Eben -- Quintet for trumpet and strings (1990) / Eric Ewazen -- A soldier's tale (1918) / Igor Stravinsky


Effect Of A Direct-Fed Microbial (Eubios 1090) In The Presence Of Antibiotics (Carbadox Or Ctc-Denagard) On Post-Weaning Pig Growth Performance And Immune Response, Kimberley Santos, Charles Maxwell, Elizabeth Kegley, Charles Rosenkrans Jan 2010

Effect Of A Direct-Fed Microbial (Eubios 1090) In The Presence Of Antibiotics (Carbadox Or Ctc-Denagard) On Post-Weaning Pig Growth Performance And Immune Response, Kimberley Santos, Charles Maxwell, Elizabeth Kegley, Charles Rosenkrans

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

A study was conducted to determine the effects of a probiotic (Eubios 1090), in the presence of two different antibiotics, on performance in nursery pigs. A total of 216 pigs were weaned at an average of 21 d, blocked by initial body weight (BW = 6.79 kg), and distributed into 32 pens of 6 to 7 pigs per pen in an offsite nursery facility. Pens were randomly assigned to 1 of 4 dietary treatments (8 pens per treatment) that were fed throughout post-weaning phase 1 (day (D) 0 to 10), phase 2 (D 10 to 20), and phase 3 (D …


Effects Of Diesel And Biodiesel Blends On Engine Performance And Efficiency, Christopher Hunt, Donald Johnson, Don Edgar Jan 2010

Effects Of Diesel And Biodiesel Blends On Engine Performance And Efficiency, Christopher Hunt, Donald Johnson, Don Edgar

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Tests were conducted during the summer of 2009 on a John Deere 3203 diesel tractor to determine differences in specific fuel consumption (sfc), power take-off (PTO) torque (Nm), and PTO power (kW), between ultralow sulfur No. 2 Diesel (D2), 20% biodiesel (B20), 50% biodiesel (B50), and100% biodiesel (B100). Four 1-hr tests were conducted with D2, while three 1-hr tests were conducted with B20, B50, and B100. The results indicated that there was no significant (p < 0.05) difference between D2 and B20 for power or torque. Fueling with B50 resulted in significantly lower power and torque than fueling with D2 or B20, but significantly higher power and torque than fueling with B100. There were significant differences between each fuel in sfc; as the biodiesel blend increased, sfc also increased. Based on these data, B20 appears to be the optimal biodiesel blend for this and similar compact utility tractors since fueling with B20 resulted in no significant loss in power or torque (compared to D2) and only a slight increase in fuel consumption.


Assessment Of Total Organic Carbon Concentrations In Two Streams Of Northwest Arkansas: Town Branch And Brush Creek, Abigail N. Washispack, Jason A. Mcginnis, Brian E. Haggard Jan 2010

Assessment Of Total Organic Carbon Concentrations In Two Streams Of Northwest Arkansas: Town Branch And Brush Creek, Abigail N. Washispack, Jason A. Mcginnis, Brian E. Haggard

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Within a stream, changes in flow rate and local environment can affect the total organic content (TOC) concentrations in the stream water and TOC delivery downstream to water supply reservoirs. Disinfection by-products (DBPs) result from various chemical reactions between chlorine, bromine, and organic carbon in raw water during the drinking water treatment process; DBPs are potential carcinogens and are regulated by the U.S. Environmental Protection Agency. In this project, we measured the TOC concentrations in two streams in the Beaver Lake Watershed: Town Branch and Brush Creek. We then compared TOC concentrations between the two streams and to that observed …


Effectiveness Of Weight Control Through Weight Watch Programs, V. A. Black, P. Boumtje Jan 2010

Effectiveness Of Weight Control Through Weight Watch Programs, V. A. Black, P. Boumtje

Journal of the Arkansas Academy of Science

Linear probability estimation and survey data are employed to quantify the influence of the lifestyles of individuals on the change in their body mass index (BMI). The analysis also explores the effects of demographic characteristics (age, gender, and ethnicity) in weight management. Results suggest evidence of association between changes in lifestyle and changes in the BMI of individuals.


Distribution Of The Southeastern Shrew (Sorex Longirostris Longirostris) In Arkansas, G. A. Mikel, Gary A. Heidt, David W. Clark Jan 2010

Distribution Of The Southeastern Shrew (Sorex Longirostris Longirostris) In Arkansas, G. A. Mikel, Gary A. Heidt, David W. Clark

Journal of the Arkansas Academy of Science

The southeastern shrew (Sorex longirostris longirostris) is considered uncommon and, due to a lack of knowledge, a Species of Greatest Conservation Need in Arkansas. Also, eastern Arkansas may represent a gap in the species’ distribution. Therefore, we evaluated persistence at previous capture sites, surveyed additional counties, quantified microhabitat at our capture locations, and compiled occurrences. Since Sealander and Heidt’s (1990) Arkansas Mammals detailed its occurrence, additional captures by Huston and Nelson (1994), Showen (2006), and this study document new counties (Pope and Searcy) and a new ecoregion (Arkansas Valley). Number of specimens in Arkansas has increased to 17 in 11 …


Seasonal Activity Of The Ozark Highlands Leech, Macrobdella Diplotertia, (Annelida: Hirudinea) In North-Central Arkansas, M. Connior, Stanley E. Trauth Jan 2010

Seasonal Activity Of The Ozark Highlands Leech, Macrobdella Diplotertia, (Annelida: Hirudinea) In North-Central Arkansas, M. Connior, Stanley E. Trauth

Journal of the Arkansas Academy of Science

The Ozark Highlands Leech, Macrobdella diplotertia, occurs intermittently throughout Arkansas, Kansas, and Missouri. Limited natural history of this species is known. Herein, we report a new county occurrence for this leech from a cattle pond in southern Marion County, Arkansas. We also report on the seasonal activity and novel hosts of this species. We surveyed the inhabited pond monthly to determine activity and collected natural history data on this species. This study indicated that this species appears to be most active in spring, summer, and early fall, but inactive during the winter. We also documented five new anuran hosts for …


New Records And Notes On The Natural History Of Selected Vertebrates From Southern Arkansas, C. Renn Tumlison, Henry W. Robison Jan 2010

New Records And Notes On The Natural History Of Selected Vertebrates From Southern Arkansas, C. Renn Tumlison, Henry W. Robison

Journal of the Arkansas Academy of Science

No abstract provided.


Books And Letters Vol. 24, No. 2, University Libraries, Molly Boyd, Anne Marie Candido, Tom W. Dillard, Juana R. Young, Diane Worrell, Russell Cothren Jan 2010

Books And Letters Vol. 24, No. 2, University Libraries, Molly Boyd, Anne Marie Candido, Tom W. Dillard, Juana R. Young, Diane Worrell, Russell Cothren

Books and Letters

Archives Month Celebrated; First Annual Faculty Tenure & Promotion Reception; Arizona Library Dean Discusses Trends for the Future; New Magazine to be Launched by Special Collections; Art Exhibits Celebrate Diversity ... and Fun; Mobile Catalog: Libraries in Your Pocket; Library Guides Tailor-Made to Classes; A Note of Thanks!


Industry Professionals’ Perceptions Of Crisis Communications Educational Needs For New Professionals And Best Practices For Second Life© Simulations, Kristin M. Pennington, Leslie D. Edgar Jan 2010

Industry Professionals’ Perceptions Of Crisis Communications Educational Needs For New Professionals And Best Practices For Second Life© Simulations, Kristin M. Pennington, Leslie D. Edgar

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Crises impacting agriculture cost the nation billions of dollars in expenses and lost revenues annually. Organizations and governmental agencies continue to refocus energies on improving crisis communication plans in an effort to lessen economic impacts of unanticipated events. This study brought together an advisory team of agricultural communications professionals to gather perceptions of crisis communications educational needs for new professionals and to identify the best practices for using Second Life© (SL), a 3-D virtual world, simulations for training. Advisory team members represented the human, crop, animal, and environmental sectors of the agricultural industry. Perceptions were gathered during a roundtable, open-ended …


Studies Into Cytauxzoon And Helminth Infections Of Bobcats (Lynx Rufus) Of Northwest Arkansas, Emily Hickman, David Kreider, Chris Tucker, Jana Reynolds, Jeremy Powell, Tom Yazwinski Jan 2010

Studies Into Cytauxzoon And Helminth Infections Of Bobcats (Lynx Rufus) Of Northwest Arkansas, Emily Hickman, David Kreider, Chris Tucker, Jana Reynolds, Jeremy Powell, Tom Yazwinski

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

The purpose of this study was to determine the prevalence of Cytauxzoon felis and gastrointestinal helminth infections in bobcats (Lynx rufus) of Northwest Arkansas, an area known to have numerous cases of cytaux in domestic cats. Sixty bobcat carcasses were collected from trappers located in Mulberry and Decatur, Arkansas. Blood samples from the hearts were used to isolate Cytauxzoon DNA. Next, a polymerase chain reaction ( PCR) procedure coupled with gel-electrophoresis assay for the 18s region of extracted DNA were used to determine the presence of the protozoan in the bobcats at the time of harvest. Out of the 60 …


Arkansas Water Resources Center Annual Technical Report, 2009, Arkansas Water Resources Center Dec 2009

Arkansas Water Resources Center Annual Technical Report, 2009, Arkansas Water Resources Center

Arkansas Water Resources Center Annual Report

No abstract provided.


Avian Advice, Winter 2009, Dale Bumpers College Of Agricultural, Food, And Life Sciences (University Of Arkansas, Fayetteville). Center Of Excellence For Poultry Science, University Of Arkansas (System). Cooperative Extension Service Dec 2009

Avian Advice, Winter 2009, Dale Bumpers College Of Agricultural, Food, And Life Sciences (University Of Arkansas, Fayetteville). Center Of Excellence For Poultry Science, University Of Arkansas (System). Cooperative Extension Service

Avian Advice

No abstract provided.


Go! Green Outreach, Winter 2009, University Of Arkansas, Fayetteville. Division Of University Advancement Dec 2009

Go! Green Outreach, Winter 2009, University Of Arkansas, Fayetteville. Division Of University Advancement

Go! Green Outreach

"Sharing sustainability news, efforts, and ideas with the people of campus" --cover image


Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2007 And Revised Estimates For 2006, Nathan Kemper, Jennie Popp, Wayne Miller Dec 2009

Economic Contribution Of The Agricultural Sector To The Arkansas Economy In 2007 And Revised Estimates For 2006, Nathan Kemper, Jennie Popp, Wayne Miller

AAES Research Reports and Research Bulletins

This report is the fourth in a series of reports examining agriculture’s economic contribution on the Arkansas economy. Utilizing data from the United States Bureau of Economic Analysis, USDA Economics Research Service, USDA National Agricultural Statistics Service, and Minnesota IMPLAN Group, Inc., the economic contribution of agriculture on the Arkansas economy was estimated for the most recent year available, 2007. Gross Domestic Product (GDP) by State information for Arkansas was compared with those of other states in the southeast U.S. to give a measure of the relative importance of agriculture in Arkansas. The total economic contribution of agriculture (direct, indirect, …


The Role Of Multiple Ccaat-Binding Factors In Candida Albicans Gene Expression, Lashall Lynn Bates Dec 2009

The Role Of Multiple Ccaat-Binding Factors In Candida Albicans Gene Expression, Lashall Lynn Bates

Graduate Theses and Dissertations

The CCAAT-binding factor is a heterooligomeric transcription factor that is evolutionarily conserved in eukaryotes. In yeast, the DNA-binding component that interacts with the CCAAT consensus sequence in promoters consists of the subunits termed Hap2p, Hap3p and Hap5p. In yeast and fungi, a fourth subunit, Hap4p, is required for regulating gene expression. The goal of this research is to understand the function of the Candida albicans CCAAT-binding factor and how it relates to virulence and pathogenicity. C. albicans is a human opportunistic pathogen responsible for a variety of mucosal and systemic infections that result in significant morbidity and mortality, particularly in …


Labeling Of Credence Attributes In Livestock Production: Verifying Attributes Which Are More Than "Meet The Eye", Nicole J. Olynk, Christopher A. Wolf, Glynn T. Tonsor Dec 2009

Labeling Of Credence Attributes In Livestock Production: Verifying Attributes Which Are More Than "Meet The Eye", Nicole J. Olynk, Christopher A. Wolf, Glynn T. Tonsor

Journal of Food Law & Policy

Americans are increasingly sensitive to the conditions under which the foods they purchase and consume are produced. It is becoming commonplace for consumers to incorporate perceived environmental impacts, animal welfare concerns, and other process attributes into food purchase decisions. Increased interest in production practices and technologies employed in food production has been seen in the U.S. specifically concerning irradiation, antibiotics, and hormone and pesticide use. Perhaps one of the most controversial technologies employed in food production today is the use of genetic engineering. Not surprisingly, consumers are particularly sensitive about practices employed or technologies used in foods produced specifically for …


Canadian Food Law Update, Patricia L. Farnese Dec 2009

Canadian Food Law Update, Patricia L. Farnese

Journal of Food Law & Policy

Provided below is an overview of developments in Canadian food law and policy in 2009. This update primarily analyzes the regulatory and policy developments and litigation activities by the federal government. This focus reflects the significance of federal activities in the food policy realm. In 2009, regulatory and policy developments continue to be dominated by the 2008 Listeriosis outbreak in ready-to-eat, deli meats. Other noted activities include Canada's ongoing efforts to minimize the effects of infectious diseases related to meat production, Canada's request for a WTO panel to consider the effects of American Country of Origin Labelling, and an initiative …


United States Food Law Update: Food Allergy Labels, Reaching Organic Equivalence, Misbranding Litigation And Regulatory Takings, A. Bryan Endres, Michaela N. Tarr Dec 2009

United States Food Law Update: Food Allergy Labels, Reaching Organic Equivalence, Misbranding Litigation And Regulatory Takings, A. Bryan Endres, Michaela N. Tarr

Journal of Food Law & Policy

The start of 2009 found the nation transitioning to a new presidential administration, speculating on the impact new appointees to the executive branch may have on regulatory priorities and monitoring a bill' making its way through Congress that seeks a substantial overhaul of the food regulatory system. This version of the Food Law Update will analyze two major developments in food allergy labeling: finalization of rules requiring the labeling of Cochineal extract/ carmine and an analysis of the proposed "gluten-free" product labels. The update next discusses the execution of an equivalency agreement between the United States and Canada with respect …


Characterization And Functional Regulation Of Bioactive Peptides In Avian Macrophages And Heterophils, Lakshmi Kannan Dec 2009

Characterization And Functional Regulation Of Bioactive Peptides In Avian Macrophages And Heterophils, Lakshmi Kannan

Graduate Theses and Dissertations

Oligopeptides and low molecular weight polypeptides play central roles as effectors and signal transducers acting as hormones, neurotransmitters, growth factors, toxins, and antimicrobial factors that are important for the survival of the organism. Owing to the ubiquitous involvement of peptides in many key regulatory processes, we have been interested to identify native peptides in different cells and tissues and understand their functions. To conduct our studies, we used avian macrophages and heterophils as models of specialized cells which constitute central components of innate immunity. These studies involved (a) qualitative identification and characterization of the peptides associated with high intensity mass …


Evaluation Of Best Management Practices To Reduce Nutrients Runoff In Watersheds In Arkansas, Hector German Rodriguez Diaz Dec 2009

Evaluation Of Best Management Practices To Reduce Nutrients Runoff In Watersheds In Arkansas, Hector German Rodriguez Diaz

Graduate Theses and Dissertations

There are many non point sources (NPS) of pollution issues across the state of Arkansas. Each region of the state has different concerns. Many watersheds have been included in the Arkansas's 2008 303(d) list for NPS impairments with sediment and nutrients being the primary causes of concern. This research hypothesized that there are no cost or net returns risks when adopting best management practices (BMPs) to control nutrients runoff and that selection, timing, placement and cost have no impact on the implementation of BMPs. Using two priority watersheds, the L'Anguille River and the Lincoln Lake, as examples, the environmental benefits …


Applications Of Variable Number Tandem Repeat Genotyping In The Validation Of An Animal Medical Model And Gene Flow Studies In Threatened Populations Of Reptiles, Candace D. Smith Dec 2009

Applications Of Variable Number Tandem Repeat Genotyping In The Validation Of An Animal Medical Model And Gene Flow Studies In Threatened Populations Of Reptiles, Candace D. Smith

Graduate Theses and Dissertations

We used variable number tandem repeats (VNTR) to validate the chicken as a human medical model for Pulmonary Arterial Hypertension. We identified seven regions on four chromosomes and interrogated for VNTR markers that significantly associate with Pulmonary Hypertension Syndrome/ascites. In those regions, we identified 7 candidate genes; AGTR1, ACE, p38MAPK, SST, 5HT2B, NET1, and CALM3 for further analysis as significantly contributing QTL for ascites/PHS. We also used variable number tandem repeats to measure gene flow and gather evidence for multiple paternity in a population of Timber rattlesnakes, Crotalus horridus. We were able to verify 1 VNTR that can be used …


European Union Food Law Update, Emilie H. Leibovitch Dec 2009

European Union Food Law Update, Emilie H. Leibovitch

Journal of Food Law & Policy

In June 2009, citizens of the European Union elected a new European Parliament. Some Members of the European Parliament (MEPs) were reelected while some were not. The majority party is the EPP, the Group of the European People's Party, and the Group of the Progressive Alliance of Socialists & Democrats has the second majority of the seats. The elections were still governed by the Treaty of Nice, since up until very recently, the future of the Treaty of Lisbon was still uncertain. The Treaty of Lisbon was up until now rejected by a few Member States, who, by their reluctance …


Annual Financial Report, 2008-2009, University Of Arkansas, Fayetteville Nov 2009

Annual Financial Report, 2008-2009, University Of Arkansas, Fayetteville

Annual Financial Report

No abstract provided.


White River Forum Ii: Second Annual Meeting Of The White River Forum, John Havel, Kenneth Steele Nov 2009

White River Forum Ii: Second Annual Meeting Of The White River Forum, John Havel, Kenneth Steele

Arkansas Water Resources Center Technical Reports

This second annual meeting of the White River Forum is proof of widespread interest in the water quality of the Upper White River watershed. The participation of numerous elected officials, state and federal agencies, universities, businesses, and local citizens indicates that interest in understanding policy issues crosses political boundaries and occupations.


Partners, November 2009, Dale Bumpers College Of Agricultural, Food, And Life Sciences (University Of Arkansas, Fayetteville). Center Of Excellence For Poultry Science Nov 2009

Partners, November 2009, Dale Bumpers College Of Agricultural, Food, And Life Sciences (University Of Arkansas, Fayetteville). Center Of Excellence For Poultry Science

Partners

No abstract provided.