Digital Commons Network^™

Biofuel Feedstocks: The Risk Of Future Invasions, Joseph M. Ditomaso, Jacob N. Barney, Allison M. Fox

All U.S. Government Documents (Utah Regional Depository)

In an effort to decrease greenhouse gas emissions, expand domestic energy production, and maintain economic growth, public and private investments are being used to pursue dedicated feedstock crops for biofuel production. Unlike food crops grown for grain-based ethanol (e.g., corn), which require high inputs of fertilizers and pesticides and typically are grown on prime agricultural land, proposed lignocellulose-based energy crops (e.g., switchgrass) typically have a neutral or negative carbon budget, require relatively few economic or environmental inputs, and can be cultivated on marginal, lower-productivity land. Thus, a rapidly growing industry related to crop selection, cultivar improvement, and conversion technilogies is …

Curriculum Subcommittee Minutes, October 4, 2007, Utah State University

Educational Policies Committee

Department of Nutrition and Food Sciences

• New Course
• Delete Course

Department of Plants, Soils, and Climate

• Credit Hour Change

College of Business

• New Course

Department of Communicative Disorders and Deaf Education

• New Course
• Course Description Change
• Title Change, Course Description Change
• Title Change, Credit Hour Change, Course Description Change
• Title Change, Credit Hour Change, Course Description Change, Add Repeatable for Credit

Department of Family, Consumer, and Human Development

• Title Change, Course Description Change

Department of Health, Physical Education and Recreation

• New Course
• Title Change, Prerequisite Change
• Prerequisite Change
• Delete Course

Department of Instructional Technology

• New Course

Department of Secondary Education …

The Effects Of Mechanical Disking On Shrub Steppe Ecosystems And Greater Sage Grouse Use In Pine Valley, Utah 2007 Annual Report, Rhett L. Boswell, Nicole S. Frey

All Current Publications

No abstract provided.

Curriculum Subcommittee Minutes, September 6, 2007, Utah State University

Educational Policies Committee

Overview of Curriculum Subcommittee

Completing the Semester Course Approval Form

Agricultural Systems Technology and Education

• Title Change, Course Description Change
• Title Change
• Delete Course

Department of Nutrition and Food Sciences

• New Course

College of Business

• New Course

School of Accountancy

• New Course

Management Information Systems

• Title Change, Course Description Change
• Prerequisite Change

Department of Special Education and Rehabilitation

• Credit Hour Change

Department of Biological and Irrigation Engineering

• New Course
• Credit Hour Change

Department of Civil and Environmental Engineering

• Prerequisite Change

Department of Electrical and Computer Engineering

• Prerequisite Change

Department of Mechanical and Aerospace Engineering

• New Course
• Title Change, Prerequisite Change …

Insights, Summer, 2007, Utah State University

Discovery Magazine

Bi-annual alumni newsletter for the College of Science of Utah State University in Logan.

Hay Quality Sensory Evaluation Guidelines, T. C. Griggs, S. C. Franson, M. G. Bohle

All Current Publications

Grass, legume, and mixed hays contribute to natural resource conservation, diversity in crop rotations, livestock health and performance, and economic returns from sustainable agriculture.

Corn Silage Performance, 2006; Cache County, Utah, T. C. Griggs, C. E. Israelsen

All Current Publications

This report summarizes on-farm performance of irrigated silage corn hybrids at Benson (Cache County) in 2006. The site is at 4439 ft elevation and has a long-term average of 2800 corn growing degree days (50/86° F) per year. Hybrids were seeded with a six-row planter on May 10 at approximately 35,000 seeds/ac into Kidman fine sandy loam. Plots were six rows wide at 30-in row spacing by 1070 ft long in three randomized complete blocks.

Welcome To Weber County 4-H, New 4-H Club Member Welcome Packet, Donna Carter

All Current Publications

This packet serves as Weber County's welcome packet for new 4-H members.

Educational Policies Committee Program Proposal, College Of Agriculture And Applied Sciences, June 8, 2007 - Consolidation Of Existing Bachelor Of Science Degrees, Utah State University

Educational Policies Committee

Utah State University requests approval to consolidate all BS degrees offered by the Department of Animal, Dairy and Veterinary Sciences into a single degree with the name: Bachelors of Science in Animal, Dairy and Veterinary Sciences, with emphases in (1) Animal & Dairy Science; (2) Bioveterinary Science; (3) Biotechnology, and (4) Equine Science and Management.

Tumbleweed Exploratory Drilling Environmental Assessment, United States Deparment Of The Interior, Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

This Environmental Assessment (EA) has been prepared to analyze Stewart Petroleum Corporation’s (Stewart) proposed exploratory natural gas drilling on their Federal leases within the Tumbleweed Oil and Gas Unit (Tumbleweed Unit). This EA is a site-specific analysis of potential impacts that could result with the implementation of Alternative - the Proposed Action; Alternative B – Buried Pipelines; or Alternative C - the No Action Alternative. The EA assists the Bureau of Land Management (BLM) in project planning and ensuring compliance with the National Environmental Policy Act (NEPA), and in making a determination as to whether any “significant” impacts could result …

Relative Salinity Tolerance Of Intermountain Western United States Native Herbaceous Perennials, Nickolee Zollinger, Richard Koenig, Teresa Cerny-Koenig, Roger Kjelgren

Plants, Soils, and Climate Faculty Publications

The authors investigated salinity tolerance of four intermountain western United States native (Penstemon palmeri, Mirabilis multiflora, Geranium viscosissimum, and Eriogonum jamesii) and four common (Echinacea purpurea, Lavandula angustifolia, Leucanthemum ×superbum ‘Alaska’, and ×Penstemon mexicali ‘Red Rocks’) ornamental herbaceous perennials. Each was irrigated with a solution containing 2 CaCl2 : 1 NaCl (M ratio) at salinity levels of 0 (control), 1000, 3000, and 5000 mg·L−1 during two 8-week experiments. They measured weekly visual quality and gas exchange and final shoot and root dry weights. Mirabilis multiflora, L. ×superbum, and L. angustifolia maintained high visual quality and 100% survival across salinity levels. …

Implications Of Research On Expertise For Curriculum And Pedagogy, David F. Feldon

Instructional Technology and Learning Sciences Faculty Publications

Instruction on problem solving in particular domains typically relies on explanations from experts about their strategies. However, research indicates that such self-reports often are incomplete or inaccurate (e.g., Chao & Salvendy, 1994; Cooke & Breedin, 1994). This article evaluates research on experts’ cognition, the accuracy of experts’ self-reports, and the efficacy of instruction based on experts’ self-reports. Analysis of this evidence indicates that experts’ free recall of strategies introduces errors and omissions into instructional materials that hinder student success. In contrast, when experts engage in structured knowledge elicitation techniques (e.g., cognitive task analysis), the resultant instruction is more effective. Based …

Effects Of Environmental Conditions And Insect Life Stages On Performance Of Entomopathogenic Nematodes For Suppression Of Plum Curculio, Conotrachelus Nenuphar (Coleoptera: Curculionidae), In Northern Utah, Hong Geun Kim

Biology

In a series of field and laboratory experiments, I tested two entomopathogenic nematode species, two nematode concentrations, and three life stages of the economically damaging insect pest, Contrachelus nenuphar, to support the development of a biological control program for this pest in northern Utah. Two entomopathogenic nematodes, Heterorhabditis bacteriophora and Steinernema feltiae, were tested for their virulence. The population of H. bacteriophora tested was collected from soil infested with plum curculio in Brigham City, UT in 2002. The S. feltiae population was obtained from a commercial source. In temperature bioassays, the two nematodes species exhibited different thermal ranges. …

Screening Candidate Fungicides For Control Of Chalkbrood Disease In Alfalfa Leafcutting Bees, Megachile Rotundata (F.) (Hymenoptera: Megachilidae), Craig Huntzinger

Biology

Pollination of alfalfa seed crops is done primarily by managed populations of the alfalfa leafcutting bee, Megachile rotundata (F.). One of the biggest problems associated with managing M. rotundata on a commercial scale is a fungal disease called chalkbrood, caused by Ascosphaera aggregata Skou. The disease infects larvae that have consumed pollen and nectar contaminated with fungal spores. The spores germinate in the bee's gut, spreading hyphae throughout the host and killing the bee. Mortality from chalkbrood is regularly 10% to 35% in the northwestern United States, and infection levels in excess of 50% are not uncommon. As a consequence, …

Utah State University Commencement, 2007 – Main Campus, Utah State University

Commencement Programs

117th Annual Commencement of Utah State University

Common Nutritional Deficiencies In The Three Richest Versus The Poorest Countries In The World: Why Are They Similar Or Different?, Ginger Ann Bailey

Undergraduate Honors Capstone Projects

Over one billion people suffer from nutritional deficiencies, and they reside in both the poorest and the richest countries in the world. What needs to be determined is if the deficiencies are similar or different, and most importantly why. By learning what nutritional deficits exist in these countries and why they occur, we are then able to create appropriate interventions in order to improve the nutritional status of populations worldwide.

Does Glutamine Supplementation Contribute To The Incidence Of Diarrhea In Ventaltor Dependent Patients?, Justin Johnson

Undergraduate Honors Capstone Projects

In this project we investigated the incidence of diarrhea and its possible causes in ventilator dependent patients in the intensive care unit (ICU) at McKay-Dee Hospital. Chronic diarrhea has been a long time problem in the ICU, but the etiology has never been fully explored. High dose antibiotic therapy has been thought to be a potential risk factor. Another proposed risk has been the use of glutamine, a conditionally essential amino acid contained in some enteral products. Glutamine is commonly used in feeding critically ill patients because of its immune enhancing properties.

Currently, we have not established a correlation between …

Infant Feeding Practices: History, Nutrient Needs, Assessment Of Nutriture, And Special Concerns, Katy Lynn Bodily

Undergraduate Honors Capstone Projects

Ideas regarding infant feeding practices have changed drastically over the past 100 years. Research discovered the composition of human milk, followed by the invention of human milk substitute (HMS). These discoveries lead to many changes in the way people feed infants. The macro and micronutrient needs of infants have been determined, and are used to develop ideal feeding practices for infants. There are many choices available for feeding infants including human milk, HMS, and solid foods. There are many guidelines available that provided suggestions on what to feed an infant, and at what age. Assessing the adequacy on infant feeding …

Malnutrition In The Elderly In Long-Term Care Facilities, Cindy L. Pitcher

Undergraduate Honors Capstone Projects

In 2000, there were 17,000 nursing homes in the United States housing about 1.5 million residents over the age of 65. Approximately 75% of long-term residents are women. The average length of stay for residents is 2.5 years, so in essence the nursing home becomes their home. Those who are in these long-term care facilities are generally characterized as frail elderly adults who suffer from a host of chronic and acute diseases and conditions. They are most likely cognitively impaired and have a great number of limitations in their activities of daily living (ADL). In addition, data collected by the …

Celiac Disease: What Dietitians Can Do To Effectively Treat A Growing Problem, Meagan Roxanne Wade

Undergraduate Honors Capstone Projects

The symptomology of celiac disease, also known as gluten-sensitive enteropathy or celiac sprue, was first described in AD 50 by Aretaeus, a noted ancient Greek physician who specialized in isolating and explaining disease states. Clinical manifestations of the disease were distinctly defined by Samuel Gee in 1888 who theorized that diet therapy was likely the treatment for the disease: "the allowance of farinaceous must be small, but if the patient can be cured at all, it must be by means of diet." Farinaceous foods included those rich in starches or mealy in texture. Treatment at the time consisted of a …

Efficacy Of Heart Health Claims Regarding Trans Fat, Unsaturated Fat, And Stanols/Sterols, Elaine Watkins

Undergraduate Honors Capstone Projects

In the United States, nearly 80 million people have some form of cardiovascular disease (CVD). This amounts to one in three adults, making it the number one cause of death each year for over a century. Because of the high prevalence of CVD, it is a priority in the U.S. to decrease its morbidity and mortality. Extensive research has been dedicated to pinpointing risk factors, determining preventive techniques, and developing treatments. A major focus in this research is the role of nutrition in the pathogenesis of CVD. Quality of diet is an important factor in health and disease progression. To …

The Association Between Sleep And Body Mass Index (Bmi) In College Freshmen At Utah State University, Mary-Marie Austin Sullivan

Undergraduate Honors Capstone Projects

Background: Obesity has become a major health problem with increasing prevalence in the United States. Cases of obesity have increased at alarming rates and have almost doubled over the past 40 years. During this same period of time, sleep duration for all age groups has significantly declined. Because sleep duration is a potential mediator of energy metabolism and body weight, it is an important aspect of health. An association between short habitual sleep time and increased body mass index (BMI) has been reported in large population studies for US young adults. Freshmen college students may encounter many environmental and emotional …

Combating Childhood Obesity: Changing Our Environment, Anna Mitchell

All Graduate Plan B and other Reports, Spring 1920 to Spring 2023

A review of literature was conducted to identify risk factors and prevention strategies for childhood obesity. Factors contributing to childhood obesity include poor food choices, physical inactivity, and genetics. Complications of obesity include respiratory, musculoskeletal, cardiovascular, and endocrine diseases, cancer, gallbladder disease, poor health status, depression, low self-esteem, and social withdrawal. Since childhood obesity, largely due to the environment that children live in today, is increasing in the United States, strategies must be implemented that will contribute to the prevention of childhood obesity. Changes that promote a healthy environment must involve all aspects of society to ensure that the prevention …

Use Of Fourier Transform Infrared Spectroscopy For The Classification And Identification Of Bacteria Of Importance To The Food Industry, Sarah Pegram

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The aim of this work was to use Fourier Transform Infrared Spectroscopy to characterize and identify bacteria of particular significance to the food industry. FT-IR spectroscopy is a rapid technique that can be applied to all groups of bacteria. The two objectives were to determine a suitable sampling procedure to record a spectrum and to determine a suitable statistical technique to identify characteristic regions of the spectrum associated with the genus and, potentially, the species. Pure cultures of bacteria were grown in broth, suspended in saline and dried to produce a film on a halide salt crystal. These films were …

The Effect Of Exopolysaccharide-Producing Streptococcus Thermophilus Mr1c On Functionality In High Moisture Cheddar-Type Cheese, Tyler J. Singleton

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Differences in texture at any particular stage of ripening depend upon differences in the basic structure and the extent to which the basic structure is modified by physical parameters. Thus, very young cheeses of the same variety differ in texture because of variations in pH and in salt, moisture, and fat content. How well a cheese melts and shreds depend on its texture and physical parameters. Streptococcus thermophilus MR1C produces an exopolysaccharide (EPS) that is tightly associated with the bacterial cell wall. Addition of S. thermophilus MR1C to the cheese make will increase the moisture of the cheese 2-3% …

Phenotypic And Genotypic Analysis Of Amino Acid Metabolism In Lactobacillus Helveticus Cnrz 32, Jason K. Christiansen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study investigated genetic predictions for amino acid biosynthesis and catabolism by Lactobacillus helveticus CNRZ 32, a commercial cheese flavor adjunct that reduces bitterness and intensifies flavor notes. Conversion of amino acids into volatile and nonvolatile flavor compounds by L. helveticus and other lactic acid bacteria in cheese is thought to represent the rate-limiting step in the development of mature cheese flavor and aroma. One of the primary mechanisms for amino acid breakdown by these microbes involves the reversible action of enzymes involved in biosynthetic pathways, so our group investigated the genetics of amino acid biosynthesis in L. helveticus CNRZ …

Relationship Between Dietary Calcium Intake And Weight Gain Among College Freshmen At Utah State University, Cara A. Moncur

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The present study was conducted with the use of data from the Freshmen Health Study, a longitudinal study of college freshmen aged 18 that examined change in diet, physical activity, and weight during the first year of college at Utah State University (USU). Participants were assessed at different data collection periods including the beginning and end of their first semester attending USU. Participants' height and weight were measured and they were given a self-administered Food Frequency Questionnaire at each data collection. Simple linear and multivariate logistic regression was used to assess how dietary calcium intake related to weight change over …

Development, Evaluation, And Efficacy Of A Heart Healthy Curriculum In Two Different Education Settings; Emphasizing Food Portioning And Cooking Skills, Increased Fruits, Vegetables, Whole Grains, Low-Fat Dairy, And Exercise, Rachel Richins

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Cardiovascular disease (CVD) is a leading cause of mortality and morbidity in the United States. The prevalence of CVD will increase in conjunction with the rise in obesity and type 2 diabetes and decrease in physical activity, due to the adverse effects of adiposity and atherosclerosis associated with these syndromes. Excellent inpatient, outpatient, and community-based program s are available to educate and direct healthy behavioral changes, yet the number of programs available is not sufficient for the volume of patients, nor widely distributed in all areas (particularly rural areas). There is a lack of comprehensive education programs for adults directed …

Control Of Listeria Monocytogenes In Ready-To-Eat Meat Containing Levulinate, Lactate, Or Lactate And Diacetate, Rebecca L. Thompson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Control of the pathogen Listeria monocytogenes in ready-to-eat (RTE) meats is a major concern in the food industry. The objective of this study was to compare the growth of L. monocytogenes on refrigerated RTE meats containing sodium levulinate (4-oxopentanoic acid, a five carbon organic acid with GRAS status), sodium lactate, or a combination of sodium lactate and sodium diacetate. Turkey roll and bologna were prepared to contain (wt/wt) sodium lactate (2%); sodium lactate in combination with sodium diacetate (1.875% sodium lactate, 0.125% sodium diacetate); sodium levulinate (1, 2, or 3%); or no antilisterial additive. Samples were sliced, inoculated with a …

Texture Profile Analysis And Melting In Relation To Proteolysis As Influenced By Aging Temperature And Cultures In Cheddar Cheese, Taylor Rasmussen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Changes in cheese physical properties during aging are related to proteolysis by coagulant type, culture enzymes, and non-starter lactic acid bacteria (NSLAB). Storage temperature also affects aging rate. Cultures are important for flavor development , but less is understood about their role in melting and textural properties.

Our objective was to make Cheddar cheese using different cultures, to age it at 6 and 13°C, and measure physical and proteolytic properties over 12 mo to determine whether changes in texture and melting correlated with the extent of proteolysis that occurred during aging.

Cheese was manufactured using Lactococcus lactis starter culture either …