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Development Of A Bioenergetic Model For Black Carp To Predict Consumption And Growth, Nathaniel Charles Hodgins Aug 2008

Development Of A Bioenergetic Model For Black Carp To Predict Consumption And Growth, Nathaniel Charles Hodgins

Theses and Dissertations

Black carp consume large quantities of mollusks but food consumption and growth rates have not been studied. Consumption and growth of two sizes of fish fed formulated and natural diets at 20, 25, and 30 C under laboratory conditions were measured. Consumption and growth of fish fed formulated feed increased as temperature increased but followed a convex relationship for fish fed a natural diet. Metabolic and fecal production rates were determined for fish at each temperature. This information was used to develop balanced energy budgets for black carp. Bioenergetic simulation models were constructed to predict consumption and growth in natural …


Effects Of Nisin And Buffered Sodium Citrate Supplemented With Sodium Diacetate Against Listeria Monocytogenes On Commercial Beef Frankfurters Formulated Without Antimicrobials Stored At 4 And 10{Deg}C In Vacuum Packages, Shweta Kumari Aug 2008

Effects Of Nisin And Buffered Sodium Citrate Supplemented With Sodium Diacetate Against Listeria Monocytogenes On Commercial Beef Frankfurters Formulated Without Antimicrobials Stored At 4 And 10{Deg}C In Vacuum Packages, Shweta Kumari

Theses and Dissertations

Post process application of antimicrobials is one method to control recontamination of Listeria monocytogenes on cooked RTE meat products. This study evaluated the antilisterial effect of externally applied solutions of nisin, buffered solution of sodium citrate supplemented with sodium diacetate (SCSD) and a combined solution of the two antimicrobials on commercial beef frankfurters formulated without antimicrobials. Autoclaved frankfurters were inoculated (104 -105 CFU/g), dipped (5 min, 25 ± 2°C) in treatments consisting of 2000; 4000;or 6000 IU/ml nisin, and buffered solutions of 2.5; 3.0; or 3.5% SCSD (Study I), and 6000 IU/ml nisin followed by 3.5% SCSD, or 3.5% SCSD …


Evaluation Of Automated, Manual And Constant Aeration Practices In Managing Of Dissolved Oxygen For Channel Catfish Farming In Earthen Ponds, Shelby E. Fortune Aug 2008

Evaluation Of Automated, Manual And Constant Aeration Practices In Managing Of Dissolved Oxygen For Channel Catfish Farming In Earthen Ponds, Shelby E. Fortune

Theses and Dissertations

Maintaining dissolved oxygen concentrations under different operating schemes (constant, manual or automated aeration control) was evaluated in 20 earthen catfish ponds ranging from 0.04 to 0.07 hectares in size. Ponds were assigned to treatments based on achieving equal distribution of biomass among treatments. Catfish weighing approximately 0.11 kg each were stocked at a rate of 14,820 catfish/hectare and were fed, to satiation, a 36% crude protein floating feed for the first week and switched to a 32% crude protein floating feed for the remainder of the study. Percentage weight gain, FCR and survival were calculated but did not differ among …


Physiological Impact Of Hematocrit Level During Stress In Broilers, Lindsay Hale Mcwilliams Aug 2008

Physiological Impact Of Hematocrit Level During Stress In Broilers, Lindsay Hale Mcwilliams

Theses and Dissertations

Initial experiments evaluated the impact of hematocrit on a bird’s ability to adapt to stress and what physiological mechanisms occurred to maintain oxygen carrying capacity (OCC). A final experiment was conducted to obtain proteomic evaluation of protein expression in monocytes of unstressed broilers. In initial experiments, ACTH treatment was applied to hematocrit separated broilers. Experiments evaluated effects of ACTH on broilers with low (19 to 22%, Experiment 1; 18-21%, Experiment 3), high (25 to 28%, Experiment 1; 24 to 27%, Experiment 3) or non-selected hematocrit levels (Experiment 2 and 3). After 4 d of ACTH, all treated birds had significantly …


Potentiation Of Microglial Toll-Like Receptor Stimulated Inflammatory Cytokine Output By Manganese: A Role For P38 Mitogen-Activated Protein Kinase, Patrick L. Crittenden Aug 2008

Potentiation Of Microglial Toll-Like Receptor Stimulated Inflammatory Cytokine Output By Manganese: A Role For P38 Mitogen-Activated Protein Kinase, Patrick L. Crittenden

Theses and Dissertations

Manganese (Mn) neurotoxicity has been recognized for a long time and it affects primarily the basal ganglia. However, only recently has inflammation, which is known to play an important role in neuropathology, been considered as part of its toxic mechanism. In the current study, we have shown that Mn-potentiation of inflammatory cytokines ( IL-6 and TNF-á) in microglia is not dependent on the activaton of the Toll-like receptor (TLR)-4 signaling pathway by lipolysaccharide (LPS), as potentiation by Mn is observed in microglia activated with agonists for other TLR, such as TLR2, TLR3, and TLR9. Furthermore, enhancement of inflammatory cytokine production …


Steam, Dielectric Heating And Copper Sulfate Treatment Of Inshell Pecans, Mandar Ranchhod Patel Aug 2008

Steam, Dielectric Heating And Copper Sulfate Treatment Of Inshell Pecans, Mandar Ranchhod Patel

Theses and Dissertations

Water and a copper sulfate (CSL) solution at 27, 57 and 88°C; steam pasteurization and dielectric heating were analyzed on their effect in reducing microbial load (APC) and Salmonella Typhimurium on inshell pecans (Carya illinoinensis). The CSL solution (more effective than water alone) reduced APC by 1.5 (300 s), 2 (60 s) and 4.0 (60 s) log CFU/g at 27, 57 and 88°C, respectively; and Salmonella by 3.0 log at 27°C in 60 s. Steam reduced APC by 3.7 log in 180 s and Salmonella by 4.0 log CFU/g in 30 s. Dielectric treatment reduced APC by 3.0 log and …


The Dynamics Of Trematode Infected And Uninfected Planorbella Trivolvis In Commercial Catfish Ponds, Barbara Ann George Aug 2008

The Dynamics Of Trematode Infected And Uninfected Planorbella Trivolvis In Commercial Catfish Ponds, Barbara Ann George

Theses and Dissertations

Planorbella trivolvis, a snail routinely found in catfish ponds, is an intermediate host in the life cycle of Bolbophorus damnificus, a digenetic trematode responsible for mortalities in catfish. This research generated information on the life cycle and the population dynamics of P. trivolvis in catfish ponds which could be implemented to control P. trivolvis. Research indicated that: P trivolvis is present year-round; survives overwintering at water temperatures of 5°C; reproduces year-round; is found in vegetation, sediment and water in ponds year-round; lays eggs two months post-hatch; and has a life span of at least one year. Planorbella trivolvis infected with …


Human Lumbar Nuclear Intervertebral Disc Prosthesis: An Experimental Study, Wuraola F. Larinde Aug 2008

Human Lumbar Nuclear Intervertebral Disc Prosthesis: An Experimental Study, Wuraola F. Larinde

Theses and Dissertations

Low back pain is also a vast socioeconomic issue which costing American taxpayers more than $50 billion yearly. Estimates state that up to 75% of low back pain is caused by lumbar degenerative disc disease. The nucleus seems plays a critical role in pain related to disc degeneration; it is the starting point of the degenerative cascade. All of these factors make it the focus of novel treatment options. The goal of this study is to create idealized models to determine the shape of nuclear implant best suited to resist the standard shear and torsional stresses that are generated in …


Oxidative Stress And Diabetic Cardiomyopathy., Loren Eugene Wold Aug 2008

Oxidative Stress And Diabetic Cardiomyopathy., Loren Eugene Wold

Theses and Dissertations

Diabetic cardiomyopathy, a heart muscle disease independent of micro-/macro-vascular complications, is manifested by prolonged action potential duration and prolonged cardiac contraction and relaxation. Several rationales have been postulated for the pathogenesis of diabetic cardiomyopathy including reactive oxygen species generation, although the precise mechanism is still undefined. My central hypothesis is that oxidative damage is the ultimate cause of diabetic cardiomyopathy. In vivo: Mice with cardiac-specific overexpression of the antioxidant metallothionein (MT) were made diabetic with the β-cell toxin streptozotocin (STZ) and isolated myocytes were studied. In vitro: Doxorubicin (Dox), a potent anti-cancer drug and reactive oxygen species donor and STZ …


Technological Strategic Planning And Globalization Impact: Fine-Tuning Strategic Planning Methodology, Plamen Miltenoff Aug 2008

Technological Strategic Planning And Globalization Impact: Fine-Tuning Strategic Planning Methodology, Plamen Miltenoff

Theses and Dissertations

Through this research, I sought to determine how technology leadership, as part of academic administration conducts strategic planning in educational technology. The focus in educational technology falls on the various tools of online interaction while the focus on strategic planning falls on SWOT (Strengths, Weaknesses, Opportunities and Threats) analysis. Under the impact of globalization, it is expected that the realm of external data necessary for SWOT analysis must shift from within national boundaries to international data gathering, thus providing a realistic assessment and enabling feasible strategic planning in a global economy. The need for revision was based on a review …


The Parents As Teachers Program And Kindergarten Literacy Readiness, Teresa Lynn Ockey Jul 2008

The Parents As Teachers Program And Kindergarten Literacy Readiness, Teresa Lynn Ockey

Theses and Dissertations

The purpose of this study was to assess the Parents as Teachers program and its relationship to literacy and school readiness among kindergarten students enrolled in three elementary schools in southwestern New Mexico, using the Dynamic Indicators of Literacy Skills assessment system. Data were collected by trained teachers and parent volunteers and used by the Parents as Teachers program as part of their program evaluation. Analysis of these data showed that the PAT program is having positive results for participating students in this school district in comparison to non-PAT kindergartners. The overall results from this study support continuing implementation of …


Evaluation Of Downy Mildew (Peronospora Farinosa F.Sp. Chenopodii) Resistance Among Quinoa Genotypes And Investigation Of P. Farinosa Growth Using Scanning Electron Microscopy, Leilani Kitz Jul 2008

Evaluation Of Downy Mildew (Peronospora Farinosa F.Sp. Chenopodii) Resistance Among Quinoa Genotypes And Investigation Of P. Farinosa Growth Using Scanning Electron Microscopy, Leilani Kitz

Theses and Dissertations

Quinoa (Chenopodium quinoa Willd.) is a pseudocereal native to the Andean region of South America and a staple crop for subsistence farmers in the altiplano of Bolivia and Peru. Downy mildew is the most significant disease of quinoa caused by the pathogen Peronospora farinosa f.sp. chenopodii Byford. This disease greatly impacts quinoa crops with yield losses up to 99%. As fungicides are expensive for farmers, the development of resistant cultivars appears to be the most efficient means for controlling downy mildew. The quinoa germplasm bank contains high amounts of genetic diversity, some of which exhibit mildew resistance. Methods for evaluating …


Characteristics Of Volunteer Leaders In The American Dietetic Association Compared To Non-Volunteer Registered Dietitians, Samantha Payne Rasmussen Jul 2008

Characteristics Of Volunteer Leaders In The American Dietetic Association Compared To Non-Volunteer Registered Dietitians, Samantha Payne Rasmussen

Theses and Dissertations

Objective To identify characteristics of dietitians who serve as leaders in the American Dietetic Association (ADA) and their managers, and to compare them to registered dietitians not in volunteer leadership roles and their managers.
Design A cross-sectional survey of volunteer leaders and those who have never volunteered as leaders in ADA.
Subjects/setting The study sample included elected officers in ADA and executive board members of ADA state affiliates (volunteer leaders) (n=259) and their managers (n=115), as well as a sample of registered dietitians not in ADA leadership roles (control) (n=273) and their managers (n=221).
Statistical analyses performed The variables examined …


Not By Commandment Or Constraint: The Relationship Between The Dietary Behaviors Of College-Aged Latter-Day Saints And Their Interpretation Of The Word Of Wisdom, Rick B. Jorgensen Jul 2008

Not By Commandment Or Constraint: The Relationship Between The Dietary Behaviors Of College-Aged Latter-Day Saints And Their Interpretation Of The Word Of Wisdom, Rick B. Jorgensen

Theses and Dissertations

Latter-day Saints are recognized throughout the world by their peculiar dietary code known as the Word of Wisdom. It is accepted by the Church as revelation and contains both proscriptions and prescriptions. Different levels of interpretation, understanding and observance of the principles in the Word of Wisdom make it a unique Latter-day Saint religious health code. The study population consists of college-aged male and female members of The Church of Jesus Christ of Latter-day Saints from Brigham Young University and a Latter-day Saint student stake affiliated with Utah Valley University. A questionnaire was conceptualized, designed and validated over a one …


Using A Chelator-Buffered Nutrient System To Study Phosphorus, Manganese And Zinc Interactions In Russet Burbank Potato, Steven A. Barben Jul 2008

Using A Chelator-Buffered Nutrient System To Study Phosphorus, Manganese And Zinc Interactions In Russet Burbank Potato, Steven A. Barben

Theses and Dissertations

Potato production requires high phosphorus (P) application with potential negative environmental or nutritional consequences for potato as well as for subsequent crops. Impacts of high available P on yield and plant nutrition of species in potato cropping rotations are inadequately understood, and could result in antagonistic interactions with cationic micronutrients such as zinc (Zn) and manganese (Mn). Three hydroponic experiments were conducted with Russet Burbank potato to elucidate P and Zn relationships and associated interactions with other nutrients. In the first experiment, P solution concentration was constant at 256 µM while Zn concentration varied: 0.1, 2, 6, 18, 54, 162 …


Body Shape Dissatisfaction: Patterns Of Concern Among Subgroups Of College Freshmen Women, Kristina S Withers Hansen Jul 2008

Body Shape Dissatisfaction: Patterns Of Concern Among Subgroups Of College Freshmen Women, Kristina S Withers Hansen

Theses and Dissertations

This study seeks to determine if there are patterns of differences according to college major in terms of the percentage of freshmen women who score in the clinically significant range on a measure of attitude toward body shape. Participants (N = 1,982) completed a demographic questionnaire and the Body Shape Questionnaire (BSQ) and were divided into subgroups according to their stated college major. Descriptive statistics regarding BSQ scores were calculated for the total sample and subgroups. Results indicated that a greater percentage of participants in Theater, Communications, Psychology, Dance, Business, and Dietetics majors scored within clinically significant ranges on the …


Effect Of Ca And Ph On Disease Severity Of Pink Rot Phytophthora Erythroseptica In Russett Norkotah Potato Solanum Tuberosum, Jared H. Benson Jul 2008

Effect Of Ca And Ph On Disease Severity Of Pink Rot Phytophthora Erythroseptica In Russett Norkotah Potato Solanum Tuberosum, Jared H. Benson

Theses and Dissertations

Phytophthora erythroseptica Pethyb. is a devastating fungal pathogen of potato (Solanum tuberosum). The pathogen causes a disease known as pink rot. Pink rot results in necrosis and decay of tubers; and is responsible for major losses pre and post harvest. Attributes of the disease are progressing toward epidemic proportions. To help prevent such dramatic outbreaks of the disease, understanding the factors associated with incidence will provide opportunities to control the pathogen. A link between pH and disease severity has been observed. We studied the effects of pH and Ca to determine their influence on disease development. Low pH and Ca …


Preventing Weight Gain In First Year College Students: An Internet-Based Intervention, Rachel Gow Jun 2008

Preventing Weight Gain In First Year College Students: An Internet-Based Intervention, Rachel Gow

Theses and Dissertations

The transition to college has been identified as a critical period for increases in overweight status. Overweight college students are at-risk of becoming obese adults, thus prevention efforts targeting college age individuals might be one key to reducing adult obesity rates. The current study developed and implemented an intensive, 6-session, internet intervention. This intervention was evaluated with first year college students assigned randomly to one of four treatment conditions: 1) no treatment, 2) 6-week weight and caloric feedback only, 3) 6-week internet intervention, and 4) 6-week combined feedback and internet intervention. As expected, the combined intervention group had lower BMI …


Pygmy Rabbit (Brachylagus Idahoensis) Habitat Use, Activity Patterns And Conservation In Relationship To Habitat Treatments, Janet E. Lee Jun 2008

Pygmy Rabbit (Brachylagus Idahoensis) Habitat Use, Activity Patterns And Conservation In Relationship To Habitat Treatments, Janet E. Lee

Theses and Dissertations

This study examined activity patterns and habitat use of pygmy rabbits (Brachylagus idahoensis) in mechanically treated and untreated areas in south-central Utah 2005-2008. We monitored fecal pellet plots in continuous sagebrush habitat as well as along treatment edges to record deposition and leporid presence over timed periods. Pygmy rabbit use of big sagebrush was higher than black-tailed jackrabbits (Lepus californicus) and mountain cottontail rabbits (Sylvilagus nuttallii ) (P< 0.01) relative to treated areas (P <0.01). We also compared pygmy rabbit use of areas with continuous sagebrush to residual sagebrush in a sample of mechanically treated areas. Our results suggest a treatment effect with higher (P <0.01) average counts of pygmy rabbit pellets in areas with continuous sagebrush compared to sagebrush strips and islands within treated areas. Before the big sagebrush biotype inhabited by pygmy rabbits is treated to reduce the occurrence and dominance of big sagebrush, we recommend managers consider two options. The first is no treatment, thus preserving, as is, the critical habitat of the pygmy rabbit and other sympatric big sagebrush obligate species of wildlife. The second option cautiously introduces the first prescription of habitat treatment ever recommended in relationship to the pygmy rabbit. This prescription includes recommended widths of the treated areas, seed mixes, widths of the preserved intact big sagebrush habitat for pygmy rabbits as well as suggested grazing systems for domestic livestock. Activity patterns of pygmy rabbits at their burrow were documented through the use of remote cameras. Photographs were analyzed for temporal and seasonal patterns of activity. Our results suggested that time of day was important in the activity level of pygmy rabbits while season was not. Pygmy rabbits were active during all time periods of the day but the greatest levels of activity occurred at night. Numerous other wildlife species were recorded by our remote cameras including other species of leporids, birds, rodents, reptiles and terrestrial predators.


Plumage Ornamentation As An Indicator Of Female Age And An Influence In Male Mate Choice In Protonotaria Citrea, The Prothonotary Warbler In Virginia., Terry Smith Jun 2008

Plumage Ornamentation As An Indicator Of Female Age And An Influence In Male Mate Choice In Protonotaria Citrea, The Prothonotary Warbler In Virginia., Terry Smith

Theses and Dissertations

Flamboyant plumage and ornamentation is common and well-known in male birds; it serves as a sexual display to attract potential mates. While flamboyant plumage is less common and usually more subtle in female birds, it does occur in some species such as Dark-Eyed Juncos (Junco hyemalis) and Prothonotary Warblers (Protonotaria citrea). Prothonotary Warblers display relatively subtle sexual dimorphism. This study examines variations in tail spot patterns in Prothonotary Warblers and relates those variations to age in females. Females with fewer than six spots tend to be two years old or younger; females with six spots or more tend to be …


Knowledge Of Undergraduate Psychology-Major Students Of The Apa Code Of Ethics, Aziz Atweh May 2008

Knowledge Of Undergraduate Psychology-Major Students Of The Apa Code Of Ethics, Aziz Atweh

Theses and Dissertations

The initial driving force of this study was to examine the knowledge and familiarity of undergraduate psychology-major students at Rowan University with the American Psychological Association's code of ethics or ethics code. An adapted version of a 1982 questionnaire containing vignettes of clinical and research situations that required 'ethical' decision-making processes was used. The original questionnaire and design of the study were conceived by Tymchuck et al. For purposes of the current study, however, the original vignettes were slightly adapted in order to fit neatly into the APA's 2002 code of ethics. Although the only statistically significant results showed that …


Causes Of Whitening Of Ivy Geraniums (Pelargonium Peltatum), Ritu Dhir May 2008

Causes Of Whitening Of Ivy Geraniums (Pelargonium Peltatum), Ritu Dhir

Theses and Dissertations

The development of whitening of the youngest leaves of actively growing ivy geranium (Pelargonium peltatum L.) has been observed as the season changes from late spring to summer. This study was conducted to determine the specific environmental causes of whitening, if micronutrients deficiencies cause similar whitening, whether low night temperatures can reverse whitening, and whether salicylic acid affects growth and whitening in ivy geraniums. Two cultivars, ‘Beach’ and ‘Butterfly’, with different susceptibility to whitening were chosen for this study. Elevated air temperature, but not elevated root-zone temperature, was found to be the environmental cause of whitening in ivy geranium. Elevated …


Descriptive Study Of Parents' And Guardians' Perceived Barriers To Physical Activity In The Mississippi Delta, Julia Parrott Callahan May 2008

Descriptive Study Of Parents' And Guardians' Perceived Barriers To Physical Activity In The Mississippi Delta, Julia Parrott Callahan

Theses and Dissertations

Understanding of beliefs, attitudes, and behaviors toward health issues, such as physical inactivity, within certain populations are often studied to design programs and interventions specific to communities. A total of six elementary schools were chosen in the Mississippi Delta, two elementary schools within three school districts, to provide a deeper understanding of barriers to physical activity. Fortyour parents and guardians of elementary aged children participated in focus groups to discuss current physical activity levels and factors impacting and limiting local children’s physical activity levels. The most frequently reported barriers were environmental issues such as fear of children’s safety, lack of …


Effect Of Phosphorous Poisoning On Catalytic Cracking Of Lipids For Green Diesel Production, Stephen Thomas Dufreche May 2008

Effect Of Phosphorous Poisoning On Catalytic Cracking Of Lipids For Green Diesel Production, Stephen Thomas Dufreche

Theses and Dissertations

Biodiesel is one of the most widely used biofuels in the world, due in part to its simplicity of production, compatibility with existing engines, and reduction of green house gas emissions. However, technical difficulties with biodiesel include: (1) the need of highly refined oil for ASTM compliance, (2) incompatibility with the petroleum-diesel pipeline distribution system, and (3) a relatively small inventory of expensive feedstocks. Issues (1) and (2) could be overcome by the production of biofuels using chemical processes associated with petroleum refining. Catalytic lipid cracking could result in green diesel, a fuel chemically similar to conventional diesel but derived …


Determination Of A Quantitative Descriptive Language For Freshwater Prawn (Macrobrachium Rosenbergii) And Consumer Acceptance Based On A Willingness-To-Pay Model, Robert Scot Anderson May 2008

Determination Of A Quantitative Descriptive Language For Freshwater Prawn (Macrobrachium Rosenbergii) And Consumer Acceptance Based On A Willingness-To-Pay Model, Robert Scot Anderson

Theses and Dissertations

The objectives of this research were to use trained sensory panels to identify key sensory profiling characteristics of freshwater prawns, develop and test price elicitation methods using the trained panels and gather freshwater prawn pricing information. Prawns were procured through a reputable producer and delivered to the Department of Food Science, Nutrition & Health Promotion at Mississippi State University. A trained sensory panel was utilized to develop descriptive terms to express key attributes of freshwater prawns. Trained panelists evaluated both raw and cooked product forms for 40 and 83 attributes, respectively. At the end of the sensory evaluation of the …


Development Of A Heterogeneously Catalyzed Chemical Process To Produce Biodiesel, Alok Kumar Singh May 2008

Development Of A Heterogeneously Catalyzed Chemical Process To Produce Biodiesel, Alok Kumar Singh

Theses and Dissertations

It is well known fact that energy is a big issue for this world and substantial amount of research is going on worldwide for alternative fuels that are environmentally friendly, especially because of the fact that crude petroleum reserves are dwindling. Also, research on alternative fuels is essential for increased energy security. Biodiesel is a renewable, biodegradable, and nontoxic fuel. At present, when homogeneous catalysts are used, biodiesel is primarily produced in batch reactors in which the required energy is provided by heating accompanied by mechanical mixing. Alternatively, ultrasonic processing could be an effective way to attain required mixing while …


Effects Of Body Mass, Physiographic Region, And Environmental Cues On Reproductive Timing In Deer, Michael Paul Dye May 2008

Effects Of Body Mass, Physiographic Region, And Environmental Cues On Reproductive Timing In Deer, Michael Paul Dye

Theses and Dissertations

The reproductive timing and success of white-tailed deer are important to managers. I evaluated the reproductive variability of pen-raised deer and wild populations within Mississippi and investigated effects of age, body condition and moon phase on conception dates. I also examined the reproductive potential of doe fawns from 3 regions of Mississippi. Individual conception dates varied more than expected and were not related to moon phase. Age affected individual conception date, although the effect may have been confounded by estimated gestation length. Population level variation was less than reported and could not be explained by moon phase or late-winter body …


Effects Of Five Different Intensities Of Stand Establishment On Wildlife Habitat Quality And Tree Growth In Loblolly Pine (Pinus Taeda) Plantations In Southern Mississippi, Phillip Daniel Jones May 2008

Effects Of Five Different Intensities Of Stand Establishment On Wildlife Habitat Quality And Tree Growth In Loblolly Pine (Pinus Taeda) Plantations In Southern Mississippi, Phillip Daniel Jones

Theses and Dissertations

I evaluated effects of 5 intensive pine plantation establishment regimes during years 1 – 5 post-establishment on vegetation communities, loblolly pine (Pinus taeda) growth, nutritional carrying capacity for white-tailed deer (Odocoileus virginianus), habitat values for northern bobwhite (Colinus virginianus), and projected financial viability in the Lower Coastal Plain of Mississippi. Treatments were combinations of mechanical site preparation (MSP), chemical site preparation (CSP), and herbaceous weed control (HWC) designed to reflect the range of operational intensities on industrial forest lands in the southeastern U.S. Results should inform plantation management decisions throughout the region. Pine growth increased with greater treatment intensity. At …


Effects Of Imazapyr And Prescribed Fire On Vegetation And Bird Communities In Mid-Rotation Crp Pine Plantations Of Mississippi, Lindsey Rae Carpenter Singleton May 2008

Effects Of Imazapyr And Prescribed Fire On Vegetation And Bird Communities In Mid-Rotation Crp Pine Plantations Of Mississippi, Lindsey Rae Carpenter Singleton

Theses and Dissertations

Appropriate management of mid-rotation pine plantations can improve habitat for early successional and pine-grassland adapted avian species. I tested effects of Imazapyr selective herbicide and prescribed fire on plant and avian communities in thinned, mid-rotation pine stands contracted under the Conservation Reserve Program. Within 12 replicate sites, 2 8.1-ha plots were assigned either herbicide and prescribed fire treatment or control. I described components of vegetation structure and composition in 2006. I tested effects of herbicide and prescribed fire treatment on avian relative abundance, species richness, total avian conservation value, and density of select species during 2003 - 2006. Hardwood midstory …


Effects Of Individual And Combinatorial Electrolyte Solutions Comprised Of Various Carbohydrates, Salts, And Stimulants Injected Into Broiler Hatching Eggs On Subsequent Late Term Embryogenesis And Post Hatch Performance Through Tendays Of Age, Brenna Mariechen Mcgruder May 2008

Effects Of Individual And Combinatorial Electrolyte Solutions Comprised Of Various Carbohydrates, Salts, And Stimulants Injected Into Broiler Hatching Eggs On Subsequent Late Term Embryogenesis And Post Hatch Performance Through Tendays Of Age, Brenna Mariechen Mcgruder

Theses and Dissertations

In this study, the effects of individual and combinatorial electrolyte solution comprised of carbohydrate, salt, and a stimulant injected into broiler hatching eggs on subsequent late term embryogenesis and post hatch performance up to D 10 were evaluated in separate trials. The effects of solution concentration and volume on embryo body weight and yolk reserves were likewise considered, and limited posthatch growth, body weight, and yolk sac effects of a compound electrolyte solution were evaluated. The individual and combinatorial effects of injected solutions were examined in an effort to yield the maximum physiological growth effects on embryogenesis from the metabolic …