Search
Now showing items 21-40 of 62
Essays on health and retirement in financial planning
(University of Missouri--Columbia, 2023)
[EMBARGOED UNTIL 12/1/2024] This dissertation focused on investigating topics that are closely connected to health and retirement that households need to consider when making financial plans. The first chapter assessed the ...
Net energy content of soybean meal and glycerol for growing and finishing pigs
(University of Missouri--Columbia, 2009)
to be 2,740 kcal/kg for growing pigs and 3,461 kcal/kg for finishing pigs....
Applications of ancestry estimation in cattle population genetics
(University of Missouri--Columbia, 2019)
Accounting for ancestry and cryptic population structure is important in population genetic data analysis. The estimation of ancestry can help elucidate the effects of admixture or stratification on allele and genotype ...
Drainage water management practices affect water quality, soil properties, and crop production
(University of Missouri--Columbia, 2023)
and nutrient removal in a no-till, terrace-tiled field with and without CCs. Runoff water samples were collected using automated water samplers from individual runoff flumes and analyzed for total suspended solids (TSS), nitrate-N (NO3-N), dissolved reactive...
Biomass production of five populus clones, soil carbon and soil water content in a central Missouri floodplain
(University of Missouri--Columbia, 2006)
Five Populus clones in two short rotation 5 year plantations were tested for biomass production and associated soil C changes in the central Missouri floodplain under climatic conditions of the Midwest. A Populus deltoides x Populus nigra (Eugenei...
Agroforestry buffer, biomass crop, and grain crop effects on soil quality and soil water use
(University of Missouri--Columbia, 2020)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Soil degradation, impaired water quality, and reduced soil organic carbon have become major concerns in the management of degraded claypan soils with their associated ecological...
Three essays on higher education outcomes
(University of Missouri--Columbia, 2022)
. Program adoption reduces bachelor's degree holders in rural counties by 1.2 percentage points. The second essay measures the impact of honors college participation on collegiate outcomes at a large, public-land grant midwestern university by leveraging...
Three essays on phosphorus runoff and water quality
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Water pollution caused by nutrients, and the resulting eutrophication, have increased over time. This water pollution is increasingly caused by non-point source pollution, both...
Skeletal muscle weakness and mitochondrial dysfunction in the osteogenesis imperfecta murine (oim) model
(University of Missouri--Columbia, 2021)
Osteogenesis imperfecta (OI), also commonly referred to as brittle bone disease, is a heritable connective tissue disorder occurring in roughly 1:15,000 births. OI arises as a result of mutations in the type I collagen ...
Integrating cover crops into crop rotations in upstate Missouri
(University of Missouri--Columbia, 2018)
"There is an increasing emphasis on management strategies such as reduced tillage, use of cover crops, and implementation of conservation practices (i.e. terraces, no-till, and cropping systems) in Missouri cropping systems. By combining best...
Fine mapping and candidate gene identification of a soybean seed protein and oil QTL from a wild soybean accession and linkage analysis for whole plant biomass, carbon, nitrogen, and seed composition using a RIL mapping population
(University of Missouri--Columbia, 2021)
near infrared spectroscopy. The objective of this study was to examine nitrogen mobilization from a mapping population from the cross PI 361103 (contains high shoot N content and low seed N content) x PI 567572B (contains high seed N content and low...
Population history at the microscale : craniometrics of the Cayo Santiago macaques
(University of Missouri--Columbia, 2011)
Being able to understand the effects of relatedness on adult cranial morphology has implications for inferring population histories, and for informing us about the influence of social behaviors on these patterns of population ...
Characterization of skeletal muscle in mouse models of osteogenesis imperfecta and myostatin deficiency
(University of Missouri--Columbia, 2010)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Osteogenesis imperfecta (OI) is a heritable connective tissue disorder hallmarked by bone fragility resulting primarily from mutations in the pro[alpha]1(I) or pro[alpha]2(I...
Digestible lysine and threonine requirements of male turkeys and their effects on performance of male turkeys fed practical diets to market age
(University of Missouri--Columbia, 2008)
Seven experiments were conducted to determine the minimum requirements of digestible lysine (dLys) and digestible threonine (dThr) from 1 to 21 weeks of age for male turkeys. Requirement values were similar to NRC (1994) ...
Participation in tax deferred retirement programs in a defined benefit environment
(University of Missouri--Columbia, 2006)
The purpose of this study is to examine the major factors that influence employees' decisions regarding their levels of participation in employer sponsored tax-deferred retirement savings accounts (TDAs). At the broadest ...
Biotic interactions in the fossil record: an investigation on the patterns of predation and parasitism of Plio-Pleistocene bivalves from the Nashua Formation of Florida
(University of Missouri--Columbia, 2022)
representing 34 genera among 21 families. Traces indicative of predatory drill holes were the dominant trace type (7.7 percent; n=154) followed by trematode-induced pits and igloo-like structures (2.2 percent; n=45) and polydorid-induced traces (1.7 percent; n...
Soil surface-seal measurement using high-resolution x-ray computed tomography (HRCT)
(University of Missouri--Columbia, 2006)
Rainfall on bare soil breaks soil aggregates, detaching particles, plugging pores and decreasing porosity in the top few mm of soil. This reduces hydraulic conductivity and increases runoff through a process known as surface ...
Docosahexaenoic acid and lipid peroxidation products : insights from studies with microglial cells and mouse brain
(University of Missouri--Columbia, 2019)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Oxidative stress is known to play an important role in neurodegenerative diseases. Microglia are the primary innate immune cells in the central nervous system. Using BV-2...
Hormonal regulation of bone health: novel understandings of xenoestrogens and estrogen receptor-[alpha]
(University of Missouri--Columbia, 2020)
to explore a, the importance of estrogen receptor-[alpha] (ER[alpha]) in male mice at different points in the life cycle and b, the long-term impact of gestational exposure to xenoestrogens, specifically bisphenol-A (BPA) and bisphenol-S (BPS), on male...
Birth order and gender : differential parental investment in Medieval England and France in the eleventh, twelfth, and thirteenth centuries
(University of Missouri--Columbia, 2020)
This dissertation addresses the question: will parents invest differently in their children based on gender and birth order? Using parental investment theory and four major sets of outcome variables--child survival, parental ...