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Articles 1 - 9 of 9
Full-Text Articles in Life Sciences
Evaluation Of Growth Performance, Energy Utilization, And Carcass Trait Responses Of Finishing Lambs Administered Zeranol, Emily Nold
Schultz-Werth Award Papers
The objective of this research was to determine the influence of implanting heavy wether lambs with 12 mg zeranol (1 pellet Ralgro, Merck Animal Health. Madison, NJ) 59 d before harvest. Average daily gain (ADG), feed efficiency, and carcass merit were evaluated. Polpypay and crossbred wethers (n = 32 total) were equally divided into two treatment groups within a randomized complete block design. Sixteen pens were used resulting in 8 replicate pens per treatment. Wethers were fed a finishing diet consisting of cracked corn, soybean meal and soybean hulls ad libitum for 59 d. Lambs had access to clean water …
Whole Genome Sequencing For Identification Of Putative Causative Alleles For Hemochromatosis In Horses, Anna M. Rauber-Ramos
Whole Genome Sequencing For Identification Of Putative Causative Alleles For Hemochromatosis In Horses, Anna M. Rauber-Ramos
Schultz-Werth Award Papers
Hemochromatosis is liver disorder in which excess iron is stored in the liver, leading to iron overload and extensive liver damage that can prove fatal. Based on human precedence, a genetic cause for idiopathic hemochromatosis in horses is suspected. Two horses with hemochromatosis were whole genome sequenced, with variants in candidate genes prioritized in analyses of potential pathogenicity. No clear putative variants were found to be present in both horses, suggesting an etiology more complex than the initially suspected Mendelian inheritance. A heterozygous nonsense mutation in STEAP3 metalloreductase (STEAP3) was identified as a potential contributor to hemochromatosis in one of …
Kidney Stones And Energy Drinks: A Literature Review, Donovan D. Bentz
Kidney Stones And Energy Drinks: A Literature Review, Donovan D. Bentz
Schultz-Werth Award Papers
Kidney stones are common, painful, and expensive to treat. Several factors play a role in the development of stones, particularly the consumption of sugars such as fructose. As such, the consumption of sugary energy drinks contributes to the development of kidney stones. However, there is a lack of understanding behind the mechanism of kidney stone development and the role energy drinks play in stone development. This review analyzes the mechanism of kidney stone development and the effect energy drink consumption has on stone development. Here, we also detail the dietary roles calcium, oxalate, ascorbic acid, and animal protein have on …
Analyzing The Effects Of Winter-Patch Grazing And Wildfire On Insect Order Hymenoptera In The Northern Great Plains, Kaitlin Schieuer
Analyzing The Effects Of Winter-Patch Grazing And Wildfire On Insect Order Hymenoptera In The Northern Great Plains, Kaitlin Schieuer
Schultz-Werth Award Papers
Pollinators are declining globally, threatening global crop production and the biological integrity of many ecosystems. Hymenoptera (the order containing ants, bees, and wasps) is one of the most important insect orders for pollination of a variety of plants, including many crops, and is important as biocontrol for crop pests, and other herbivorous insects. Land management practices affect plant community composition, which influences vegetation-dependent insects, and consequently affects their ecosystem services. Fire and grazing are common practices on working landscapes in the Great Plains. However, how these management techniques impact insect diversity, particularly Hymenopterans, in a mixed-grass prairie ecosystem, is poorly …
Impacts Of Eastern Redcedar Juniperus Virginiana L. On Avian Communities In Eastern South Dakota, Jay Holm
Impacts Of Eastern Redcedar Juniperus Virginiana L. On Avian Communities In Eastern South Dakota, Jay Holm
Schultz-Werth Award Papers
Eastern redcedar (ERC) (Juniperus virginiana L.) is the most rapidly spreading woody species in the Northern Great Plains due to fire suppression, planting in windbreaks, and overgrazing. Its encroachment has converted already fragmented and/or degraded grassland into woodland, and there is concern that it may negatively impact grassland-obligate/dependent avian species. In this study, I evaluated avian community composition between ERC-encroached and non-encroached grasslands in eastern South Dakota. Six sites each of encroached grassland and non-encroached grassland were selected. Bird surveys were conducted by performing point counts placed equidistantly along a transect for two years. Presence and abundance of each species …
Development And Diagnostic Application Of Monoclonal Antibodies Against Swine Acute Diarrhea Syndrome Coronavirus (Sads-Cov), Molly Kroeger
Development And Diagnostic Application Of Monoclonal Antibodies Against Swine Acute Diarrhea Syndrome Coronavirus (Sads-Cov), Molly Kroeger
Schultz-Werth Award Papers
Swine Acute Diarrhea Syndrome Coronavirus (SADS-CoV) is a member of the Coronaviridae family. The virus is associated with severe small intestine inflammation and diarrhea in suckling piglets. In 2017, SADS-CoV was first detected and identified as the causative agent of a devasting swine disease outbreak in southern China. Routine monitoring and early detection of the source of infection is therefore integral to the prevention and control of a SADS-CoV outbreak in the United States. However, the United States does not currently have any diagnostic or surveillance tests to identify this emerging disease. To address these industry needs, we developed monoclonal …
Evaluation Of Anterior Pituitary Leptin Receptor Expression In Pregnant And Non-Pregnant Gilts, Juliana Pederson, Jeffrey Clapper
Evaluation Of Anterior Pituitary Leptin Receptor Expression In Pregnant And Non-Pregnant Gilts, Juliana Pederson, Jeffrey Clapper
Schultz-Werth Award Papers
Successful reproduction in porcine depends on the coordinated synthesis and release of several hormones from the hypothalamus and anterior pituitary gland. Leptin, a hormone produced from adipocytes, interacts with other specific reproductive hormones and affects the reproductive success in swine. However, the full extent of leptin’s impact is unclear. This experiment sought to examine the difference in expression between the anterior pituitary gland leptin receptors in pregnant and non-pregnant pigs to confer the impact leptin has on reproductive success. Twentyfour crossbred gilts of similar age and weight had their estrus cycles synchronized and then were bred via artificial insemination. The …
Assessment Of Pollinator Preference Of Native And Nonnative Perennial Flowering Plants In South Dakota’S Grasslands, Bryanna Chipley
Assessment Of Pollinator Preference Of Native And Nonnative Perennial Flowering Plants In South Dakota’S Grasslands, Bryanna Chipley
Schultz-Werth Award Papers
With global pollinator decline continually worsening as a result of human action, concerned citizens and scientists alike have been looking for answers as to what can be done to help, and the question of whether native or non-native plants provide more benefit to pollinating insects has been long discussed in the scientific community. This research is intended to help answer that question by attempting to determine whether pollinators have a distinct preference between native and non-native plants when presented with both options. The hypothesis at outset of this project was that native plants would provide greater benefit to pollinators, whom …
Evaluating And Improving Consumer Perceptions Of The Agriculture Industry, Katelyn Berndt
Evaluating And Improving Consumer Perceptions Of The Agriculture Industry, Katelyn Berndt
Schultz-Werth Award Papers
Consumer perceptions of the agriculture industry are increasingly important as alternative labeling and non-conventional options become more common. Consumers are seeking a more dominant role in the conversation about their food. This study explores how the agriculture industry can respond in a way that improves consumer perceptions and builds trust. The study also seeks to answer the question of whether country of birth or background affects consumer perceptions of agriculture. The research model includes a QuestionPro survey completed by students at South Dakota State University, representing consumers in the Millennial generation who are more likely to respond positively to transparent …