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Articles 211 - 240 of 8048
Full-Text Articles in Entire DC Network
Innovative Approaches To Enhancing The Functional Properties Of Dairy Products: Evaluating Water Hydration Effects On Fat-Free Mozzarella Baking Performance And Impact Of Hyaluronic Acid On The Functional Properties Of Milk, Suresh Ganpatbhai Sutariya
Innovative Approaches To Enhancing The Functional Properties Of Dairy Products: Evaluating Water Hydration Effects On Fat-Free Mozzarella Baking Performance And Impact Of Hyaluronic Acid On The Functional Properties Of Milk, Suresh Ganpatbhai Sutariya
Electronic Theses and Dissertations
In recent years, the dairy sector has experienced a significant rise in the healthy eating trend, with consumers increasingly seeking products that are fat-free, free from added sugars, and high in protein. Additionally, specialized health dairy items enriched with functional ingredients such as probiotics, prebiotics, and bioactive peptides are gaining traction for their added health benefits. This dissertation covers three studies in two domains: the first on water hydration's impact on fat-free mozzarella baking, and the second on the influence of hyaluronic acid, and its combination with kappa-carrageenan, on the physical properties of milk. One such product, Fat-free mozzarella is …
Ovarian Response, Endocrine Environment, And Pregnancy-Associated Glycoproteins In Beef Cows Using The 7 & 7 Synchronization Protocol, Hunter Haberman
Ovarian Response, Endocrine Environment, And Pregnancy-Associated Glycoproteins In Beef Cows Using The 7 & 7 Synchronization Protocol, Hunter Haberman
Electronic Theses and Dissertations
This Review aims to provide an overview of the bovine estrous cycle and pregnancy establishment, beginning with follicular development, luteolysis, maternal recognition of pregnancy and early embryonic development. Manipulating the estrus cycle with synchronization protocols is a critical aspect of the beef industry and has greatly improved the efficiency of artificial insemination. This review will evaluate various strategies to synchronize estrus from the very basic to more advanced synchronization protocols. There are many factors that affect the success of the protocol, and many studies have been done to evaluate the estrus cycle to reach the highest level of success from …
Reducing Food Waste Among College Students Through Educational Messaging, Olivia Husmann
Reducing Food Waste Among College Students Through Educational Messaging, Olivia Husmann
Schultz-Werth Award Papers
The environmental and societal impacts of food waste continue to be demonstrated in reports, governmental documents, and independent research. While it is not the leading source of food waste, the foodservice industry has an important role in bringing awareness of the detriments of waste to its consumers. The following paper offers observations on food waste behaviors in college students at South Dakota State University (SDSU), specifically at Larson’s Commons dining hall during the 2024 spring semester. The study explores whether advocating for decreased food waste through infographics at dining tables changes the amount of food and drink wasted during the …
Southeast South Dakota Experiment Farm Annual Progress Report, 2025, Southeast South Dakota Research Farm
Southeast South Dakota Experiment Farm Annual Progress Report, 2025, Southeast South Dakota Research Farm
Agricultural Experiment Station and Research Farm Annual Reports
This is an annual report of the research program at the Southeast South Dakota Research Farm in cooperation with the South Dakota Agricultural Experiment Station and the SDSU College of Agriculture, Food, and Environmental Sciences and has special significance for those engaged in agriculture and the agriculturally related businesses in the ten-county area of Southeast South Dakota. The results shown are not necessarily complete or conclusive. Interpretations given are tentative because additional data resulting from the continuation of these experiments may result in conclusions different from those based on any one year.
Quantification Of Auxin-Cytokinin Response During Primary Root And Lateral Root Development In Common Bean, Gurdeep Singh
Quantification Of Auxin-Cytokinin Response During Primary Root And Lateral Root Development In Common Bean, Gurdeep Singh
Electronic Theses and Dissertations
Roots support water and nutrient uptake, anchorage, and soil interactions through continuous growth at the primary root tip (PRT). In common bean (Phaseolus vulgaris), new cells are produced in an open root apical meristem and subsequently elongate in the elongation zone, and together these processes drive root tip progression through the soil. Lateral roots (LRs) arise in the differentiation zone, where pairs of pericycle founder cells dedifferentiate, divide asymmetrically, and form lateral root primordia (LRP) that pass through defined developmental stages before emergence. Auxin and cytokinin (CK) are central regulators of both primary root growth and LR development, yet their …
Programming Carcass Composition Through Gestational Nutrition, Sydni Elise Borders
Programming Carcass Composition Through Gestational Nutrition, Sydni Elise Borders
Electronic Theses and Dissertations
The objective of this study was to evaluate the influence of maternal nutrient restriction during mid-gestation on the performance of the dam, feeding performance, carcass composition, and genetic expression in the offspring. Cows (n = 46) were randomly assigned to one of two treatments based on global nutrient intake: 1) fed to achieve and/or maintain a BCS of 5 or 6 (Positive Energy Status [PES]; n = 24) or 2) fed to lose one BCS during 99 days of mid-gestation (Negative Energy Status [NES]; n = 22). Cows in NES had greater decreases (P < 0.05) in body fat stores and muscle mass, elevated NEFA concentrations, and displayed decreased (P < 0.05) DMI, HP, and GHG emissions. There were no differences in milk components or volume produced between treatments (P > 0.05). There were no differences in …
Impact Of Minimally Processed Red Meat On Biomarkers Of Cognitive Decline, Saba Vaezi
Impact Of Minimally Processed Red Meat On Biomarkers Of Cognitive Decline, Saba Vaezi
Electronic Theses and Dissertations
No abstract provided.
Evaluation Of High-Moisture Ear Corn As A Roughage Source In Finishing Diets Fed To Beef Steers, Riley J. Leeson
Evaluation Of High-Moisture Ear Corn As A Roughage Source In Finishing Diets Fed To Beef Steers, Riley J. Leeson
Electronic Theses and Dissertations
The objective of this study was to evaluate the feedlot performance, rumination activity, and carcass characteristics of high moisture ear corn (HMEC) as a roughage source in finishing diets fed to beef steers. Backgrounded steers (n = 191; initial shrunk weight [4% BW] = 449 kg 23.9 kg) were assigned randomly to 1 of 24 pens (8 steers/pen) with pens randomly assigned to one of four dietary treatments (6 pens/treatment): control diet with hay fed at 10% roughage equivalency (RE; HAY10), or HMEC at either 14% (EAR14), 10% (EAR10), or 6% (EAR6) RE. High-moisture ear corn was assumed to …
Finishing Location And Forage Diversity Influences Carcass Characteristics, Meat Quality Attributes, Terroir, And Color Stability Of Grass-Finished Bison Bulls, Garrett Tyler Weldy
Finishing Location And Forage Diversity Influences Carcass Characteristics, Meat Quality Attributes, Terroir, And Color Stability Of Grass-Finished Bison Bulls, Garrett Tyler Weldy
Electronic Theses and Dissertations
The overall objective of this thesis is to determine the influence of finishing location and forage diversity on carcass characteristics, meat quality, terroir, and color stability of grass-finished bison bulls. The specific objectives were 1) Determine the effect of finishing location on carcass characteristics, meat quality attributes, and terroir of grass-finished bison bulls, 2) Investigate the effect of forage diversity on the carcass characteristics, meat quality attributes, and terroir of grass-finished bison bulls, and 3) Determine the effect of finishing location on the meat color stability of grass-finished bison bulls. Overall, results indicate that finishing location influenced carcass characteristics, objective …
The Influence Of Bottom-Up And Top-Down Effects On The Density And Distribution Of Common Leopards In The Eastern Himalayas, Karma Choki
Electronic Theses and Dissertations
Leopards (Panthera pardus fusca) are widely distributed across Asia, yet their conservation is overshadowed by the conservation status of other flagship predators like tigers (Panthera tigris), in the Eastern Himalayas. Despite their ability to coexist with other large carnivores, leopard populations are shaped by intricate ecological interactions and increasing human pressures. This thesis investigates the abundance and density, habitat use, and drivers of persistence of leopards across Bhutan to inform multi-species carnivore conservation planning. My first chapter provides an overview of the ecological roles of large carnivores and how they persist on the landscape. I review the mechanisms that facilitate …
Comparative Evaluation Of Fungal Strains For The Bioprocessing Of Soybean Hulls Using Cheese Whey As Fermentation Medium, Ruchita Bhattarai
Comparative Evaluation Of Fungal Strains For The Bioprocessing Of Soybean Hulls Using Cheese Whey As Fermentation Medium, Ruchita Bhattarai
Electronic Theses and Dissertations
Globally, soybean is the most widely cultivated oilseed crops, and serve as the primary source of cooking oil, contributing to around 50% of global oilseed production. During the industrial processing of soybean oil, a significant amount of soybean hull (SH) is produced, which makes up about 8% of the grain yield, resulting in approximately 18–20 million tons of hulls, one of the largest by-products in the soybean industry. The hulls have limited commercial value and are primarily used as fiber additives in dairy cattle feed, but a large portion is still discarded as agricultural waste. Similarly, cheese whey (CW), a …
Quantifying Landscape Variability Of Dynamic Soil Properties In The James River Valley, Eastern South Dakota, Sage Reuter-Schmitt
Quantifying Landscape Variability Of Dynamic Soil Properties In The James River Valley, Eastern South Dakota, Sage Reuter-Schmitt
Electronic Theses and Dissertations
Dynamic soil properties (DSP) are a great tool for monitoring land-use change, and they are frequently used as soil health metrics. The NRCS and other soil researchers often use repeating, single-point or nested-point DSP studies to monitor and better understand the effects of land management decisions. While these studies capture the temporal variability of DSPs, they overlook the field-scale spatial variability of DSPs. Soil organic carbon (SOC) provides critical services to the ecosystem and other environments. These traits, as well as its susceptibility to management decisions, make SOC an important soil health indicator and DSP. Measuring SOC is often time …
Impacts Of Early/Mid-Gestation Shearing On Umbilical Blood Flow And Lamb Birth Weight, Mara Johnson
Impacts Of Early/Mid-Gestation Shearing On Umbilical Blood Flow And Lamb Birth Weight, Mara Johnson
Electronic Theses and Dissertations
Studies outside the USA have reported that shearing pregnant ewes during mid to late gestation increases lamb birth weight. Our hypothesis was that shearing pregnant ewes on day 50 of gestation would increase umbilical blood flow (UBF), fetal size, lambing and placental weights. Twenty-eight Polypay ewes were randomly assigned to two treatments: shorn (S) and sham-shorn (Control, CON) and divided in singleton (S: n=4; CON: n=4), twins (S: n=5; CON: n=5) and triplets (S: n=5; CON: n=5). Umbilical BF and fetal and placental measurements were obtained via ultrasonography every 10 days from day 50 to 110 of gestation. Lamb birth …
Isolation And Characterization Of Rhizobia Bacteria From Midwest Soils, Jr Loya
Isolation And Characterization Of Rhizobia Bacteria From Midwest Soils, Jr Loya
Electronic Theses and Dissertations
Symbiotic bacteria, known as rhizobia, can colonize the roots of legume plants and then convert atmospheric nitrogen into a usable form by the host through the process called biological nitrogen fixation (BNF). Many of these bacteria produce other plant-growth-promoting benefits, such as nutrient acquisition, phytohormone production, and the modification of plant stress responses. Agricultural inoculants made from these bacteria have helped reduce the need for man-made nitrogenous fertilizers, known causes of pollution and eutrophication. There are additional benefits in developing bacteria inoculants local to regional soils. The ability to survive and compete in Midwest soil and climates present an opportunity …
Transcriptional Regulation Of Mouse Line-1 Subfamilies, Karabi Saha
Transcriptional Regulation Of Mouse Line-1 Subfamilies, Karabi Saha
Electronic Theses and Dissertations
No abstract provided.
Physiological And Genetic Studies Of Hydrotropism In The Maize Primary Root, Muyu Gu
Physiological And Genetic Studies Of Hydrotropism In The Maize Primary Root, Muyu Gu
Electronic Theses and Dissertations
No abstract provided.
Evaluating Dietary Consequences On Body Mass And Thermal Heat Flux Of North American Bison (Bison Bison) Yearling Heifers, Kendall Marie Wald
Evaluating Dietary Consequences On Body Mass And Thermal Heat Flux Of North American Bison (Bison Bison) Yearling Heifers, Kendall Marie Wald
Electronic Theses and Dissertations
No abstract provided.
Evaluating Effects Of Copper Sources In Nursery Pig Diets And Phytase Inclusion And Diet Interactions On Water Usage In Growing And Finishing Pigs, Daniel Rosales
Electronic Theses and Dissertations
In modern swine production, nutritional strategies that optimize growth performance, resource utilization, and carcass quality are essential. Three independent trials were conducted to evaluate how dietary modifications involving copper (Cu) sources, phytase inclusion, and amino acid reformulation affect nursery and grow-finish pigs. The first trial assessed the effects of three different Cu sources on nursery pig growth performance. A total of 1,145 pigs (5.9 ± 1.3 kg BW) were assigned to one of four dietary treatments: control, tri-basic Cu chloride source #1 (TBCC1), Cu chelate (cCu), or tri-basic Cu chloride source #2 (TBCC2), each providing 150 ppm of Cu. Over …
Optimizing Heifer Development On Dormant Rangelands By Integrating Precision Livestock Technologies With The Range Supplementation Model And The Evaluation Of Short-Term Rotations Of Precision Technology On Plant Communities, Hadley Ann Dotts
Electronic Theses and Dissertations
Heifer development on dormant rangelands offers a cost-effective alternative to feedlot or drylot systems. However, traditional bunk supplementation methods often result in uneven intake, inefficient feed use, and ecological degradation around static feeding sites. This thesis evaluated the integration of precision livestock technologies and a dynamic Range Supplementation Model to improve individual animal performance, weight uniformity, and rangeland sustainability in extensive heifer development systems in the Northern Great Plains. The first study involved a seven-month trial (November 2023–May 2024) with 50 yearling Angus heifers grazing dormant native rangelands at the SDSU Cottonwood Field Station. Heifers were stratified into two treatments: …
Biotransformation Of Camelina Meal Via Pretreatment And Fermentation For Functional And Nutritional Upgrading, Ram Kumar Bhattarai
Biotransformation Of Camelina Meal Via Pretreatment And Fermentation For Functional And Nutritional Upgrading, Ram Kumar Bhattarai
Electronic Theses and Dissertations
Camelina sativa, an oilseed crop of the Brassicaceae family, has seen increased cultivation in North America in response to the rising demand for biofuels over the past two decades. With this growth, camelina meal, a byproduct of oil extraction, has emerged as a promising yet underutilized resource, particularly for applications in animal nutrition. This study aimed to evaluate the potential of camelina meal as a substrate for submerged fungal fermentation and to examine how this bioconversion affects its physicochemical and nutritional properties. The influence of mild pretreatments (unwashed, washed only, and washed/dried and ground) on fermentation outcomes was also assessed. …
Target Cell-Associated Cd47 Suppresses Nadph Oxidase Activity In Macrophages During Antibody Dependent Cellular Phagocytosis, Seuly Akter
Electronic Theses and Dissertations
CD47-SIRPα signaling is a well-known immune checkpoint that suppresses macrophage-mediated antibody-dependent cellular phagocytosis (ADCP). In this study, we explored how CD47 influences reactive oxygen species (ROS) production driven by Fcγ receptor (FcγR) signaling. Our results show that macrophages produce significantly more ROS when encountering IgG coated target cells lacking CD47.Polarization with IFNγ further amplified this effect. ThusCD47-SIRPα interactions limit phagocytosis and suppress oxidative ROS production by macrophages. We found that CD47 blockade and IFNγ stimulation enhanced ADCP through distinct mechanisms. CD47 blockade removed the inhibitory "don't eat me" signal supporting ADCP and ADROS. Similarly, IFNγ enhances ADCP by upregulating FcγRI …
Testing The Effect Of Source And Environment On Native Seed Germination To Inform Seed-Based Restoration Of Grasslands, Brandon Clark
Testing The Effect Of Source And Environment On Native Seed Germination To Inform Seed-Based Restoration Of Grasslands, Brandon Clark
Electronic Theses and Dissertations
Grasslands are one of the most endangered ecosystems on the planet, and they provide a variety of important ecosystem services that people rely on. Losses of grasslands can be mitigated through restoration. Seed-based restoration is a regularly used practice due to its practicality and cost-effectiveness. Planting non-local seed that may not be suitable for its destination environment can have consequences in plant establishment and subsequent restoration success. This experiment tested the response (final germination and germination rate) of seed from 11 perennial tallgrass species sourced from 3 different locations to different germination temperature conditions. Seeds from three sources of each …
Effect Of Vibration Isolation During Transportation On Beef Sirloin Subprimal And Steak Quality, Kylie Nevada Krueger
Effect Of Vibration Isolation During Transportation On Beef Sirloin Subprimal And Steak Quality, Kylie Nevada Krueger
Electronic Theses and Dissertations
The objective of this study was to determine the influence of vibration during transportation on beef sirloin water holding capacity, color, and tenderness. USDA Choice center-cut sirloin top butts (n = 45 cases) were collected at a commercial processing facility and randomly allocated to one of three treatments 1) regular pallet driven 241 km (Reg241), 2) regular pallet driven 644 km (Reg644), and 3) vibration isolation pallet driven 644 km (Iso644). All subprimals were transported at -2.2 °C (d0) and stored for 10 days to mimic industry practices for product aging. Following storage (d11), one subprimal per case was evaluated …
Effects Of Essential Oils Alone Or In Combination With Monensin In An In Vitro Model Of Ruminal Acidosis, Jorge L. Bonilla Urbina
Effects Of Essential Oils Alone Or In Combination With Monensin In An In Vitro Model Of Ruminal Acidosis, Jorge L. Bonilla Urbina
Electronic Theses and Dissertations
The objective of this study was to evaluate the effect of essential oils and/or monensin on the concentration of volatile fatty acids (VFA), ammonia, and pH in a ruminal acidosis in vitro model. Red Angus steers (n = 4; BW = 435 ± 9 kg) with ruminal and duodenal cannulas were allocated in a 4 × 4 Latin square design. Treatments were 1) Fed no essential oils (RB) or monensin sodium (MON:CON); 2) Fed RB at a rate of 14 g daily with no Mon (RB+); 3) Fed no RB and fed Mon at 400 mg daily (MON+); 4) Fed …
Climate Variability Study For Arid Regions, Faisal Almutairi
Climate Variability Study For Arid Regions, Faisal Almutairi
Electronic Theses and Dissertations
Water is the primary source for all living species to thrive, and water scarcity has been a primary concern for biological species and plants in arid regions due to urban planning, population growth, poor water management, and overgrazing. The objective of this research was to study the climate variability in precipitation and temperature for an arid region. This research encompasses two distinct studies. The first study examined the impact of climate variability on precipitation in Phoenix. Precipitation data were acquired from NOAA from 1948 to 2023 and the study was broken down into three time scales: annually, seasonally, and monthly. …
Prospective Use Of Detection Dogs As A Screening Tool For Mycoplasma Ovipneumoniae In Bighorn Sheep (Ovis Canadensis), Michele C. Lovara
Prospective Use Of Detection Dogs As A Screening Tool For Mycoplasma Ovipneumoniae In Bighorn Sheep (Ovis Canadensis), Michele C. Lovara
Electronic Theses and Dissertations
Mycoplasma ovipneumoniae is a bacterium that can spill over from domestic sheep (Ovis aries) to bighorn sheep (Ovis canadensis), with effects in bighorn sheep ranging from low to no lamb recruitment to whole-herd all-age die-offs from resulting pneumonia. Fast and reliable pathogen or disease detection is essential for managing outbreaks in bighorn sheep and emergences in affected populations. Detection dogs are increasingly being enlisted to close gaps and further complement various disease, pathogen and virus research and response efforts. This thesis explores the use of conservation detection dogs as a potential tool for M. ovipneumoniae surveillance in bighorn sheep through …
Development Of Food Preservative Hydrogel Using Bioactive Compounds Extracted From Canola Meal, Kayla Christopherson
Development Of Food Preservative Hydrogel Using Bioactive Compounds Extracted From Canola Meal, Kayla Christopherson
Electronic Theses and Dissertations
With an ever-growing population comes the need for a greater food supply. Yet land and other agricultural resources put a limit on the availability of food production. As farmers strive to optimize higher produce yields, society must turn to greener, more sustainable food preservation techniques to reduce food spoilage. The inclusion of extracted bioactive compounds found in canola meal into a food preservative hydrogel is such a solution for food spoilage reduction. In this thesis, extraction parameters of glucosinolates were examined along with their inhibition of E. coli DH5αZ1 when incorporated into 2 developed hydrogels: gelatin A Schiff-base and agar-agar. …
Phytogenic Feed Additives Pre- And Post-Calving And Effects Of Substituting Ddgs With Soybean Meal On Protein Metabolism In Beef Cattle, Grace H. Jardon
Phytogenic Feed Additives Pre- And Post-Calving And Effects Of Substituting Ddgs With Soybean Meal On Protein Metabolism In Beef Cattle, Grace H. Jardon
Electronic Theses and Dissertations
The objective of these studies was to evaluate nutritional strategies to improve beef cattle productivity through targeted supplementation and protein source manipulation. The first study investigated the effects of a phytogenic supplement (PHYT; a blend of turmeric, capsicum, and black pepper oleoresin) on colostrum yield and composition, calf passive immunity, and cow–calf performance. Twenty-three Angus-based cows were assigned to either a control group or received 250 or 500 mg/head/day of PHYT from 30 days pre-calving to 60 days post-calving. Supplementation with PHYT linearly increased colostrum fat and calf serum IgA concentrations. Milk fat, calf serum IgG, and colostrum IgM tended …
Effect Of Six-Day Germination On Chemical Composition, Functional, And Nutritional Properties Of Pea Varieties, Hojjat Abdollahikhamene
Effect Of Six-Day Germination On Chemical Composition, Functional, And Nutritional Properties Of Pea Varieties, Hojjat Abdollahikhamene
Electronic Theses and Dissertations
Pulses, particularly peas, have long been a crucial source of protein in vegetarian and cost-effective diets worldwide. They have gained popularity in Western diets as more people turn to plant-based proteins as alternatives to animal products. Peas are known for their high protein content; however, their use in food products has been limited due to factors like poor solubility and digestibility. Germination improves the nutritional profile of peas by enhancing protein content and digestibility. The objective of this study was to determine the effects of six days of germination on the nutritional composition and functional properties of different varieties of …
Biopolymer-Induced Soil Ductility Enhancement: Mitigating The Effects Of Desiccation Cracks, Rabindra Prasad Bohara
Biopolymer-Induced Soil Ductility Enhancement: Mitigating The Effects Of Desiccation Cracks, Rabindra Prasad Bohara
Electronic Theses and Dissertations
This study addresses the formidable challenges of expansive clayey soils, notorious for their swelling-shrinkage characteristics, which often lead to ground instability and structural damage. While effective in mitigating soil swell-shrink potential and enhancing strength, traditional calcium-based stabilizers can react with higher sulfate content to form ettringite, causing volumetric changes and infrastructure distress. To assess the impact of stabilizing sulfate-rich soils and determining the various engineering properties, samples of both control and stabilized soils were prepared using lime, biopolymer (guar gum), and lime with guar gum at concentrations of 2% and 4% lime only, 0.5%, 1% and 1.5% guar gum only, …