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Articles 1 - 30 of 612
Full-Text Articles in Life Sciences
Towards The Quantification Of Estrone And 17Β-Estradiol Conjugates In Dairy Cattle Urine Sorptive Stir Bar Extraction And Gas Chromatography-Mass Spectometry, S.M. Istiak Ahmed
Towards The Quantification Of Estrone And 17Β-Estradiol Conjugates In Dairy Cattle Urine Sorptive Stir Bar Extraction And Gas Chromatography-Mass Spectometry, S.M. Istiak Ahmed
Masters Theses & Specialist Projects
The global concern regarding the presence of compounds with estrogenic properties in the environment has grown significantly. Endocrine-disrupting compounds (EDCs) are environmental pollutants that disrupt the endocrine systems of both wildlife and humans. Estrogens, with their potent estrogenic effects, are particularly noteworthy among the various substances with endocrine-disrupting properties. They are of concern due to their prevalence in the environment, especially due to dairy waste contamination. These lipophilic compounds can accumulate in livestock fat tissues, potentially entering the human food chain. Sulfated forms of estrone and β- estriol, which exhibit a higher degree of saturation than their non-conjugated counterparts, have …
Liquid Chromatography Mass Spectrometry Method Development For The Determination Of Β–Defensins In Bovine Milk, Elisha Ogbebor
Liquid Chromatography Mass Spectrometry Method Development For The Determination Of Β–Defensins In Bovine Milk, Elisha Ogbebor
Masters Theses & Specialist Projects
Bovine mastitis is caused by a wide range of pathogens which results in a substantial economic loss for the dairy cattle livestock industry. β-defensins are a part of the innate immune system and act as the first line of defense against mastitis in bovine. β-defensins (~6- 10kDa) are antimicrobial peptides that contain about 28 to 67 amino acids, the presence of six cysteine residues results in their three disulfide bonds and a β-sheet structure. A few β- defensins have been identified in cows based on the site of occurrence and time of expression in tissue, but not in milk. A …
Mammalian & Avian Community Response To African Elephant (Loxodonta Africana) Habitat Modification In Southeastern Kenya, Dakota Vaccaro
Mammalian & Avian Community Response To African Elephant (Loxodonta Africana) Habitat Modification In Southeastern Kenya, Dakota Vaccaro
Masters Theses & Specialist Projects
African elephants (Loxodonta africana) play a significant role in the modification of their habitat, foremost by decreasing woody vegetation cover and density and in some parts of Africa high elephant densities damage small sanctuaries and preserves. For wildlife that depend on forested patches, this increased modification could lead to displacement and/or decreases in abundance. If suitable habitat is not available elsewhere, elephants and other wildlife may move closer to humans in search of resources, which can result in increased human-wildlife conflict. Evaluating this impact was one of the goals of the Elephants and Sustainable Agriculture in Kenya (ESAK) …
Effects Of Exercise When Transitioning From Free Choice Tall Fescue (Lolium Arundinaceum) Grass Diet In Late Summer To Free Choice Tall Fescue Hay Diet In Late Fall On Plasma Fructosamine Concentrations, Insulin Levels, Body Weight, And Body Condition Scores Of Stock Horse Mares And Gelding, Riley Brown
Masters Theses & Specialist Projects
Equine exercise may influence a horse’s metabolic and physiological functions. Studies can help to prove this linkage, and to better understand the nutritional requirements of the horse. The parameters that are being evaluated are plasma-fructosamine concentrations, insulin levels, body weight (lbs.), and body condition score (BCS) as a measurement of obesity. Eight horses used in this study were split into two groups; Worked horses were exercised three times a week while the unworked horses were not exercised. All eight horses were fed an ad libitum diet of tall fescue grass and hay for 127 days.
Forage samples were collected to …
The Systems Measurement Of Mammalian Biotas, Part Two, Charles H. Smith, Patrick Georges, Ngoc Nguyen
The Systems Measurement Of Mammalian Biotas, Part Two, Charles H. Smith, Patrick Georges, Ngoc Nguyen
Faculty/Staff Personal Papers
For a recent publication, the authors identified a seven-region model of mammal family distribution patterns, in which each unit contributes equally to the system’s overall statistical characteristics of diversity, despite its individual units having measurably different levels of diversity and endemism. This systemization presents a highly efficient descriptive model that can possibly be interpreted as a form of natural classification. An additional analysis of the same mode is described here, in which the seven-region model of the distribution of mammal families’ spatial affinities is shown to closely approach a most-probable-state arrangement, as assessed through combinatorics, raising some important questions about …
Bibliography, Bruce A. Schulte
Bibliography, Bruce A. Schulte
Faculty/Staff Personal Papers
Bibliography of publications by Bruce Schulte.
Ua37/46 Charles Taylor Faculty/Staff Personal Papers, Wku Archives
Ua37/46 Charles Taylor Faculty/Staff Personal Papers, Wku Archives
WKU Archives Collection Inventories
Personal papers of Charles Taylor.
Liquid Chromatography With Tandem Mass Spectrometry Method Development For The Determination Of Β–Defensins In Bovine Milk, Symone T. Whalin
Liquid Chromatography With Tandem Mass Spectrometry Method Development For The Determination Of Β–Defensins In Bovine Milk, Symone T. Whalin
Masters Theses & Specialist Projects
Bovine mastitis, caused by a wide array of pathogens, results in a substantial economic loss for the dairy cattle livestock industry. β-defensins are a part of the bovine’s innate immune system and act as the first line of defense against mastitis. Only foundational research has been done on β-defensins’ ability to treat and prevent mastitis. There have been no analytical methods reported in the literature for analyzing β-defensins in bovine milk. This research aims to create an analytical approach to determine β-defensins in bovine milk. It is challenging to determine an analyte in a complex sample matrix, and milk is …
Alleviating Human-Elephant Conflict Through Deterrent Fences And Environmental Monitoring In Southern Kenya, Sophia Carmen Corde
Alleviating Human-Elephant Conflict Through Deterrent Fences And Environmental Monitoring In Southern Kenya, Sophia Carmen Corde
Masters Theses & Specialist Projects
Human-wildlife conflict is present across the world. In areas where human settlements overlap with elephant habitats, human-elephant conflict can result from crop raiding events, compromising farmers’ food and economic security, and putting humans and elephants in danger through farmer retaliation. Elephants raid crops primarily at night, when detection by humans is lowest, and during the dry season, as crops are developing towards harvest and natural forage quality drops. People living in these areas facing HEC have developed mitigation strategies to lessen the impacts and move towards coexistence. As a team member on the Elephants and Sustainable Agriculture in Kenya project, …
Kentucky Warbler (Vol. 98, No. 1), Kentucky Library Research Collections
Kentucky Warbler (Vol. 98, No. 1), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Changes In The Zooplankton Community In Barren River Lake (South Central Ky) Between 2008 And 2020, Laurel Philpott
Changes In The Zooplankton Community In Barren River Lake (South Central Ky) Between 2008 And 2020, Laurel Philpott
Mahurin Honors College Capstone Experience/Thesis Projects
Zooplankton are small aquatic animals that serve an important role in transferring energy from phytoplankton to higher trophic levels. The zooplankton community composition in Barren River Lake from 2008 and 2020 was compared. A field study was conducted to not only describe the seasonal population dynamics of zooplankton in Barren River Lake, but also to determine if an invasive zooplankton, Daphnia lumholtzi, was present. While D. lumholtzi was found throughout Barren River Lake in 2008, it was absent from both resampled sites in 2019 and 2020. This, along with erratic patterns of emergence in several other zooplankton species, indicates …
Effects Of Melatonin Implantation On The Activity Levels Of Captive Snow Buntings (Plectrophenax Nivalis), Zoë Ward
Mahurin Honors College Capstone Experience/Thesis Projects
In vertebrates, melatonin regulates many components of the circadian rhythm; depending on the organism’s location and time of year, the pineal gland will produce melatonin accordingly, controlling the sleep-wake cycle and breeding physiologies. However, locations at the poles in which the sun is above the horizon for multiple days at a time pose unique challenges for the organisms living there. The goal of this study was to examine how the implantation of melatonin in an arctic-breeding songbird affects its activity levels and circadian rhythm. The subject of this study, the snow bunting (Plectrophenax nivalis), is a small songbird …
Kentucky Warbler (Vol. 97, No. 4), Kentucky Library Research Collections
Kentucky Warbler (Vol. 97, No. 4), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Kentucky Warbler (Vol. 97, No. 3), Kentucky Library Research Collections
Kentucky Warbler (Vol. 97, No. 3), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
The Effect Of Freeze-Thaw Events On Dna Integrity In The Gray Treefrog (Hyla Versicolor), Georgia Ficarra
The Effect Of Freeze-Thaw Events On Dna Integrity In The Gray Treefrog (Hyla Versicolor), Georgia Ficarra
Masters Theses & Specialist Projects
Freeze-tolerant gray treefrogs survive winter by producing natural cryoprotectants and accommodating ice formation within extracellular spaces. While frozen, gray treefrogs endure hyperglycemia, dehydration, and anoxia due to the halt of all bodily functions. Upon thawing, the frogs’ anoxic cells receive a rapid influx of oxygen, which can cause oxidative damage to vital macromolecules including DNA. Previous studies have suggested freeze-tolerant frogs avoid oxidative damage after freeze-thaw events by elevating antioxidant activity, but recent work has shown upregulated DNA repair encoding genes in post-freeze frogs. The objective of this thesis is to assess the cellular costs of freezing by measuring oxidative …
Kentucky Warbler (Vol. 97, No. 2), Kentucky Library Research Collections
Kentucky Warbler (Vol. 97, No. 2), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Evaluation Of Supplementing Whole Cottonseed Within Feedlot Rations During The Stockerphase Of Production With The Goal Of Increasing Average Daily Gain, Emily Lauren Cook
Evaluation Of Supplementing Whole Cottonseed Within Feedlot Rations During The Stockerphase Of Production With The Goal Of Increasing Average Daily Gain, Emily Lauren Cook
Masters Theses & Specialist Projects
Beef calves are weaned at 6-months of age and enter the stocker phase of beef production. Stocker producers have the primary goal of adding weight inexpensively to increase profit on weaned calves. Whole cottonseed is an inexpensive feed ingredient that is popularly top-dressed within dairy and finishing beef diets and is high in protein and energy. During three periods lasting 50-days (fall 2019, fall 2020, and spring 2020), freshly weaned calves were placed on a finishing ration with the goal of increasing average daily gain. Base rations were calculated at 25% tall fescue hay, 23% corn, and 52% distillers’ solubles. …
Effect Of Supplemental Garlic On The Incidence Of Anemia In Horses, Victoria Willis
Effect Of Supplemental Garlic On The Incidence Of Anemia In Horses, Victoria Willis
Masters Theses & Specialist Projects
Garlic (Allium sativum L.) is a spice that has been used for centuries for medicinal purposes or flavoring in food. Garlic has also been commonly used as a fly and pest control for horses and is still commonly used for that purpose today. Recent research has shown garlic may cause Heinz body anemia in horses. The purpose of this study was to evaluate the incidence of Heinz body anemia in horses supplemented with varying rates of garlic. This study included 12 horses divided into 4 groups (control and 3 supplement rates: low (0.0625 g/kg), medium (0.125 g/kg), high (0.1875 g/kg)) …
Kentucky Warbler (Vol. 97, No. 1), Kentucky Library Research Collections
Kentucky Warbler (Vol. 97, No. 1), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Acoustic Communication In The Atlantic Mudskipper, Periopthalmus Barbarus, Seth Hoffman
Acoustic Communication In The Atlantic Mudskipper, Periopthalmus Barbarus, Seth Hoffman
Mahurin Honors College Capstone Experience/Thesis Projects
Mudskippers are intertidal fishes that can survive both in and out of the water. They are territorial and exhibit behaviors to attract mates and defend against competitors. Recently, it has been shown that vibrations are produced and transmitted through the mud during such displays in one species, Periophthalmodon septemradiatus. To see if similar vibrations are produced in other species of mudskippers, I recorded the behavioral interactions of pairs of the mudskipper Periophthalmus barbarus via digital video and acoustic signals via accelerometer. Comparative analysis of fish mass, sex, contest length, and contest outcome coupled with acoustic characteristics within dyadic pairings …
Dung Beetle (Scarabaeinae) Diversity Of The Highest Elevation In West Africa: The Nimba Mountain Range, Jacob Bowen
Dung Beetle (Scarabaeinae) Diversity Of The Highest Elevation In West Africa: The Nimba Mountain Range, Jacob Bowen
Mahurin Honors College Capstone Experience/Thesis Projects
The Nimba Mountain Range in Guinea, Ivory Coast, and Liberia is within the Upper Guinean Forests, a critical biodiversity hotspot highly threatened by various human activities. The region is home to many endemic species including the viviparous Nimba toad, Nimba otter-shrew, and the discrete Bossou chimpanzee population. Dung beetles can act as a focal taxon from which extrapolation to the diversity of other taxa and ecosystem health can be made. Elevational trends in dung beetle diversity were investigated on the Nimba Mountain Range and in the nearby Bossou Chimpanzee reserve in Guinea. Dung beetle species diversity surveys aimed to document …
Kentucky Warbler (Vol. 96, No. 4), Kentucky Library Research Collections
Kentucky Warbler (Vol. 96, No. 4), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Kentucky Warbler (Vol. 96, No. 3), Kentucky Library Research Collections
Kentucky Warbler (Vol. 96, No. 3), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Kentucky Warbler (Vol. 96, No. 2), Kentucky Library Research Collections
Kentucky Warbler (Vol. 96, No. 2), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Bodyweight Management And Relationship To Health In The Horse (Equus Caballus), Beverly Ann Gartland
Bodyweight Management And Relationship To Health In The Horse (Equus Caballus), Beverly Ann Gartland
Masters Theses & Specialist Projects
The health of the horse is of interest to animal caretakers. Horses that fall within a prescribed range of bodyweight and body condition may be healthier than horses that are lower or higher. Two studies were conducted related to body weight and condition of the horse. The first study examined if restricting the amount of space available for horses to graze could reduce bodyweight without having a strong impact on time budgets of the horse or removing horses from pasture. This method was determined to be effective in preventing weight gain, although there was an increase in grazing behavior displayed …
Howard, Wayne (Fa 1372), Manuscripts & Folklife Archives
Howard, Wayne (Fa 1372), Manuscripts & Folklife Archives
FA Finding Aids
Finding aid only for Folklife Archives Project 1372. Student folk studies project titled “The Blackbird Invasion of Logan County, Kentucky: An Oral History Account, in Human Terms, of a Current Problem” which includes interviews and a paper about the effects of blackbirds in Logan County, Kentucky. Interviews may include information about blackbird situation, informant’s name and address. The photos are stored in the WKU Photo Archives.
Motsinger, Mary Jo, (Fa 1370), Manuscripts & Folklife Archives
Motsinger, Mary Jo, (Fa 1370), Manuscripts & Folklife Archives
FA Finding Aids
Finding aid only for Folklife Archives Project 1370. Student folk studies project titled “Early Veterinary Practices” which includes survey sheets with brief descriptions of remedies for cattle and horses in Logan County and Todd County, Kentucky. Sheets may include a brief description of the folk remedy, traditional practice, and informant’s name.
Kentucky Warbler (Vol. 96, No. 1), Kentucky Library Research Collections
Kentucky Warbler (Vol. 96, No. 1), Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Kentucky Warbler (Vol. 96, No. 1) Appendix, Kentucky Library Research Collections
Kentucky Warbler (Vol. 96, No. 1) Appendix, Kentucky Library Research Collections
Kentucky Warbler
No abstract provided.
Campbell Collection (Mss 683), Manuscripts & Folklife Archives
Campbell Collection (Mss 683), Manuscripts & Folklife Archives
MSS Finding Aids
Finding aid only for Manuscripts Collection 683. Correspondence and papers primarily relating to the service of Elvis R. Campbell, Bowling Green, Kentucky, in the public works department of city government and at Detrex Corporation. Also includes account books/farm journals and business papers of his parents, John R. Campbell and Maggie (Brown) Campbell.