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Articles 781 - 810 of 1110
Full-Text Articles in Animal Sciences
The Reality And Prevalence Of Animal Sentience, Antonio Damasio
The Reality And Prevalence Of Animal Sentience, Antonio Damasio
Animal Sentience
Rowan et al use findings from neurobiology, clinical neurology, and general biology to argue for the extensive presence of sentience in animals, but they are wisely cautious concerning when in the phylogenetic scale that emergence occurred.
Revisiting Donald Griffin, Founder Of Cognitive Ethology, Carolyn A. Ristau
Revisiting Donald Griffin, Founder Of Cognitive Ethology, Carolyn A. Ristau
Animal Sentience
Donald Griffin’s writings, beginning with The Question of Animal Awareness (1976), strove to persuade scientists to study the possibility of animal sentience, the basis of Rowan et al.’s efforts to promote animal well-being. Facing great hostility (but also some acceptance) for his ideas, Griffin initially avoided animal welfare advocacy, fearing it would further undermine his efforts to gain recognition of animal sentience. In later years, however, he began to ponder the ethical implications of animal sentience, intending to study wild elephants’ communication and social behavior to better understand their experienced life and apply it to improving conservation methods. As he …
Letter From The Dean, Jean-Francois Meullenet
Letter From The Dean, Jean-Francois Meullenet
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Letter From The Faculty Editor, Beth Kegley
Letter From The Faculty Editor, Beth Kegley
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Consumers' Perception Of Quality For Ladies' Swimwear Based On Price And Brand, Jennifer Avila, Laurie M. Apple, Lance M. Cheramie, Leigh Southward
Consumers' Perception Of Quality For Ladies' Swimwear Based On Price And Brand, Jennifer Avila, Laurie M. Apple, Lance M. Cheramie, Leigh Southward
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Consumers shop at multiple retailers for different needs, and it is understood that many choose a retailer for an experience and others will shop at another retailer for better savings. In a time where E-commerce is at an all-time high, retailers need to consider how they compare against online retailers in the apparel sector. In this study, three retailers were compared against one another since they are all swimwear competitors. As these retailers adjust to store and production shortages, it is important to understand how the quality of clothing will keep sales consistent. Consumers are likely to keep shopping at …
Effects Of Sunrise/Sunset Lighting On Corticosterone Levels In Coturnix Quail (Coturnix Coturnix), Hannah M. Feuerborn, Sara K. Orlowski
Effects Of Sunrise/Sunset Lighting On Corticosterone Levels In Coturnix Quail (Coturnix Coturnix), Hannah M. Feuerborn, Sara K. Orlowski
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Both genetics and environment play important roles in the growth, performance, and overall welfare of poultry species. Current commercial production practices typically do not mimic the natural environmental conditions of ancestral poultry species, specifically lighting. The current study aimed to evaluate the impact of genetics and the effect of sunrise/sunset lighting on the stress response of 4 genetic lines of Coturnix quail. The 4 lines utilized in this study included high stress (H), low stress (L), stress control (R), and Arkansas randombred (A) quail lines. Day old chicks from these lines were placed in one of two environmentally controlled rooms. …
Time Course Investigation Of The Dermal Leukocyte Response To Lipoteichoic Acid In Chickens, Ian M. Gilbert, Jossie M. Santamaria, Gisela F. Erf
Time Course Investigation Of The Dermal Leukocyte Response To Lipoteichoic Acid In Chickens, Ian M. Gilbert, Jossie M. Santamaria, Gisela F. Erf
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Lipoteichoic acid (LTA) is a cell-wall polymer in Gram-positive bacteria that stimulates inflammation. Few studies have investigated in vivo immune response to LTA, and none of the in vivo studies have been performed in birds. For this project, the pulp (a skin derivative) of growing feathers (GF) of chickens was used to investigate the in vivo effects of intradermally injected LTA. In Study 1, GF of chickens were injected with 10 μL of differing concentrations of LTA (0.1, 1.0, 10, 100 or 250 μg LTA/mL; 3 chickens/dose). Growing feathers were plucked before injection (0 h) and at 6, 24, 48, …
Student Perceptions Of Messages Regarding Genetically Modified Organisms Delivered Using Creative Media, Faith Mills, Casandra K. Cox
Student Perceptions Of Messages Regarding Genetically Modified Organisms Delivered Using Creative Media, Faith Mills, Casandra K. Cox
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The purpose of this study was to determine how communicating authentic agricultural information using an infographic affects Millennial and Generation Z students’ perceptions of genetically modified organisms (GMO) and to determine the perceptions of college students regarding the infographic used to convey agricultural messages. This study used survey research methods with open- and closed-ended questions administered through Qualtrics. The questionnaire was designed with five sections including a pre-questionnaire, content presentation, post-questionnaire, infographic perception questionnaire, and demographics section. All questions in the pre- and post- questionnaire were focused on the content found in the researcher developed infographic. Overall, participants increased accuracy …
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Nail Cortisol For Welfare Assessment In Shelter And Owned Cats, Minh Pham Quoc Anh
Nail Cortisol For Welfare Assessment In Shelter And Owned Cats, Minh Pham Quoc Anh
Chulalongkorn University Theses and Dissertations (Chula ETD)
Shelter cats are vulnerable to stress due to the challenging circumstances they face, including confinement, unfamiliar environments, people, and animals. This vulnerability often leads to welfare issues, emphasizing the importance of assessing and improving their well-being. Measuring cortisol levels, a stress hormone, from nails has emerged as a non-invasive method to evaluate the stress response in humans and other animals. This study aimed to apply nail cortisol for welfare assessment in cats by measuring and comparing nail cortisol concentrations (NCCs) of owned cats and shelter cats living in different conditions. Nails of 31 owned cats (OC), 29 shelter cats living …
Differentiating The Effects Of Two Non-Native Fish In The Turnbull National Wildlife Refuge, Sarah Richardson
Differentiating The Effects Of Two Non-Native Fish In The Turnbull National Wildlife Refuge, Sarah Richardson
EWU Masters Thesis Collection
This study seeks to determine the individual effects of two non-native fish, the brook stickleback, Culaea inconstans, and pumpkinseed, Lepomis gibbosus, on the aquatic invertebrates and food webs of Turnbull National Wildlife Refuge (TNWR). Ten ponds were analyzed and compared with stable isotope analysis and invertebrate abundance data. Three ponds were chosen to represent each of the following categories: fishless, brook stickleback invaded (BS), and coinvaded, along with a single pumpkinseed (PS) pond. Overall, δ[superscript]13C and δ[superscript]15N values increased in invaded ponds, indicating shifts in the zooplankton community structure and the carbon source of predatory invertebrates. Mean δ[superscript]13C was the …
Investigating How Bat Ectoparasites Influence The Skin Microbiome Diversity And Composition In Washington State Bats, Dana E. Colley
Investigating How Bat Ectoparasites Influence The Skin Microbiome Diversity And Composition In Washington State Bats, Dana E. Colley
EWU Masters Thesis Collection
White-Nose Syndrome (WNS), caused by the psychrophilic pathogenic fungus Pseudogymnoascus destructans (Pd), has killed millions of bats in the eastern United States since its initial introduction in 2006 and recent expansion into the western U.S. Understanding factors that contribute to the spread of Pd and risk of infection is crucial for management of WNS. Bat ectoparasites, including bat mites and bat flies, are omnipresent in bat populations, yet the relationship between these ectoparasites and bat health is still unknown. We examined the relationship between bat ectoparasites and the skin microbiome in relation to WNS infection risk in Washington State bats. …
The Role Of The Skin Microbiome In Amphibian Pathogen Susceptibility In Turnbull National Wildlife Refuge, Krista S. Dodd
The Role Of The Skin Microbiome In Amphibian Pathogen Susceptibility In Turnbull National Wildlife Refuge, Krista S. Dodd
EWU Masters Thesis Collection
The fungal pathogen, Batrachochytrium dendrobatidis (Bd), has led to the decline and extinction of many amphibian populations, but some bacteria in the skin microbiome can inhibit its growth. In Turnbull National Wildlife Refuge (TNWR) in eastern Washington, Bd is highly prevalent, but the role of the skin microbiome in Bd infection dynamics have not been examined in this region. We hypothesized that frogs with lower Bd infection intensities would have higher skin bacterial diversity and more abundant anti-Bd bacteria, indicative of a more protective function. Our study combined cultureindependent and culture-dependent methods to assess the relationship between Bd and the …
Population Assignment Of Entrained Migratory Westslope Cutthroat Trout In North Idaho, Craig D. Wells
Population Assignment Of Entrained Migratory Westslope Cutthroat Trout In North Idaho, Craig D. Wells
EWU Masters Thesis Collection
The Clark Fork-Pend Oreille River basin of northeastern Washington and the Idaho Panhandle historically supported a robust metapopulation of Westslope Cutthroat Trout (WCT) Oncorhynchus clarkii lewisi, a western native salmonid of high cultural and economic value. The construction of impassible hydroelectric dams and smaller in-stream barriers has prevented the return of migratory WCT to spawning tributaries, likely leading to the fragmentation of this metapopulation over the last 100 years. One such impassible barrier is Albeni Falls Dam near Newport, Washington. Completed without fish passage capabilities in 1955, Albeni Falls Dam has been of interest as a site for restoring fish …
Assessing The Behavioral Response Of Westslope Cutthroat Trout To Olfactory Cues In A Two-Choice Y-Maze, Hannah Marie Condron
Assessing The Behavioral Response Of Westslope Cutthroat Trout To Olfactory Cues In A Two-Choice Y-Maze, Hannah Marie Condron
EWU Masters Thesis Collection
The goal of this study was to determine which olfactory cues were most attractive to Westslope Cutthroat Trout Oncorhynchus clarkii lewisi (WCT) in a two-choice Y-maze. WCT used in this study were from Kings Lake and Paqua Creek in Pend Oreille County, Washington, and tested in 2018 and 2019. The different odorants tested in this study were population-specific pheromones produced by WCT from the same population, conspecific pheromones produced by WCT from the second population, and water obtained from each population’s natal stream. The water Kings Lake WCT were reared in for one year at the Spokane Hatchery was also …
The Comparison Of Three Different Fecal Egg Counting Techniques And Their Ability To Perform A Fecal Egg Count Reduction Test, Diana J. Summitt
The Comparison Of Three Different Fecal Egg Counting Techniques And Their Ability To Perform A Fecal Egg Count Reduction Test, Diana J. Summitt
Graduate Theses/Dissertations
A comprehensive gastrointestinal parasite control program includes an understanding of common parasites, application of chemotherapeutic agents, as well as frequent and appropriate diagnostic testing. An effective control program is essential for facilities such as animal shelters, that deal with large populations of transient canines with unknown parasite exposure and deworming history. The identification of a sensitive flotation method to evaluate anthelmintic efficacy is critical in monitoring parasite populations for drug resistance. The objective of the current study was to compare three different fecal egg counting technologies and their ability to perform a fecal egg reduction test. The flotation techniques evaluated …
Underwater Video As A Tool To Quantify Fish Density In Complex Coastal Habitats, Ronald Baker, Dakota Bilbrey, Aaron Bland, Frank D’Alonzo Iii, Hannah Ehrmann, Sharon Havard, Zoe Porter, Sarah Ramsden, Alexandra Rodriquez
Underwater Video As A Tool To Quantify Fish Density In Complex Coastal Habitats, Ronald Baker, Dakota Bilbrey, Aaron Bland, Frank D’Alonzo Iii, Hannah Ehrmann, Sharon Havard, Zoe Porter, Sarah Ramsden, Alexandra Rodriquez
University Faculty and Staff Publications
Habitat loss is a serious issue threatening biodiversity across the planet, including coastal habitats that support important fish populations. Many coastal areas have been extensively modified by the construction of infrastructure such as ports, seawalls, docks, and armored shorelines. In addition, habitat restoration and enhancement projects often include constructed breakwaters or reefs. Such infrastructure may have incidental or intended habitat values for fish, yet their physical complexity makes quantitatively sampling these habitats with traditional gears challenging. We used a fleet of unbaited underwater video cameras to quantify fish communities across a variety of constructed and natural habitats in Perdido and …
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences- Volume 23 2022, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences- Volume 23 2022, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Metabolomic Profiles Of Mammary Gland Secretion In Relation To Dam’S Weight, Litter Size, Parity Number, And Kid’S Growth In Black Bengal Goat, Tien Vo Thi Phuong
Metabolomic Profiles Of Mammary Gland Secretion In Relation To Dam’S Weight, Litter Size, Parity Number, And Kid’S Growth In Black Bengal Goat, Tien Vo Thi Phuong
Chulalongkorn University Theses and Dissertations (Chula ETD)
Black Bengal goat, a small size meat-type goat which is known to have high litter size and low milk yield. Kids born from high litter size dams are at high risk of mortality. Colostrum contains high quantities of nutrients, growth factors, and passive antibodies, and is essential for kid survival and development. However, metabolomic profiles of mammary secretion in goats are still limited. The aims of this study were to investigate metabolomic profiles of mammary secretion of purebred Black Bengal goats and their relationships regarding to litter size, parity, dam health, and kid growth. Forty-three colostrum samples (D0) were collected …
Effects Of Fingerroot (Boesenbergia Rotunda) Powder On Egg Performance, And Quality, Egg Yolk Malondialdehyde In Laying Hens, Miftah Nurfarid
Effects Of Fingerroot (Boesenbergia Rotunda) Powder On Egg Performance, And Quality, Egg Yolk Malondialdehyde In Laying Hens, Miftah Nurfarid
Chulalongkorn University Theses and Dissertations (Chula ETD)
This study aimed to determine the effect of fingerroot powder supplementation on the performance of laying hens, egg quality, and malondialdehyde in the egg yolk. A total of 192 Hy-Line brown laying hens aged 43 weeks were divided into four treatment groups with 48 hens in each group (8 replicates; 6 birds each). The treatments were the control (basal diet), basal diet supplemented with vitamin E at 250 mg/kg, basal diet plus 20 g fingerroot powder/kg, and basal diet plus 40 g fingerroot powder/kg. Performance parameters were analyzed in the following two experimental period: 1 to 3 week and 4 …
Gut Microbiome And Epigenetics Analysis Of Common Long-Tailed Macaque Macaca Fascicularis Fascicularis And Burmese Long-Tailed Macaque M. Fascicularis Aurea In Different Habitat Types, Raza Muhammad
Chulalongkorn University Theses and Dissertations (Chula ETD)
Macaca fascicularis (long-tailed macaques) occupy a wide habitat range in Southeast Asia and are divided into 10 subspecies. Among the 10 subspecies, M. f. fascicularis (Mff) encompassed the largest distribution, and M. f. aurea (Mfa) was the only Old-World monkey reported using stone as tools to forage encased food. Previous studies indicated the distinctive genetic characteristics between the two subspecies, and Mfa primarily inhabited coastal and estuary habitats to a greater extent than the overall Mff populations. Thus, the ecological conditions appeared to be conducive to natural selection of stone-tool use behavior. Based on the current interest in an association …
Influences Of Grazing On Habitat Characteristics, Avian Community Composition And Nesting Bird Abundance Within Cheyenne Bottoms, Ks, Kirsten Granstrom-Arndt
Influences Of Grazing On Habitat Characteristics, Avian Community Composition And Nesting Bird Abundance Within Cheyenne Bottoms, Ks, Kirsten Granstrom-Arndt
Master's Theses or Doctor of Nursing Practice
Cheyenne Bottoms is a 41,000-acre prairie-marsh ecosystem in central Kansas. Approximately 8,000 acres of mixed grassland are dedicated for the conservation of bird populations, but little is known about the status of bird communities within these areas. This study took place within grassland areas of Cheyenne Bottoms from May – July 2021. I investigated bird community composition, relative abundance of frequently observed bird species, vegetative characteristics, and similarity of sites across different grazing intensities (continuous, rotational, and non-grazed). The four most common bird species observed were dickcissel (Spiza americana), grasshopper sparrow (Ammodramus savannarum), meadowlark species ( …
Kinorhynch Diversity In The Southern Gulf Of Mexico And A Description Of Dracoderes Chaac Sp. Nov., Stephen C. Landers, Kellan Hoffman, Nuria Sanchez, Martin Sorensen
Kinorhynch Diversity In The Southern Gulf Of Mexico And A Description Of Dracoderes Chaac Sp. Nov., Stephen C. Landers, Kellan Hoffman, Nuria Sanchez, Martin Sorensen
Gulf and Caribbean Research
Sediment collections from the southern Gulf of Mexico between the Texas—Mexico border and the Yucatán Peninsula have resulted in many new kinorhynch species distribution records and the finding and taxonomic description of a new species, Dracoderes chaac sp. nov. This study focused on the non—echinoderid members of the Phylum Kinorhyncha, many of which are rare or restricted to only a few locations. A total of 136 specimens were identified from 24 sediment stations, distributed among the following species: Antygomonas gwenae, Campyloderes vanhoeffeni, Centroderes readae, Condyloderes flosfimbriatus, Co. rohalorum, Cristaphyes panamensis, Dracoderes chaac sp. nov., …
Life History Of Swordfish, Xiphias Gladius, Caught In The Northern Gulf Of Mexico, Anna K. Millender, Jeremy M. Higgs, Nancy J. Brown-Peterson, Michael J. Andres, James S. Franks
Life History Of Swordfish, Xiphias Gladius, Caught In The Northern Gulf Of Mexico, Anna K. Millender, Jeremy M. Higgs, Nancy J. Brown-Peterson, Michael J. Andres, James S. Franks
Gulf and Caribbean Research
The current study examined 93 Swordfish, Xiphias gladius, (64 females, 27 males, 2 unknown) ranging in size from 77.6–246.3 cm lower jaw fork length (LJFL) from the northern Gulf of Mexico (GOM). Samples were collected between March and August in 2005–2007, 2017–2019 and 2021. Age estimates of 51 Swordfish resulted in a maximum observed age of 11 years (205.0 cm LJFL) and 7 years (190.4 cm LJFL) for females and males, respectively. Observed and back—calculated length—at—age data were fitted to 4 growth models (2— and 3— parameter von Bertalanffy, Gompertz, and logistic). The 2—parameter von Bertalanffy was the model …
Editorial: Tick Saliva: Secret To Blood Feeding Success, Daniel E. Sonenshine, Patricia A. Nuttall, Sukanya Narasimhan
Editorial: Tick Saliva: Secret To Blood Feeding Success, Daniel E. Sonenshine, Patricia A. Nuttall, Sukanya Narasimhan
Biological Sciences Faculty Publications
No abstract provided.
Toxic Effects Of Silver Ions On Early Developing Zebrafish Embryos Distinguished From Silver Nanoparticles, Martha S. Johnson, Preeyaporn Songkiatisak, Pavan Kumar Cherukuri, Xiao-Hong Nancy Xu
Toxic Effects Of Silver Ions On Early Developing Zebrafish Embryos Distinguished From Silver Nanoparticles, Martha S. Johnson, Preeyaporn Songkiatisak, Pavan Kumar Cherukuri, Xiao-Hong Nancy Xu
Chemistry & Biochemistry Faculty Publications
Currently, effects of nanomaterials and their ions, such as silver nanoparticles (Ag NPs) and silver ions (Ag+), on living organisms are not yet fully understood. One of the vital questions is whether nanomaterials have distinctive effects on living organisms from any other conventional chemicals (e.g., their ions), owing to their unique physicochemical properties. Due to various experimental protocols, studies of this crucial question have been inconclusive, which hinders rational design of effective regulatory guidelines for safely handling NPs. In this study, we chronically exposed early developing zebrafish embryos (cleavage-stage, 2 hours post-fertilization, hpf) to a dilution series of …
The Acute Physiological Response Of Polar Bears To Helicopter Capture, John P. Whiteman, Henry J. Harlow, George M. Durner, Eric V. Regehr, Steven C. Amstrup, Anthony M. Pagano, Merav Ben-David
The Acute Physiological Response Of Polar Bears To Helicopter Capture, John P. Whiteman, Henry J. Harlow, George M. Durner, Eric V. Regehr, Steven C. Amstrup, Anthony M. Pagano, Merav Ben-David
Biological Sciences Faculty Publications
Many wildlife species are live captured, sampled, and released; for polar bears (Ursus maritimus) capture often requires chemical immobilization via helicopter darting. Polar bears reduce their activity for approximately 4 days after capture, likely reflecting stress recovery. To better understand this stress, we quantified polar bear activity (via collar‐mounted accelerometers) and body temperature (via loggers in the body core [Tabd] and periphery [Tper]) during 2–6 months of natural behavior, and during helicopter recapture and immobilization. Recapture induced bouts of peak activity higher than those that occurred during natural behavior for 2 of 5 bears, …
All-Inclusive Coral Reef Restoration: How The Tourism Sector Can Boost Restoration Efforts In The Caribbean, Macarena Blanco-Pimentel, Nicolas R. Evensen, Camilo Cortés-Useche, Johanna Calle-Triviño, Daniel J. Barshis, Victor Galván, Erika Harms, Megan K. Morikawa
All-Inclusive Coral Reef Restoration: How The Tourism Sector Can Boost Restoration Efforts In The Caribbean, Macarena Blanco-Pimentel, Nicolas R. Evensen, Camilo Cortés-Useche, Johanna Calle-Triviño, Daniel J. Barshis, Victor Galván, Erika Harms, Megan K. Morikawa
Biological Sciences Faculty Publications
Following a strong decline in the health of Caribbean coral reefs in the 1970s, disease outbreaks, overfishing, and warming events have continued to push these reefs towards a point of no return. As such, researchers and stakeholders have turned their attention to restoration practices to overcome coral recovery bottlenecks on Caribbean reefs. However, successful restoration faces many challenges, including economical and logistical feasibility, long-term stability, and biological and ecological factors yet to fully understand. The tourism sector has the potential to enhance and scale restoration efforts in the Caribbean, beyond simple financial contributions. Its strengths include long-term presence in several …
Trace Mineral Source And Inclusion Level On Wean-To-Finish Pig Production, Marissa Larosae
Trace Mineral Source And Inclusion Level On Wean-To-Finish Pig Production, Marissa Larosae
Electronic Theses and Dissertations
Trace mineral requirements to optimize production for swine are not well defined, leading to excess trace mineral supplementation in swine diets and ultimately to excess trace minerals excreted in swine manure. Potential strategies to reduce the waste of excess trace minerals in diets include utilizing organic sources with higher bioavailability or reducing the overall trace mineral supplementation in the diet. Two studies were conducted in an effort to determine if utilizing organic trace minerals or reducing trace mineral inclusion into diets has an impact on overall performance measurements for nursery and grow-finish pigs, respectively. The first experiment utilized 1,144 weaned …
Snake Reciprocation In Terms Of Classical Conditioning: Scent And Auditory Stimuli, Zeina Y. Ghanem
Snake Reciprocation In Terms Of Classical Conditioning: Scent And Auditory Stimuli, Zeina Y. Ghanem
Undergraduate Research Awards
This study explores the classical conditioning of a snake in order to understand and interpret the physiological responses and behavior exhibited regarding experimental design. The conditioning process involves scent and auditory stimuli where the snake is exposed to running water sounds and a mouse scent. The purpose of this research study is to examine how the snake will later associate the scent of the mouse to the sound and how it would react when sound is the only stimuli administered. The type of snake species used was a young Brook’s Kingsnake. The snake was placed in a test tank and …