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Articles 1 - 30 of 71
Full-Text Articles in Life Sciences
Black Bear Population Health Monitoring In The Southeast, Kathleen Elizabeth Riese
Black Bear Population Health Monitoring In The Southeast, Kathleen Elizabeth Riese
Masters Theses
Recent growth of the American black bear (Ursus americanus) population in the southeast raises concerns about the potential spread of density-dependent diseases among bears, particularly sarcoptic mange. However, research on the health of bears in this area is limited. We analyzed samples from 169 bears in the region. We performed Knotts tests, skin scrapes, fecal floats; Canine adenovirus (CAV), canine parvovirus (CPV), canine distemper virus (CDV), and Toxoplasma gondii serology, Trypanosoma, Rickettsia rickettsii, and apicomplexan PCR, and identified ecto- and endoparasites found grossly or histologically. We found that 69% (63 of 91) had microfilaria; genetic analysis identified …
Evaluation Of Treatment Options And Investigation Of Pathogenesis Of Chytridiomycosis In North American Salamanders, Anastasia Elaine Towe
Evaluation Of Treatment Options And Investigation Of Pathogenesis Of Chytridiomycosis In North American Salamanders, Anastasia Elaine Towe
Doctoral Dissertations
Chytridiomycosis, a cutaneous fungal disease caused by two related fungi, Batrachochytrium dendrobatidis (Bd) and Batrachochytrium salamandrivorans (Bsal), is a major cause of amphibian population declines worldwide. Bd has a broad distribution, covering every continent except for Antarctica. Meanwhile, Bsal is currently restricted to Europe and Asia. Treatment options for both Bd and Bsal remain a major area of concern for wild populations. Recently, implants for long-term, parenteral antifungal drug administration have shown some promise in fungal diseases in wildlife. We investigated the safety and efficacy of an intracoelomic implant of the antifungal drug terbinafine in greater …
Predicting Immunization Status At Arrival In Tennessee Stocker Calves, Claire E. Hunkler
Predicting Immunization Status At Arrival In Tennessee Stocker Calves, Claire E. Hunkler
Masters Theses
Bovine respiratory disease is a multifaceted disease with agent, host, and environmental factors. Stocker calves are at high risk of contracting the disease through many stressors like weaning, transportation, commingling, etc. The purpose of this project was to test if externally observed physical characteristics of calves on arrival at a stocker facility can be used to predict calfhood vaccination status determined based on antibody titer levels. Knowledge of highly correlated characteristics could allow stocker operators to reduce the occurrence of BRD through targeted management strategies, thus lowering morbidity, mortality, and treatment costs. Ear notches, blood, and visual characteristics were collected …
Volume 17, Number 1 (Spring/Summer 2021), Ut Institute Of Agriculture
Volume 17, Number 1 (Spring/Summer 2021), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Prevalence Of Rats And Rodent Borne Pathogens Across Post-Katrina New Orleans, Bruno Marco Ghersi
Prevalence Of Rats And Rodent Borne Pathogens Across Post-Katrina New Orleans, Bruno Marco Ghersi
Doctoral Dissertations
Disasters are happening at an increasingly higher rate and intensity a trend that is expected to continue as more humans migrate to coastal urban areas. Disasters, and as importantly, disaster recovery can affect how native and pest populations will recover. My aim was to improve understanding of disease risk by evaluating the socioecological conditions that have shaped commensal rat recovery and distribution, as well as the pathogens they carry, across New Orleans after Hurricane Katrina. I first estimated relative abundance and distribution of commensal rats from rodent trapping conducted between mid-2014 and early-2017 across 96 sites in 10 areas of …
Volume 16, Number 1 (Spring/Summer 2020), Ut Institute Of Agriculture
Volume 16, Number 1 (Spring/Summer 2020), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 16, Number 2 (Fall/Winter 2020), Ut Institute Of Agriculture
Volume 16, Number 2 (Fall/Winter 2020), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 15, Number 1 (Spring/Summer 2019), Ut Institute Of Agriculture
Volume 15, Number 1 (Spring/Summer 2019), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 15, Number 2 (Fall/Winter 2019), Ut Institute Of Agriculture
Volume 15, Number 2 (Fall/Winter 2019), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 14, Number 1 (Spring/Summer 2018), Ut Institute Of Agriculture
Volume 14, Number 1 (Spring/Summer 2018), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 14, Number 2 (Fall/Winter 2018), Ut Institute Of Agriculture
Volume 14, Number 2 (Fall/Winter 2018), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Histomonas Elisa, Jessica L Martinez
Histomonas Elisa, Jessica L Martinez
EURēCA: Exhibition of Undergraduate Research and Creative Achievement
Histomonas meleagridis is a protozoan parasite of avians and is the causative agent in Histomonosis, commonly known as Blackhead Disease. Current methods for diagnosing the presence of H. meleagridis are limited to parasite culture or Polymerase Chain Reaction (PCR) to amplify target DNA. This project aims to develop an enzyme-linked immunosorbent assay (ELISA) for faster and more sensitive diagnosis of Histomonas infections. Cultures of H. meleagridis parasites were purified, and surface antigens were extracted using a spectrum of chemical solutions. The various antigen solutions were subjected to an ELISA, with serum from birds immunized for H. meleagridis as positive controls. …
Volume 13, Number 1 (Spring/Summer 2017), Ut Institute Of Agriculture
Volume 13, Number 1 (Spring/Summer 2017), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 13, Number 2 (Fall/Winter 2017), Ut Institute Of Agriculture
Volume 13, Number 2 (Fall/Winter 2017), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Follicular Dynamics In Insulin Resistant Mares, Julio Cesar Prado
Follicular Dynamics In Insulin Resistant Mares, Julio Cesar Prado
Masters Theses
Obesity and insulin resistance have been linked to prolonged interovulatory period, aberrations in the estrous cycle, and continuous reproductive activity during the non-breeding season. EMS has been determined to influence the intrafollicular environment of mare ovaries. In humans, insulin resistance has been linked to polycystic ovaries as part of Polycystic Ovarian Syndrome (PCOS). A study was conducted to determine 1) the impact of insulin resistance on follicle growth and size at ovulation, and 2) whether predicted ovulatory follicles respond to hCG administration in Insulin-resistant (IR) mares. Mares were selected for the study based on insulin sensitivity and separated into an …
Volume 12, Number 1 (Spring/Summer 2016), Ut Institute Of Agriculture
Volume 12, Number 1 (Spring/Summer 2016), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Expansion, Characterization, Differentiation, And Visualization Of Mc 3t3-E1 Preosteoblast Cells: An In Vitro Model To Study Bone Healing And Stem Cell-Mediated Regeneration, Jakob T. Samsel, Madhu Dhar, Austin Bow, Tom Masi
Expansion, Characterization, Differentiation, And Visualization Of Mc 3t3-E1 Preosteoblast Cells: An In Vitro Model To Study Bone Healing And Stem Cell-Mediated Regeneration, Jakob T. Samsel, Madhu Dhar, Austin Bow, Tom Masi
Chancellor’s Honors Program Projects
No abstract provided.
Identifying Genetic Factors In Streptococcus Uberis That Enable Evasion Of The Host Immune Response, Alexis Christine Burnham
Identifying Genetic Factors In Streptococcus Uberis That Enable Evasion Of The Host Immune Response, Alexis Christine Burnham
Chancellor’s Honors Program Projects
No abstract provided.
Volume 12, Number 2 (Fall/Winter 2016), Ut Institute Of Agriculture
Volume 12, Number 2 (Fall/Winter 2016), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Health Assessment Of Two Reintroduced Populations Of American Martens (Martes Americana) In Michigan, Maria Catherine Spriggs
Health Assessment Of Two Reintroduced Populations Of American Martens (Martes Americana) In Michigan, Maria Catherine Spriggs
Doctoral Dissertations
The American marten (Martes americana) was extirpated from Michigan during the early-20th century due to loss of vast areas of mature conifer forest and unregulated trapping. The species was reintroduced into the Upper Peninsula (UP) and Northern Lower Peninsula (NLP) during the mid-20th century. While the American marten population in the UP has grown and is doing well, the population in the NLP has been less successful. The reasons for the limited success of the NLP population are unknown, but may include lack of suitable habitat, limited reproductive success, poor genetic diversity, disease, or negative environmental impacts. American …
Epidemiology Of Select Species Of Filarial Nematodes In Free-Ranging Moose (Alces Alces) Of North America, Caroline Mae Grunenwald
Epidemiology Of Select Species Of Filarial Nematodes In Free-Ranging Moose (Alces Alces) Of North America, Caroline Mae Grunenwald
Doctoral Dissertations
North American moose (Alces alces) are a culturally and economically valued species. Recent population declines raise concern for the survivability of this natural resource. The Minnesota population has experienced the most dramatic decline, with a 60% loss in total numbers since 2006. Nematode parasites, particularly some species of filarids, are important pathogens of moose and could be contributing to morbidity and mortality. This study investigates the eco-epidemiology of two filarial parasites of moose: Rumenfilaria andersoni and Elaeophora schneideri. By surveying cervid species from six U.S. states, we discovered R. andersoni was present in moose from all sample locations …
Protective Effect Of Anti-Suam Antibodies On Streptococcus Uberis Mastitis, Raúl A. Almeida, Oudessa Kerro Dego, María E. Prado, Susan I. Headrick, Mark J. Lewis, Lydia J. Siebert, Gina M. Pighetti, Stephen P. Oliver
Protective Effect Of Anti-Suam Antibodies On Streptococcus Uberis Mastitis, Raúl A. Almeida, Oudessa Kerro Dego, María E. Prado, Susan I. Headrick, Mark J. Lewis, Lydia J. Siebert, Gina M. Pighetti, Stephen P. Oliver
Animal Science Publications and Other Works
In the present study, the effect of anti-recombinant Streptococcus uberis adhesion molecule (SUAM) antibodies against S. uberis intramammary infections (IMI) was evaluated using a passive protection model. Mammary quarters of healthy cows were infused with S. uberis UT888 opsonized with affinity purified anti-rSUAM antibodies or hyperimmune sera. Non-opsonized S. uberis UT888 were used as a control. Mammary quarters infused with opsonized S. uberis showed mild-to undetectable clinical symptoms of mastitis, lower milk bacterial counts, and less infected mammary quarters as compared to mammary quarters infused with non-opsonized S. uberis. These findings suggest that anti-rSUAM antibodies interfered with infection of …
Absorption And Utilization Of Choline And Vitamin B12 In Lactating Dairy Cows Using Different Delivery Methods, Virginia Maria Artegoitia Etcheverry
Absorption And Utilization Of Choline And Vitamin B12 In Lactating Dairy Cows Using Different Delivery Methods, Virginia Maria Artegoitia Etcheverry
Doctoral Dissertations
Choline and vitamin B12 are essential nutrients for growth and performances of production animals. However, both nutrients are extensively degraded during digestion in the rumen. This thesis comprised three experiments. First, four cows equipped with a rumen cannula and catheters in the portal vein and a mesenteric artery received a post-ruminal bolus of: 1) cyanocobalamin (CN-CBL) alone (0.1 g) [gram], 2) CN-CBL (0.1 g) + casein (10 g) or 3) CN-CBL (0.1 g) + whey proteins (10 g). After the bolus, blood samples were taken until 24 h [hour] post-bolus. The intestinal absorption of CN-CBL was greater when the vitamin …
Volume 11, Number 1 (Spring/Summer 2014), Ut Institute Of Agriculture
Volume 11, Number 1 (Spring/Summer 2014), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
The Spread And Potential Control Of Disease Across The Domestic Cattle-Wildlife Interface, Rachel Jackson
The Spread And Potential Control Of Disease Across The Domestic Cattle-Wildlife Interface, Rachel Jackson
Chancellor’s Honors Program Projects
No abstract provided.
Volume 10, Number 2 (Fall/Winter 2014), Ut Institute Of Agriculture
Volume 10, Number 2 (Fall/Winter 2014), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
Volume 10, Number 1 (Spring/Summer 2013), Ut Institute Of Agriculture
Volume 10, Number 1 (Spring/Summer 2013), Ut Institute Of Agriculture
Tennessee Land, Life and Science Magazine
Issue Highlights:
- The four pillars of the Institute of Agriculture
- Alumna forges partnership amid Waldo Canyon fire
- Fishery biologists revive a river
The Link, One Health, And Social Capital: A New Strategy For Empathy Education And Social Work, Phil Arkow
The Link, One Health, And Social Capital: A New Strategy For Empathy Education And Social Work, Phil Arkow
International Veterinary Social Work Summit
For 150 years, animal welfare and veterinary advocates have promoted a doctrine that animal welfare will be enhanced by teaching children kindness to animals and responsible animal husbandry practices. However, these efforts have been stymied by societal and professional perceptions that “animal” causes are less worthy than “human” services. Ten significant challenges have made it difficult, if not impossible, to gain access to educators’ curricula and social work training. In a society that continues to place humans’ interests above animals’, it is time to try a new approach that focuses on the human benefits of animal welfare. In particular, a …
Natural Dog Training Provides New Ways To Understand And Manage Stresses Of Canine Assistance Work, Jean Marie Thompson, Kevin Behan
Natural Dog Training Provides New Ways To Understand And Manage Stresses Of Canine Assistance Work, Jean Marie Thompson, Kevin Behan
International Veterinary Social Work Summit
Limiting dis-stress experienced by assisted therapy, crisis response, and combat comfort dogs is a concern of handlers, organizations, and researchers. Dogs communicate feelings via body language especially muzzle expressions and physical behaviors that people and other animals recognize. Projection of dis-stress by dogs negatively impacts therapeutic interactions, distracting and detracting from beneficial flow of feelings. Dog welfare is risked. Behan's Natural Dog Training ("NDT") presents an alternative paradigm for understanding dog dis-stress. NDT is an energy flow model that is different from but compatible with positive reinforcement techniques and attuned to Adrian Bejan's constructal law of nature, a physics principle. …
Compassion Fatigue Or Ethics Exhaustion?, Sonnya Dennis
Compassion Fatigue Or Ethics Exhaustion?, Sonnya Dennis
International Veterinary Social Work Summit
Compassion Fatigue or Ethics Exhaustion?
In veterinary practice, the diagnosis is critical for proper treatment. Different diseases can cause the same symptoms, and while palliative treatment is sometimes necessary, ideally we want prevention or cure. In this talk, I will speak from the experiential perspective of companion animal general practice about the very real and common problem of compassion fatigue, and why it is different from, and can mask, what I call Ethics Exhaustion. In brief, I define Ethics Exhaustion as the feeling of being powerless to even try to do what you think that you ethically should do, because …