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Generation And Printing Of Strictly Monodisperse Droplets, Hongxu Duan Jan 2013

Generation And Printing Of Strictly Monodisperse Droplets, Hongxu Duan

Electronic Theses and Dissertations

Highly monodisperse droplets are attracting great attention both in many research areas, such as aerosol science, combustion, and Nano-manufacturing. This thesis invents a novel aerosol generator: “Periodic Electro Hydro-dynamic Chopper” termed as “PEHD chopper”, and develops a new method to directly print micro-patterns with monodisperse droplets. The principle of the PEHD chopper is to use the fringe electric field of a capacitor to introduce controlled perturbation on a liquid jet. We first derived the governing equations for a circular inviscid liquid jet under transverse electric fields. The electric fields were obtained through numerical simulation. Then we used a high speed …


Integrating Multiobjective Optimization With The Six Sigma Methodology For Online Process Control, Emad Abualsauod Jan 2013

Integrating Multiobjective Optimization With The Six Sigma Methodology For Online Process Control, Emad Abualsauod

Electronic Theses and Dissertations

Over the past two decades, the Define-Measure-Analyze-Improve-Control (DMAIC) framework of the Six Sigma methodology and a host of statistical tools have been brought to bear on process improvement efforts in today’s businesses. However, a major challenge of implementing the Six Sigma methodology is maintaining the process improvements and providing real-time performance feedback and control after solutions are implemented, especially in the presence of multiple process performance objectives. The consideration of a multiplicity of objectives in business and process improvement is commonplace and, quite frankly, necessary. However, balancing the collection of objectives is challenging as the objectives are inextricably linked, and, …


Speech Detection Using Gammatone Features And One-Class Support Vector Machine, Douglas Cooper Jan 2013

Speech Detection Using Gammatone Features And One-Class Support Vector Machine, Douglas Cooper

Electronic Theses and Dissertations

A network gateway is a mechanism which provides protocol translation and/or validation of network traffic using the metadata contained in network packets. For media applications such as Voice-over-IP, the portion of the packets containing speech data cannot be verified and can provide a means of maliciously transporting code or sensitive data undetected. One solution to this problem is through Voice Activity Detection (VAD). Many VAD’s rely on time-domain features and simple thresholds for efficient speech detection however this doesn’t say much about the signal being passed. More sophisticated methods employ machine learning algorithms, but train on specific noises intended for …


Gpu Ray Traced Rendering And Image Fusion Based Visualization Of Urban Terrain For Enhanced Situation Awareness, Lingling Sik Jan 2013

Gpu Ray Traced Rendering And Image Fusion Based Visualization Of Urban Terrain For Enhanced Situation Awareness, Lingling Sik

Electronic Theses and Dissertations

Urban activities involving planning, preparing for and responding to time critical situations often demands sound situational awareness of overall settings. Decision makers, who are tasked to respond effectively to emergencies, must be equipped with information on the details of what is happening, and must stay informed with updates as the event unfolds and remain attentive to the extent of impact the dynamics of the surrounding settings might have. Recent increases in the volumes of geo-spatial data such as satellite imageries, elevation maps, street-level photographs and real-time imageries from remote sensory devices affect the way decision makers make assessments in time-critical …


Life Cycle Sustainability Assessment Framework For The U.S. Built Environment, Murat Kucukvar Jan 2013

Life Cycle Sustainability Assessment Framework For The U.S. Built Environment, Murat Kucukvar

Electronic Theses and Dissertations

The overall goals of this dissertation are to investigate the sustainability of the built environment, holistically, by assessing its Triple Bottom Line (TBL): environmental, economic, and social impacts, as well as propose cost-effective, socially acceptable, and environmentally benign policies using several decision support models. This research is anticipated to transform life cycle assessment (LCA) of the built environment by using a TBL framework, integrated with economic input-output analysis, simulation, and multicriteria optimization tools. The major objectives of the outlined research are to (1) build a system-based TBL sustainability assessment framework for the sustainable built environment, by (a) advancing a national …


Self-Assembled Two-Component Organic Tubes: Structures And Applications, Wenlang Liang Jan 2013

Self-Assembled Two-Component Organic Tubes: Structures And Applications, Wenlang Liang

Electronic Theses and Dissertations

Bile acids are physiologically important metabolites, which are synthesized in liver as the end products of cholesterol metabolism and then secreted into the intestines. They play a critical role in the digestion and absorption of fats and fat-soluble vitamins through emulsifications. The amphipathic and chiral nature of bile acids makes their unique building blocks for assembling supramolecular structures including vesicles, fibers, ribbons and hollow tubes. Lithocholic acid (LCA) is a secondary bile acid. Our studies show LCA can selfassemble into helical tubes in aqueous solution by the linear aggregation and fusion of vesicles. The objective of this dissertation is to …


Ozone And Gac Treatment Of A Central Florida Groundwater For Sulfide And Disinfectant By-Product Control, Tara Lamoureux Jan 2013

Ozone And Gac Treatment Of A Central Florida Groundwater For Sulfide And Disinfectant By-Product Control, Tara Lamoureux

Electronic Theses and Dissertations

This study evaluated the combination of ozone and granular activated carbon (GAC) treatment for the removal of sulfide and disinfection byproduct (DBP) precursors in drinking water at the pilot-scale. The research conducted was performed at the Auxiliary (Aux) and Main Water Treatment Plants (WTPs) in Sanford, Florida. Both WTPs rely upon groundwater sources that contain total sulfide ranging from 0.02 to 2.35 mg/L and total organic carbon (TOC) ranging from 0.61 to 2.20 mg/L. The Aux WTP’s raw water contains, on average, 88% more sulfide and 24% more TOC than the Main WTP. Haloacetic acids (HAA5) and total trihalomethanes (TTHMs) …


Load Estimation For Electric Power Distribution Networks, Chiebuka Eyisi Jan 2013

Load Estimation For Electric Power Distribution Networks, Chiebuka Eyisi

Electronic Theses and Dissertations

In electric power distribution systems, the major determinant in electricity supply strategy is the quantity of demand. Customers need to be accurately represented using updated nodal load information as a requirement for efficient control and operation of the distribution network. In Distribution Load Estimation (DLE), two major categories of data are utilized: historical data and direct real-time measured data. In this thesis, a comprehensive survey on the state-of-the-art methods for estimating loads in distribution networks is presented. Then, a novel method for representing historical data in the form of Representative Load Curves (RLCs) for use in realtime DLE is also …


Mama’S Boy Is Daddy’S Girl: Eccentric Gender Performance In Johann Heinrich Jung-Stilling's Heinrich Stillings Jugend, Jünglingsjahre, Wanderschaft Und Häusliches Leben, Eckhard Rolz Jan 2013

Mama’S Boy Is Daddy’S Girl: Eccentric Gender Performance In Johann Heinrich Jung-Stilling's Heinrich Stillings Jugend, Jünglingsjahre, Wanderschaft Und Häusliches Leben, Eckhard Rolz

School of American and Global Studies Faculty Publications with a Focus on Modern Languages and Global Studies

In Heinrich Stillings Jugend, Jünglingsjahre, Wanderschaft und häusliches Leben the reader is confronted with ungendered boys, crossing of gender boundaries, and reversal of gender roles. A son becomes his father’s substitute wife, morphs into his own mother, and has to metaphorically give birth to his own self. As a result of his gender performance he is ill prepared for life and becomes a complete failure. This paper explores the lack of Heinrich’s gendering during his formative years, his performance of gender for his father, and the father’s scandalous exploitation of his son.


Jefferson Alumni Bulletin – Volume 62, Number 1, Winter 2013 Jan 2013

Jefferson Alumni Bulletin – Volume 62, Number 1, Winter 2013

The Bulletin (formerly the Jefferson Medical College Alumni Bulletin)

Features:

Departments:

  • Dean's Column
  • Findings: Targeting Dual Roles of PARP-1 May Slow Cancer Growth
  • Faculty Profile: Robert L. Brent, MD, PhD: An International Authority on Congenital Disorders
  • On Campus
  • Alumna Profile: Cynthia L. Sears, MD ’77: A Life’s Work Inspired by Service Overseas
  • Class Notes
  • In Memoriam
  • By the Numbers


Trauma And Children: A Call To Action In School Psychology., Steven Little, Angeleque Akin-Little Jan 2013

Trauma And Children: A Call To Action In School Psychology., Steven Little, Angeleque Akin-Little

Walden Faculty and Staff Publications

Unfortunately, it is not uncommon for children or adolescents to be exposed to traumatic events. Experiences such as sexual or physical abuse, severe accidents, cancer or other life threatening illness, natural or man-made disasters, or the sudden death of a relative or peer can all result in maladaptive responses. As all children are in attendance at schools, this location seems the most logical place to meet the needs of children who have experienced these types of events. Therefore, it is imperative that psychologists working in schools have training in meeting the needs of this segment of the population. This manuscript …


Exploring The Gender-Specific Needs Of Female Refugees During Resettlement And Integration: A Case Study In Pittsburgh, Kristina Sue Kimura Jan 2013

Exploring The Gender-Specific Needs Of Female Refugees During Resettlement And Integration: A Case Study In Pittsburgh, Kristina Sue Kimura

Electronic Theses and Dissertations

Recently Pittsburgh has experienced a noticeable increase in the number of incoming refugees, which has put added pressure on local service providers to develop more efficient resettlement practices. While female refugee's experiences have been largely ignored, this study attempts to better understand the gender-specific needs of female refugees who resettle and integrate into Pittsburgh. I used Ager and Strang's (2004) Indicators of Integration framework, with a focus on the indicators of "employment," "social bridges," "language and culture," and "rights and citizenship," and adapted it to a gendered perspective to analyze data from two focus group sessions with 11 refugee women …


2013-2014 Nova Southeastern University Undergraduate Student Catalog, Nova Southeastern University Jan 2013

2013-2014 Nova Southeastern University Undergraduate Student Catalog, Nova Southeastern University

Undergraduate Programs Course Catalogs

No abstract provided.


Undergraduate Student Catalog 2013-2014, Nova Southeastern University Jan 2013

Undergraduate Student Catalog 2013-2014, Nova Southeastern University

Undergraduate Programs Course Catalogs

No abstract provided.


White Bass Assessment In Regards To Changes In Water Level On Lake Traverse, Aaron Wilson Jan 2013

White Bass Assessment In Regards To Changes In Water Level On Lake Traverse, Aaron Wilson

Journal of Earth and Life Science

Until recently the white bass Morone chrysops has been somewhat ignored by anglers, more so in Minnesota than other states; most likely due to their limited distribution throughout the state. However, with more anglers becoming aware of the sporting and culinary potentials of white bass, interests have risen. With this rise in angler interest, there should be a rise in white bass assessments. Knowing what factors may be influencing white bass population dynamics will allow fisheries professionals to better manage and protect white bass fisheries. White bass are often found in rivers and impoundments were dams are present and water …


Environmental Factors Influencing Epidemic Cholera, Antarpreet Jutla, Elizabeth Whitcombe, Nur Hasan, Bradd Haley, Ali S. Akanda, Anwar Hug, Munir Alam, R. Bradley Sack, Rita Colwell Jan 2013

Environmental Factors Influencing Epidemic Cholera, Antarpreet Jutla, Elizabeth Whitcombe, Nur Hasan, Bradd Haley, Ali S. Akanda, Anwar Hug, Munir Alam, R. Bradley Sack, Rita Colwell

Civil & Environmental Engineering Faculty Publications

Cholera outbreak following the earthquake of 2010 in Haiti has reaffirmed that the disease is a major public health threat. Vibrio cholerae is autochthonous to aquatic environment, hence, it cannot be eradicated but hydroclimatology-based prediction and prevention is an achievable goal. Using data from the 1800s, we describe uniqueness in seasonality and mechanism of occurrence of cholera in the epidemic regions of Asia and Latin America. Epidemic regions are located near regional rivers and are characterized by sporadic outbreaks, which are likely to be initiated during episodes of prevailing warm air temperature with low river flows, creating favorable environmental conditions …


Assessing Wolves And Cougars As Conservation Surrogates, Kyran E. Kunkel, T. C. Atwood, T. K. Ruth, Daniel H. Pletscher, M. G. Hornocker Jan 2013

Assessing Wolves And Cougars As Conservation Surrogates, Kyran E. Kunkel, T. C. Atwood, T. K. Ruth, Daniel H. Pletscher, M. G. Hornocker

United States Department of Agriculture Wildlife Services: Staff Publications

Large carnivores have been posited as potential conservation surrogates to inform the design and prioritization of conservation planning. We show that wolves Canis lupus and cougars Puma concolor may have potential to serve as a surrogate suite for conserving landscape heterogeneity, hypothesized to be a determinant of biodiversity in some landscapes. We examined habitat and landscape features associated with the spatial distribution of wolf- and cougar-killed prey in the basin of the North Fork of the Flathead River in Montana. The spatial distribution of wolf-killed prey was driven largely by cover type, whereas physiographic characteristics were the primary driver of …


Effectiveness Of Cattle Operated Bump Gates And Exclusion Fences In Preventing Ungulate Multi-Host Sanitary Interaction, J.A. A. Barasona, K. C. Vercauteren, N. Saklou, C. Gortazar, J. Vicente Jan 2013

Effectiveness Of Cattle Operated Bump Gates And Exclusion Fences In Preventing Ungulate Multi-Host Sanitary Interaction, J.A. A. Barasona, K. C. Vercauteren, N. Saklou, C. Gortazar, J. Vicente

United States Department of Agriculture Wildlife Services: Staff Publications

Tuberculosis (TB) is endemic in Eurasian wild boar (Sus scrofa) and red deer (Cervus elaphus) in south central Spain, where evidence suggests transmission to domestic cattle. Known risk factors for TB at the interface between livestock and wild ungulate species include density and spatial overlap, particularly around waterholes during summer. We evaluated the effectiveness of selective exclusion measures for reducing direct and indirect interaction between extensive beef cattle and wild ungulates at waterholes as an alternative for the integrated control of TB. We first monitored 6 water points (WP) with infrared-triggered cameras at a TB positive …


Use Of Patch Selection Models As A Decision Support Tool To Evaluate Mitigation Strategies Of Human–Wildlife Conflict, Sharon Baruch-Mordo, Colleen T. Webb, Stewart W. Breck, Kenneth R. Wilson Jan 2013

Use Of Patch Selection Models As A Decision Support Tool To Evaluate Mitigation Strategies Of Human–Wildlife Conflict, Sharon Baruch-Mordo, Colleen T. Webb, Stewart W. Breck, Kenneth R. Wilson

United States Department of Agriculture Wildlife Services: Staff Publications

Human-dominated landscapes offer spatially concentrated and reliable food resources that attract wildlife and lead to human–wildlife conflicts. Conflict management is often directed at humans (e.g., education) to reduce attractants, or foraging benefits to wildlife, or at wildlife (e.g., hazing) to increase foraging costs; but strategies can be expensive and ineffective. Because a key driver of conflict is the pursuit of food by wildlife, we used patch selection models, a dynamic, state-dependent modeling approach based on foraging theory, to assess how benefit reduction and cost increase resulting from conflict mitigation affect wildlife foraging decisions. We applied the patch selection models to …


Wildlife In Airport Environments: Chapter 13 Radar Technology To Monitor Hazardous Birds At Airports, Sidney A. Gauthreaux Jr., Paige M. Schmidt Jan 2013

Wildlife In Airport Environments: Chapter 13 Radar Technology To Monitor Hazardous Birds At Airports, Sidney A. Gauthreaux Jr., Paige M. Schmidt

United States Department of Agriculture Wildlife Services: Staff Publications

Bird strikes are the most common wildlife hazard to aviation safety (Dolbeer et ale 2000). Advances in habitat management at airports through the elimination and reduction of attractants, in combination with hazing and lethal control, have reduced avian hazards < 152 m (500 feet) above ground level. Bird strikes above this altitude, however, are beyond the limits of traditional wildlife control techniques (Dolbeer 2011). Traditional avian survey methods used to monitor birds at airports (Cleary and Dolbeer 2005; Chapter 14) often fail to provide essential information on local bird activity and migration at higher altitudes, hazardous bird use of attractants near airports, and bird activity at night-information that could be provided by the strategic use of radar technology at and near airports (Dolbeer 2006).


Nwrc Annual Publications List – 2013 Jan 2013

Nwrc Annual Publications List – 2013

United States Department of Agriculture Wildlife Services: Staff Publications

No abstract provided.


Do Native Warm-Season Grasslands Near Airports Increase Bird Strike Hazards?, Jason A. Schmidt, Brian E. Washburn, Travis L. Devault, Thomas W. Seamans, Paige M. Schmidt Jan 2013

Do Native Warm-Season Grasslands Near Airports Increase Bird Strike Hazards?, Jason A. Schmidt, Brian E. Washburn, Travis L. Devault, Thomas W. Seamans, Paige M. Schmidt

United States Department of Agriculture Wildlife Services: Staff Publications

Bird aircraft collisions (bird strikes) are a recognized safety hazard and land uses that attract birds hazardous to aircraft should be avoided on and near airports. Many airfields contain large areas of anthropogenic grassland habitats, often dominated by cool season grasses. Land managed as native warm season grasses (NWSG) potentially could increase bird strike hazards on and near airports by attracting hazardous birds and harboring small mammals that are prey for hazardous raptors. We investigated bird and small mammal communities at three NWSG areas and three adjacent on airfield grassland areas in western Ohio, U.S.A. to determine whether NWSG increased …


New World Bats Harbor Diverse Influenza A Viruses, Suxiang Tong, Xueyong Zhu, Yan Li, Mang Shi, Jing Zhang, Melissa Bourgeois, Hua Yang, Xianfeng Chen, Sergio Recuenco, Jorge Gomez, Li-Mei Chen, Adam Johnson, Ying Tao, Cyrille Dreyfus, Wenli Yu, Ryan Mcbride, Paul J. Carney, Amy T. Gilbert, Jessie Chang, Zhu Guo, Charles T. Davis, James C. Paulson, James Stevens, Charles E. Rupprecht, Edward C. Holmes, Ian A. Wilson, Ruben O. Donis Jan 2013

New World Bats Harbor Diverse Influenza A Viruses, Suxiang Tong, Xueyong Zhu, Yan Li, Mang Shi, Jing Zhang, Melissa Bourgeois, Hua Yang, Xianfeng Chen, Sergio Recuenco, Jorge Gomez, Li-Mei Chen, Adam Johnson, Ying Tao, Cyrille Dreyfus, Wenli Yu, Ryan Mcbride, Paul J. Carney, Amy T. Gilbert, Jessie Chang, Zhu Guo, Charles T. Davis, James C. Paulson, James Stevens, Charles E. Rupprecht, Edward C. Holmes, Ian A. Wilson, Ruben O. Donis

United States Department of Agriculture Wildlife Services: Staff Publications

Aquatic birds harbor diverse influenza A viruses and are a major viral reservoir in nature. The recent discovery of influenza viruses of a new H17N10 subtype in Central American fruit bats suggests that other New World species may similarly carry divergent influenza viruses. Using consensus degenerate RT-PCR, we identified a novel influenza A virus, designated as H18N11, in a flat-faced fruit bat (Artibeus planirostris) from Peru. Serologic studies with the recombinant H18 protein indicated that several Peruvian bat species were infected by this virus. Phylogenetic analyses demonstrate that, in some gene segments, New World bats harbor more influenza …


Lanslide Ecology: Cover, Contents, Preface, Lawrence R. Walker, Aaron B. Shiels Jan 2013

Lanslide Ecology: Cover, Contents, Preface, Lawrence R. Walker, Aaron B. Shiels

United States Department of Agriculture Wildlife Services: Staff Publications

Despite their often dangerous and unpredictable nature, landslides provide fascinating templates for studying how soil organisms, plants, and animals respond to such destruction. The emerging field oflandslide ecology helps us to understand these responses, aiding slope stabilization and restoration and contributing to progress made in geological approaches to landslide prediction and mitigation.

Summarizing the growing body ofliterature on the ecological consequences of landslides, this book provides a framework for the promotion of ecological tools in predicting, stabilizing, and restoring biodiversity to landslide scars at both local and landscape scales. It explores nutrient cycling; soil development; and how organisms disperse, colonize, …


Chapter 6 Living With Landslides For Landslide Ecology, Lawrence R. Walker, Aaron B. Shiels Jan 2013

Chapter 6 Living With Landslides For Landslide Ecology, Lawrence R. Walker, Aaron B. Shiels

United States Department of Agriculture Wildlife Services: Staff Publications

1. Human interactions with landslides have become more frequent and lethal as our populations expand into less stable terrain. This trend suggests that we must better understand what causes landslides and how to mitigate future damage.

2. Disturbances created by road construction, urban expansion, forestry, and agriculture are major contributors to anthropogenic landslides, and each has increased in frequency during the last several decades.

3. The field of landslide risk assessment is growing rapidly, and many new mapping and modeling tools are addressing how to predict landslide frequency and severity. Mitigation of landslide damage is also improving, particularly when new …


Spatial Ecology Of Urban Raccoons In Northeastern Ohio: Implications For Oral Rabies Vaccination, Are R. Berentsen, Mike R. Dunbar, Chadd E. Fitzpatrick, W. David Walter Jan 2013

Spatial Ecology Of Urban Raccoons In Northeastern Ohio: Implications For Oral Rabies Vaccination, Are R. Berentsen, Mike R. Dunbar, Chadd E. Fitzpatrick, W. David Walter

United States Department of Agriculture Wildlife Services: Staff Publications

In 1977, rabies was detected in a raccoon (Procyon lotor) in West Virginia, and since the mid-1980s raccoon variant rabies has spread throughout the eastern United States and moved west as far as the eastern edge of Cleveland, Ohio. The primary tool to combat this spread is the distribution of oral rabies vaccine (ORV) baits. A thorough knowledge of raccoon space use is critical in determining bait placement, particularly in urban areas. We monitored nine raccoons in urban areas of Cleveland, Ohio, calculated home range sizes, monitored raccoon movement with respect to potential movement barriers, and used resource …


Managing Airport Stormwater To Reduce Attraction To Wildlife, Bradley F. Blackwell, David Felstul, Thomas W. Seamans Jan 2013

Managing Airport Stormwater To Reduce Attraction To Wildlife, Bradley F. Blackwell, David Felstul, Thomas W. Seamans

United States Department of Agriculture Wildlife Services: Staff Publications

An airport is a component of the landscape. contributing to and subject to local- and landscapelevel factors that affect wildlife populations and the hazards that these species pose to aviation (Blackwell et al. 2009, Martin et al. 2011). Water resources at and near an airport, in the form of both surface water and contained runoff, are recognized by the Federal Aviation Administration (FAA) as potential attractants to wildlife that pose hazards to aviation safety (FAA 2007). Surface water, including aboveground stormwater detention/retention facilities (see U.S. Environmental Protection Agency 2006). can represent a substantial proportion of the area within siting criteria …


Bat Incidents With U.S. Civil Aircraft, Kristen M. Biondi, Jerrold L. Belant, Travis L. Devault, James A. Martin, Guiming Wang Jan 2013

Bat Incidents With U.S. Civil Aircraft, Kristen M. Biondi, Jerrold L. Belant, Travis L. Devault, James A. Martin, Guiming Wang

United States Department of Agriculture Wildlife Services: Staff Publications

Wildlife collisions with aircraft (hereafter incidents) threaten human safety and cause substantial economic loss. Although more than 97% of wildlife incidents with U.S. civil aircraft involve birds, damage is more than 4.5 times more likely to occur during a mammal incident (e.g., deer, canids). Bats are the only mammals with the potential to be struck by aircraft outside the airport environment (at least 152.4 m above ground). We examined the Federal Aviation Administration’s (FAA) National Wildlife Strike Database from 1990 to 2010 to estimate the frequency of bat incidents with aircraft within the U.S. and the risk relative to other …


Conclusions And Future Directions, Jerrold L. Belant, Travis L. Devault, Bradley F. Blackwell Jan 2013

Conclusions And Future Directions, Jerrold L. Belant, Travis L. Devault, Bradley F. Blackwell

United States Department of Agriculture Wildlife Services: Staff Publications

Although the management of wildlife at airports has seen great progress in recent decades, wildlife col~ lisians with aircraft continue to pose risks to human safety and economic losses to the aviation industry and military (Allan 2002, Dolbeer 2009). Our understanding of physiological and behavioral responses of wildlife to various types of repellents and harassment techniques has grown tremendously. Substantial in· roads have been made in developing and optimizing exclusion devices, particularly for mammals. Research and management have increased considerably in recent years, allowing us to better understand aspects of re· source use (e.g., cover, food) by wildlife and the …


Isolation And Genetic Characterization Of Toxoplasma Gondii From Mute Swan (Cygnus Olor) From The Usa, J. P. Dubey, S. Choudhary, O. C. H. Kwok, L.R. Ferreira, S. Oliveira, S.K. Verma, D.R. Marks, K. Pedersen, R.M. Mickley, A.R. Randall, D. Asnoe, C. Su Jan 2013

Isolation And Genetic Characterization Of Toxoplasma Gondii From Mute Swan (Cygnus Olor) From The Usa, J. P. Dubey, S. Choudhary, O. C. H. Kwok, L.R. Ferreira, S. Oliveira, S.K. Verma, D.R. Marks, K. Pedersen, R.M. Mickley, A.R. Randall, D. Asnoe, C. Su

United States Department of Agriculture Wildlife Services: Staff Publications

Little is known of the genetic diversity of Toxoplasma gondii circulating in wildlife. In the present study, antibodies to T. gondii were determined in serum samples from 632 mute swans (Cygnus olor) collected from different areas of the USA. Sera were tested by T. gondii modified agglutination test; 54 (8.5%) of 632 samples were seropositive with titers of 25 in 28 sera, 50 in 22 sera, 100 in three samples, and 200 or higher in one swan. Hearts from 14 seropositive swans were bioassayed in mice and viable T. gondii (designated TgSwanUs1–3) were isolated from the hearts of …