Understanding the Reproductive Biology of the Przewalski's Horse (Equus ferus przewalskii)

The Przewalski's horse (Equus ferus przewalskii) once roamed the Eurasian Steppe but is now considered Critically Endangered with only 1872 individuals remaining in the world, representing progeny from only 14 founder animals (Lee and Boyd, 2008). Genetic diversity needs to be optimal for long term survival of this species. Unfortunately, increasing genetic diversity of the captive population in North America has been hindered by a decrease in fertility. Therefore, the main focus of this research was to characterize reproductive parameters in Przewalski's horse, including estrus cycle in mares and seminal traits in stallions, and determining whether age or inbreeding had an impact on these traits. A secondary focus was to determine whether hormone manipulation of the estrous cycle in mares could be utilized for the long-term goal of using artificial insemination as a breeding management tool for this species. To facilitate these studies, a technique for palpation of Przewalski's mares was developed; the first application of such a procedure in a wild equid. Subsequently, we were able to describe follicular changes in relation to urinary hormone patterns. Fifty percent of the mares had either irregular or acyclic hormonal and follicular patterns. These patterns were directly correlated with inbreeding which is the first time such a correlation has been described in this species. Estrous manipulation was possible using an injectable biorelease form of the progestagen, altrenogest. In stallions, we developed a reliable method of semen collection for Przewalski's stallions and, as a result, describe seminal traits from 98 semen collections from 14 stallions. Based on these collections, we were able to show that sub-fertility in this population could be due to the low percentage of normal spermatozoa. Based on variable analysis, seminal traits total concentration, volume and morphology showed variable changes through the year. Traits also varied on an individual stallion basis. Together, these studies demonstrated that inbreeding is detrimentally affecting the reproductive fitness of this species and that aggressive management is needed for long term sustainability of the captive population

Perspectives from graduate students on effective teaching methods: A case study from a Vietnamese Transnational University

Vietnam is emerging as an accelerated economic and political society with an increased global presence; thus, increased attention has been given to producing qualified college graduates who can contribute to the growing global economy. Yet challenges exist due to lack of educational infrastructure and ineffective teaching practices. As a result, the Vietnamese government embraces international collaborations in higher education as a way to address educational needs; however, although research exists on policy implications and government priorities, very little is known about how students perceive the teaching methods provided at these collaborative transnational universities. The purpose of this qualitative case study is to examine graduate students’ perceived effectiveness of teaching methods at Vietnamese-German University (VGU), a predominantly technology and engineering university that is an international collaboration between Vietnam and Germany. We seek to answer the research question of, ‘how is the use of student-centered practices effective in an international learning environment?’ Findings from graduate students indicate that collaborative learning, specifically through group work and modified flipped classrooms, are effective ways to maximize student learning. Implications for practice and future research are discussed as ways to emphasize the benefits of student-centered teaching and learning at transnational collaborative universities

Review of The Art and Science of Love: A Workshop for Couples

This article reviews The Art and Science of Love: A Couple\u27s Workshop on the following criteria: the extent to which the program is research based and empirically validated, how well the program meets the needs of struggling relationships, and ease of use. The need for relationship education using empirical research is summarized. A program description reveals components and typical use of the workshop. The Art and Science of Love: A Couple\u27s Workshop is a useful resource for Cooperative Extension agents to recommend to couples

A Review of Children in the Middle: Divorce Education for Parents

This article reviews Children in the Middle: Divorce Education for Parents on the extent to which the materials are research based and empirically validated as well as whether the program meets the needs of divorcing families, especially children, as identified in the research literature. The need for divorce education is summarized using empirical research. A program description reveals the program contents and typical administration of Children in the Middle. Empirical research supporting Children in the Middle is provided to highlight program effectiveness. Children in the Middle may be a valuable tool for Cooperative Extension to implement in counties where divorce education is needed

Increasing Cultural Awareness Through a Cultural Awareness Program

Racial tension motivates strife and violence in the metropolitan Detroit, Michigan, area. The purpose of this study was to determine the effectiveness of a collaborative partnership, the Cultural Awareness Consortium (CAC), in making a positive impact on the attitudes of a group of diverse high school students regarding multicultural relations. The two theoretical frameworks guiding this study were Allport’s intergroup contact theory and intercultural competence theory originating from International Education and International Studies. The research questions concerned whether attending the CAC for 4 months, the treatment, changed students’ attitudes on multicultural relations, and whether a student’s gender or ethnicity was a predictor of changes in these attitudes. A single group, pre-experimental design with data collection from two administrations of the Student Multicultural Relations Survey was used in the study. Fifty-four students completed the survey, which yielded four multicultural relations scales (dependent variables), eight single-item attitudinal variables on multicultural issues, and two demographic variables (independent variables), and inferential analysis included t tests and multiple regression. According to study results, students’ attitudes on multicultural relations had changed significantly, and students talked to and mixed with students from different cultural backgrounds more after the treatment. Educational institutions providing experiences like the CAC can make a positive impact on students’ attitudes on multicultural relations. This can lead to positive social change as students increase their acceptance of others and take those attitudes and values with them into the workforce after they graduate, serving as role models of acceptance for their peers

TGFβ1 orchestrates renal fibrosis following Escherichia coli pyelonephritis

Renal scarring after pyelonephritis is linked to long-term health risks for hypertension and chronic kidney disease. Androgen exposure increases susceptibility to, and severity of, uropathogenic Escherichia coli (UPEC) pyelonephritis and resultant scarring in both male and female mice, while anti-androgen therapy is protective against severe urinary tract infection (UTI) in these models. This work employed androgenized female C57BL/6 mice to elucidate the molecular mechanisms of post-infectious renal fibrosis and to determine how these pathways are altered by the presence of androgens. We found that elevated circulating testosterone levels primed the kidney for fibrosis by increasing local production of TGFβ1 before the initiation of UTI, altering the ratio of transcription factors Smad2 and Smad3 and increasing the presence of mesenchymal stem cell (MSC)-like cells and Gli1 + activated myofibroblasts, the cells primarily responsible for deposition of scar components. Increased production of TGFβ1 and aberrations in Smad2:Smad3 were maintained throughout the course of infection in the presence of androgen, correlating with renal scarring that was not observed in non-androgenized female mice. Pharmacologic inhibition of TGFβ1 signaling blunted myofibroblast activation. We conclude that renal fibrosis after pyelonephritis is exacerbated by the presence of androgens and involves activation of the TGFβ1 signaling cascade, leading to increases in cortical populations of MSC-like cells and the Gli1 + activated myofibroblasts that are responsible for scarring

Leadership Roles in the Field of Occupational Therapy

The purpose of this capstone project was to learn about leadership through expertise and experience. The first portion of the project consisted of reviewing the literature and interviewing four occupational therapists that currently had a leadership role within the healthcare industry to gain insight into leadership qualities. The second potion included me being at a facility (Advent Therapy in Richmond Hill, G.A.) for 14 weeks where I observed and learned about current programs, and with the guidance of the therapists and management of the facility, developed and implemented a program that was deemed to be beneficial to the client population.https://soar.usa.edu/otdcapstonespring2020/1005/thumbnail.jp

Increasing Cultural Awareness Through a Cultural Awareness Program

Racial tension still motivates strife and violence in the metropolitan Detroit area. This study sought to determine the effectiveness of a collaborative partnership on the attitudes of a group of diverse learners regarding multicultural relations. The purpose of this research study was to investigate whether participation in the Cultural Awareness Consortium (CAC) improved the multicultural relations of diverse high school students. The 2 theoretical frameworks guiding this study were Allport\u27s intergroup contact theory and intercultural competence theory originating from International Education and International Studies. The research questions addressed whether attending the CAC for 4 months, the treatment, changed students\u27 attitudes on multicultural relations, and whether a student\u27s gender or ethnicity was a predictor of changes in these attitudes. This study used a single group, pre-experimental design with data collection from 2 administrations of the Student Multicultural Relations Survey. Fifty-four students completed the survey, which yielded 4 multicultural relations scales (dependent variables), 8 single-item attitudinal variables on multicultural issues, and 2 demographic variables (independent variables). Inferential analysis included t tests and multiple regression. Key results indicated that students\u27 attitudes on multicultural relations had changed significantly; in addition, students talked to and mixed with students from different cultural backgrounds with greater frequency after the treatment. Educational institutions providing experiences like the CAC can make a positive impact on students\u27 attitudes on multicultural relations. This impact can lead to positive social change as students increase their acceptance of others and take those attitudes and values with them into the workforce after they graduate, serving as role models of acceptance for their peers

Falling Far from the Tree: Transitions to Adulthood and the Social History of Twentieth-Century America

Employing the Integrated Public Use Microdata Series of the University of Minnesota, we chronicle the changing timing and duration of transitions to adulthood in the twentieth century. Successive generations of young Americans reinvented the transition to adulthood to accommodate shifts in the economy and the American state. The patterned choices of young people delineate three eras of social history in the twentieth century: the era of reciprocity (1900–1950), the era of dependence (1950–70s), and the era of autonomy (1970s-2000). We also explain why African Americans differed from the general trend; they developed distinctive transitions to adulthood in response to persistent inequality