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Impact of Limit Feeding Finishing Beef Steers on Enteric Methane Production and Animal Performance
Get PDFObjective: The objective of this experiment was to determine the impact of limit feeding on enteric methane (CH4) production and subsequent animal performance.
Study Description: Angus-cross steers (n = 48, body weight [BW] = 985 ± 9.7 lb) were blocked by BW and assigned to one of three treatment groups for a 134-day finishing experiment. Treatments consisted of a 1) control (CON) where steers were fed ad libitum; 2) treatment 1 (TRT1) where steers were fed 96% of ad libitum; and 3) treatment 2 (TRT2) where steers were fed 92% of ad libitum. Once weekly, TRT1 and TRT2 were adjusted based on the CON steers average intakes from the previous week. The BW was measured monthly and dry matter intake (DMI; lb/day) was measured using an Insentec Roughage Intake Control System (Insentec, Markenesse, The Netherlands). Enteric methane and carbon dioxide (CO2) production was determined utilizing two GreenFeed emission measurement systems (AHCS; C-Lock Inc., Rapid City, SD).
The Bottom Line: Limit feeding of finishing beef steers at 96% ad libitum resulted in a 17% reduction in enteric CH4 emissions. However, final BW tended to be lower at finishing for limit-fed steers. For the reduction in emissions to be economically advantageous, economic incentives for producers would be needed to offset this less desirable endpoint
A small study evaluating cortisol production of undocumented immigrant Latino parents and their US-born adolescents
No full textWhile cortisol production has been studied in parent-child dyads, research has not specifically examined cortisol production of US-born adolescents and their undocumented immigrant Latino parents, despite the elevated stress associated with mixed status. The purpose of the small study was to 1) assess the cortisol production of undocumented immigrant parent-US-born adolescent dyads and 2) examine the cortisol production of the dyads identified as being at heightened risk for immigrant and economic stress. A community-based strategy was used to locate and recruit self-identifying undocumented immigrant, Latino parents and their US-born adolescents (12-16 years) in the Houston-area (September 2019-January 2020). Each participant within the dyad self-reported on immigration and economic stress, socio-demographic characteristics, and parents self-reported on their immigration documentation status. Each participant within the dyad also provided four saliva samples collected at-home during designated time points within the same day. Paired t-test were conducted to compare cortisol production at each of the four time-points among undocumented parent-US-born adolescent dyads and among mixed-status dyads whose parents reported elevated immigration and economic stress. Nineteen mixed-status dyads participated (adolescents: 63% male; average age 13.68 years; parents: 96% female; average age 41.95 years; primarily from Mexico). Cortisol production comparisons within mixed-status dyads did not differ at any of the four time points (i.e. cortisol production appeared to be the same) [t1(18)=1.54, p=0.14; t2(18)=-1.32, p=0.20; t3(18)=-0.43, p=0.67; t4(18)=-1.65, p=0.12]. Among mixed-status dyads whose parents reported elevated immigrant-related stress [t1(10)=1.15, p=0.28; t2(10)=-0.85, p=0.42; t3(10)=-1.31, p=0.22; t4(10)=-1.46, p=0.18] and economic stress [t1(10)=0.17, p=0.87; t2(10)=0.12, p=0.91; t3(10)=-0.25, p=0.80; t4(10)=-0.19, p=0.85], cortisol production did not differ at any of the four time points. The shared environment among mixed-status families appears to be co-activating adolescent-parent physiology, contributing to similar cortisol production. The constant level of stress may shape all members of the family similarly, regardless of documentation status
Translating Heimat in Multilingual Dortmund
Get PDFNamed for the people of 132 different nationalities photojournalist Peyman Azhari encountered in northern Dortmund over the course of a year, the photo collection Heimat 132 (2014) stands as testament to the many ethnicities, religions, and languages this neighborhood is home to. In my paper, I read Azhari’s photographs as sites of translation capable of reclaiming a critical understanding of Heimat (home or homeland) that is fundamentally multilingual. I do so by first exploring the link between racially and ethnically exclusionary definitions of Heimat and the all-too-common assertion that Heimat is an untranslatable word. Each approach, I argue, rests on assumptions of origins and originality, which understand Heimat as a pre-given way of life that can be threatened and is thus in need of preserving. Through its linguistic and visual engagement with this term, I argue, Azhari presents Heimat rather as a radically open and collaborative process of belonging in the making.
Starting with a series of portraits and interviews in the second half of the collection, I consider Azhari’s decision to render multilingual conversations with residents into seemingly monolingual German narratives that are nevertheless punctuated by a series of translations of the word Heimat. By repeatedly rendering this term both out of, and then back into German, the collection allows Heimat to brush up against a range of words in other languages, including home (casa), motherland (matribomi), fatherland (atdhe), and ancestral homeland (guxiang), among others. If, through the act of translation, Azhari asks readers to approach the concept of Heimat relationally rather than as an inherently German term, translation then also punctuates these otherwise monolingual narratives, thereby breaking the link between Heimat and nativity at the core of right-wing appropriations of the word. Azhari suggests, on the contrary, that multilinguality and the non-local play an active role in the production of Heimat, and that translation—and more specifically translational difference—is central to the concept of belonging it has the power to generate.
By repeatedly foregrounding their own non-transparency, the portraits and streetscapes of Heimat 132 similarly present themselves as sites of translation, rather than as universally accessible documents. Together with the collection’s recurrent translations of the word Heimat, they capture sites of linguistic and cultural contact in the aftermath of migration that reveal this neighborhood, but more importantly German culture itself, to be a dynamic site of translation. As viewers—from either within or outside of Dortmund—we are central to this process of translation, which can only come to fruition through our viewing practice and our critical engagement with the photographs
Multilingual Lifeworlds and Textual Monolingualism: Pseudotranslation in Katerina Poladjan, Olga Grjasnowa, and Nino Haratischwili
Get PDFA great deal of existing research on literary multilingualism focuses on the explicit presence of multiple languages in literary works. Yet these texts represent only a relatively marginal portion of contemporary literary production. To focus on this rare literary phenomenon neglects the fact that literary systems pressure most authors to write increasingly monolingual texts—which does not preclude them from portraying scenes of everyday multilingual life. Rather than rendering different languages directly in the text, however, this multilingualism is often excluded: in a monolingual (literary) world, authors translate worldly multilingualism into textual monolingualism. I analyze the distinct strategies authors employ in this type of translation in three German-language novels partly set in the Caucasus region: Das achte Leben (Für Brilka) (Nino Haratischwili, 2014), Die juristische Unschärfe einer Ehe (Olga Grjasnowa, 2014), and Hier sind Löwen (Katerina Poladjan, 2019). Using pseudotranslation as a mode of reading (Rath 2017), I probe the presence of multilingualism forced into absence
The Impact of Mentoring and Scholarships on Teacher Candidates
Get PDFThe study examines data from surveys and interviews with teacher candidates and local education mentors at a Midwestern university who were involved in a Grow Your Own program; this article focuses on results for the teacher candidates. Using data based on demographics, financial need, and academic performance, the researchers identified eight educator preparation candidates from under-represented backgrounds. Each teacher candidate was invited to receive an academic scholarship of $1,500 per semester for two terms, fall 2022 and spring 2023, with the understanding each scholarship recipient would be paired with a university mentor and an in-district mentor from one of two rural school districts with close proximity to the Midwest university. Teacher candidates were required to attend introductory meetings, professional learning, and culminating sessions in order to receive and retain the scholarship funds. Researchers sought to understand perceptions on mentoring, financial support, and professional development from the teacher candidates while investigating the impact of mentoring on retention. The qualitative case study included a pre- and post-survey for scholarship recipients. The scholarship recipients also participated in a focus group interview. Findings included the importance of the scholarship funds to the teacher candidates that went beyond financial implications, and being selected to participate made them “feel special.” The relationships formed with the university faculty and the local education mentors became a “network” allowing the teacher candidates to feel confident and valued; they became the educators they will continue to rely on throughout their careers. The professional development provided opportunities for participants to see, in real-time, the concepts that were discussed in abstract during their education courses.
Key Words: mentoring teacher candidates, teacher preparation, relationships, grow your ow
Restricting Bunk Space Allotments to 6 or 10 Inches has Minimal Impact on Growth Performance in Limit-Fed Receiving Cattle
Get PDFObjective:The objective of our experiment was to determine if bunk allotments of 6, 10, 14, or 18 in per head in pens containing 18 to 28 head impacts growth performance of growing calves limit-fed a high-energy dietbased on corn and corn co-products.
Study Description:A total of 332 crossbred heifers were blocked by source, stratified by individual arrival weight, and assigned to a pen. Pens were randomly assigned to one of four treatments: 6, 10, 14, and 18 in of bunk space per head. Pens contained 18 to 28 head per pen. Heifers were limit-fed once daily at 2.0% of body weight (BW) [dry matter (DM) basis] for a 56-day period.
Results:Final BW and average daily gains (ADG) following the 56-day period did not differ (P≥ 0.20) among treatments. The standard deviation of ADG responded quadratically (P= 0.05) where variation in weight gain was greater in calves allotted 14 in of bunk compared with calves allotted 6, 10, or 18 in of bunk.
The Bottom Line:Bunk allotments as low as 6 in per head did not reduce the growth performance of limit-fed growing cattle during a 56-day receiving period
Perceptions of Science Communication’s Domain, Practices, and Identity: What Concerns Members on the Peripheral Edge of a Community of Practice
Get PDFThis research shares insights from qualitative interviews with scientists in agricultural and environmental science programs (n=26) to better understand how occasional, peripheral, or emerging members of the science communication community of practice perceive its domain, practices, and identity. Findings suggest concern about personal risks of communicating, especially control over messaging, interactions with disagreeable audiences, being incorrect, and reputation damage. However, many believe that communication is broadly important for their field and resources. Scientists did not have clear agreement on boundaries of science communication, and advocacy and uncertainty were points of contention. Suggestions for strengthening science communication training are proposed
Southeast Research and Extension Center Agricultural Research 2024
Get PDFThe 2024 Southeast Research and Extension Center Agricultural Research report includes research conducted in the areas of beef cattle management, cropping systems, and forage crops
The Impact of Digital Technology on Employees\u27 Development via Informal Learning Approach: A Systematic Review
Get PDFThe objective of this literature study is to assess the feasibility of HRD practitioners incorporating digital technology to support informal learning in enterprises, with the aim of improving employees\u27 professional development
Unsports[Man]like Outdoor Public Spaces: Exercising Women\u27s Learning to Navigate Violence and Safety During Hours of Heightened Risk
Get PDFThis study aimed to explore the perspectives of women who exercise in outdoor public spaces during hours of heightened risk and to offer insights to other women and organizations