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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Coffins, Closets, Kitchens, and Convents: Women Writing Of Home In Gendered Spaces

Spottke, Nicole 30 October 2009 (has links)
Coffins, Closets, Kitchens, and Convents uses anthropologist Liz Kenyon's categories of home, Gaston Bachelard's theories on the importance of imagination and metaphor in home building, as well as literary criticism, sociology, and feminist theory to examine values of "home" in various literary works of the eighteenth and twentieth centuries. This dissertation's focus on the struggles within traditional home spheres highlights the female characters' need of a protected space. Yet these characters realize they must allow for connections with various individuals to bring about such a safe space. Through the creative act of writing, Mary Leapor's Mira in the poem, "Crumble Hall," Samuel Richardson's title character in Clarissa, and Toni Morrison's Claudia MacTeer in The Bluest Eye and the convent women in Paradise, each oppressed within the home sphere, gain full access to all that the idealized home entails in constructing their individual homes; they rewrite space into a home of their own. The chapters herein are organized from lower-class to higher-class female characters beginning in the eighteenth century with Leapor's servant narrator and moving up to Richardson's higher-class character, followed by Morrison's twentieth century impoverished youth in The Bluest Eye and variety of women both impoverished and well-off residing together in a convent in Paradise.
2

Establishing the relationship between broiler beak size, starter feed particle size selection and performance

Alvarenga Ramirez, Maria Jose 09 December 2022 (has links) (PDF)
Starter feed particle size (FPS) is typically small (~1200 µm) due to bird beak capacity (BC). Recent research has found that chicks can consume a larger FPS than previously thought; however, preferred FPS and its relationship with BC has not been established. Experiment 1 was conducted to determine the effect of breeder flock age (BFA) and feeding strategy (FS) on 0-14 d performance, BC and FPS preference. These data found that BC was dependent upon BFA and FPS consumed was dependent upon FS. Also, chicks could consume increased FPS without impacting starter performance; thus Experiment 2 was conducted to determine the effects of BFA and Starter FS on carryover performance (0-61 d), BC and processing metrics. Significant BFA differences occurred, though no FS carryover impact occurred for the measured variables. Overall, these data suggest that chicks can consume a FPS of ~2600 µm without negatively affecting starter or carryover performance.
3

Determination of the Optimal Starter Particle Size for Improved Starter and Overall Broiler Performance

Lemons, Mark Edward 10 August 2018 (has links)
It is appreciated that improvements in feed form (FF) result in improved broiler performance. However, research has primarily focused on the finishing growth phase due to associated high feed consumption allowing the greatest opportunity to observe performance benefits. Due to lower feed volumes required in the starter growth phase, it may be more economical to improve FF in the starter phase if improvements in overall performance and processing characteristics are observed. Study 1 investigated the potential for interactive effects of high or low FF presented in each of three growth phases to influence broiler performance. These data demonstrated the potential for FF presented in the starter phase to interact with FF in the finisher phase influencing day (d) 46 ending body weight (BW). Due to starter FF impacting overall performance, this led to Study 2 which consisted of two experiments with the main objective of determining the optimal crumble particle size for improved starter (d 0-14) performance. Experiment 1 utilized 5 different crumble particle sizes ranging from 1202- 2172 µm; whereas Experiment 2 implemented 8 differing crumble particle sizes ranging from 1174- 3736 µm. These data demonstrated consistent improvements in feed conversion ratio (FCR) as crumble particle size increased, with improvements in BW gain being demonstrated in Experiment 2 for crumbles 2800 µm and larger. Due to associated performance benefits with large particle sizes, Study 3 examined the potential to feed pellets, in comparison to crumbles, at different qualities during the starter period. Additionally, two commonly used genetic strains were employed to determine if performance benefits due to FF and feed quality (FQ) would be similar among different strains. Lastly, common diets were fed following the starter phase to determine if benefits due to starter FF would translate to improved overall performance. Feed quality and FF interacted to influence d 18 BW and d 0-18 BW gain. Examining carryover effects, d 0-32 and 0-46 FCR were influenced by FF and FQ; whereas d 0-62 was not influenced. These data suggest that length of the growout should be considered for determining FQ and FF to present in the starter growth phase.

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