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Dissertations / Theses on the topic 'Pasture response'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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1

Brown, Peter Robert, and n/a. "Pasture response following rabbit control on grazing land." University of Canberra. Resource & Environmental Science, 1993. http://erl.canberra.edu.au./public/adt-AUC20061113.144813.

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The experiments described in this thesis were designed to assess changes in pasture dynamics (biomass and species composition of pasture) of grazing land on the Southern Tablelands of ACT and NSW, after 16 combinations of rabbit control treatments had been applied. The rabbit control performed by CSIRO Division of Wildlife and Ecology consisted of all combinations of presence-absence of Poisoning (using sodium monofluoroacetate, 1080: POIS), Ripping (ripping warrens using a tractor fitted with ripping tynes: RIP), Fumigation (pressure fumigation using chloropicrin: FUM) and repeated follow-up

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2

Manning, Paul. "Response of invertebrate communities to intensive management of improved pasture ecosystems." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:266bd0f5-19ba-49f8-aab0-44a62567c80e.

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The number of people on our planet is projected to rise to between 9.4 and 10 billion by 2050. Some estimates suggest that current levels of food production will need to double to feed this population. Increasing the intensity of food production on existing agricultural land will be a crucial element in meeting this goal, but practices associated with intensive management can cause biodiversity declines and erode the ecosystem functions that underpin production. My work explores agricultural intensification within the context of pasture-based cattle production. I focus on a variety of ecosyste

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3

Kaufman, Katelyn Lucille. "Physiological response of grazing horses to seasonal fluctuations in pasture nonstructural carbohydrates." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/89013.

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Forage is an essential part of the equine diet for health and performance. Pasture nonstructural carbohydrates (NSC) have been shown to fluctuate diurnally and seasonally throughout the year due to various factors including environmental conditions and plant stress. The intake of elevated NSC content is linked with metabolic and digestive diseases, including colic and laminitis. A yearlong grazing study was conducted at the Virginia Tech Middleburg Agricultural Research and Extension Center from October 2016 through September 2017 to investigate fluctuations in pasture NSC concentrations as we

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4

McIntosh, Bridgett J. "Circadian and Seasonal Variation in Pasture Nonstructural Carbohydrates and the Physiological Response of Grazing Horses." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/27742.

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Nonstructural carbohydrates (NSC), which includes sugars, starches and fructans in pasture forages, undergo circadian and seasonal variation which has direct effects on metabolism in grazing horses. Increased intake of NSC is implicated in the development of digestive and metabolic disorders, such as laminitis. A series of five studies at Virginia Techâ s M.A.R.E. Center in April, May, August, and October 2005, and January 2006, examined circadian and seasonal variability in forage NSC content and metabolic and digestive variables in horses over a 36 h sampling period. Fourteen mares were ran

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5

Slaughter, Lindsey C. "SOIL MICROBIAL COMMUNITY RESPONSE TO CLIMATE CHANGE: RESULTS FROM A TEMPERATE KENTUCKY PASTURE." UKnowledge, 2012. http://uknowledge.uky.edu/pss_etds/8.

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Climate change is likely to alter plant species composition and interactions between plants and soil microbes that together dictate the quantity and quality of forage produced in pastures, the base of animal production in central Kentucky. This study assessed the seasonal dynamics of soil microbes and their response to increased temperature (+3oC) and growing season precipitation (+30% of the mean annual). Total soil microbial biomass, community composition, enzyme activities, potential carbon mineralization, and catabolic responses to selected substrates were measured seasonally in the differ

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6

Bankroff, Timothy J. "Arthropod community response to high-intensity, low-frequency cattle grazing events and pasture succession." Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1417541806.

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7

Joseph, Tony. "The response of photosynthesis and respiration of a grass and a native shrub to varying temperature and soil water content." Thesis, University of Canterbury. School of Biological Sciences, 2011. http://hdl.handle.net/10092/6685.

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In New Zealand, native shrubs are considered an important potential carbon-sink in disturbed or abandoned land (e.g., pastoral land that is unsustainable for long-term pastoral agriculture). However, the impact of varying environmental drivers on carbon uptake from photosynthesis and carbon loss from respiration of a developing shrubland remains uncertain. In this study, the effects of both temperature and soil water content (θ) on photosynthesis and respiration were examined under controlled growth cabinet and field conditions in a pasture grass and the native shrub, kānuka (Kunzea ericoides

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8

Williamson, Jessica A. "Animal and Pasture Responses to Grazing Management of Chemically Suppressed Tall Fescue in Mixed Pastures." UKnowledge, 2015. http://uknowledge.uky.edu/pss_etds/57.

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Treatment of endophyte-infected tall fescue [Lolium arundinaceum (Schreb.) Darbysh] with the broad leaf herbicide Chaparral® can mitigate fescue toxicosis and enhance forage quality by suppressing seedhead emergence. Applying the herbicide to fescue pastures also reduces forage mass and promotes severe spot grazing when pastures are continuously grazed. A grazing experiment was conducted with steers (2013) and heifers (2014) to evaluate animal and plant responses in fescue-bluegrass (Poa pratensis L.) mixtures treated with Chaparral to determine the effects of grazing management on pasture car

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9

Varella, Alexandre Costa. "Modelling lucerne (Medicago sativa L.) crop response to light regimes in an agroforestry system." Lincoln University, 2002. http://hdl.handle.net/10182/1477.

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The general goal of this research was to understand the agronomic and physiological changes of a lucerne crop in distinct physical radiation environments and to verify the potential of lucerne to grow under shaded conditions. To achieve this, the research was conducted in four main steps: (i) firstly, experimental data collection in the field using two artificial shade materials (shade cloth and wooden slats) under inigated and non-irrigated conditions; (ii) a second experiment with data collection in a typical temperate dryland agroforestry area under non-irrigated conditions; (iii) generatio

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10

Silva, Amanda Marília da. "Influência do sistema de produção no semiárido brasileiro sobre o perfil de ácidos graxos, voláteis e sensorial do leite e queijo caprino." Universidade Federal da Paraíba, 2017. http://tede.biblioteca.ufpb.br:8080/handle/tede/9412.

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Submitted by Maike Costa (maiksebas@gmail.com) on 2017-09-05T11:30:32Z No. of bitstreams: 1 arquivototal.pdf: 2959046 bytes, checksum: a3f9f3b11f2ba3b9c5298a8b10c24c58 (MD5)<br>Made available in DSpace on 2017-09-05T11:30:33Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2959046 bytes, checksum: a3f9f3b11f2ba3b9c5298a8b10c24c58 (MD5) Previous issue date: 2017-02-17<br>Caprine livestock is among the main economic activities in semi-arid region of Northeastern Brazil which is characterized by low rain rates and a dry weather, where caatinga biome represents the most important feed source

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11

Tye, Andrew M. "Responses to calcified seaweed in managed grassland." Thesis, University of Wolverhampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309803.

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12

Goff, Ben M. "STEER AND TALL FESCUE PASTURE RESPONSES TO GRAZING INTENSITY AND CHEMICAL SEEDHEAD SUPPRESSION." UKnowledge, 2012. http://uknowledge.uky.edu/pss_etds/10.

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Tall fescue (Lolium arundinaceum) is the principal cool-season species within pastures of the southeastern USA and is known to have a mutualistic relationship with a fungal endophyte (Neotyphodium coenophialum) that produces the ergot alkaloids responsible for tall fescue toxicosis. Management of the reproductive growth of tall fescue is necessary, as the seedheads contain the highest concentrations of ergot alkaloids, and livestock have been documented to selectively graze these tissues. Recently, the herbicide Chaparral™ has been shown to be an effective method to prevent seedhead production

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13

Stewart, R. Lawton. "Management intensity effects on animal performance and herbage response in bahiagrass pastures." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0001200.

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14

Woodard, Carl Andrew. "Poison hemlock (conium Maculatum L.) biology, implications for pastures and response to herbicides /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5674.

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Thesis (M.S.)--University of Missouri-Columbia, 2008.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 19, 2008) Includes bibliographical references.

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15

Al-Traboulsi, Manal. "Response of plant roots and pastureland soils to increasing CO2 concentration." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21500.

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In an attempt to investigate the cause of change in the competitive ability between monocots and dicots in a pastureland in Farnham, Quebec under CO2 enrichment, I chose to study the response of Plantago major (dicot) and Poa pratensis (monocot) grown in ambient and elevated CO2 chambers, hypothesizing that a large increase in root biomass of dicots would be observed under elevated CO 2. A transient stimulation of root biomass of Plantago major was found during the first month of CO2 exposure but disappeared later.<br>The second objective of this study was to examine the effect of 5 years of C

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16

Khalili, Ali. "Mechanical response of highly gap-graded mixtures of waste rock and tailings (paste rock)." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/8854.

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The mixing of mine tailings and waste rock to form “paste rock” prior to disposal is now receiving significant attention from the point of view of sustainable mine waste management practice. This approach has been viewed as a favourable alternative to traditional methods of mine waste disposal because paste rock has the potential to overcome deficiencies, such as acid rock drainage and mechanical instability, associated with traditional methods of mine waste disposal. In consideration of the current limited understanding of the fundamental mechanical response, a systematic laboratory triaxia

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17

Gulwa, Unathi. "Yield responses, mineral levels of forages and soil in old arable land planted to four legume pasture species in Lushington communal area, South Africa." Thesis, University of Fort Hare, 2017. http://hdl.handle.net/10353/2799.

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This study was conducted in the old arable land located in Lushington communal area in the Eastern Cape province of South Africa. The objectives of the study were to assess the effect of legume introduction on biomass yield, forage and soil mineral levels of the arable lands planted to four leguminous pastures in four seasons. Planting was done in March and October 2008 in Lushington. All legumes were subjected to grow under rain fed conditions. Trifolium vesiculosum (arrowleaf clover), Lespedeza cuneata (sericea lespedeza), Trifolium repens (white clover) and Lotus corniculatus (birdsfoot tre

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18

Liu, Kesi. "Management effects on herbage responses, size of nutrient pools, and litter dynamics in grazed Tifton 85 bermudagrass (Cynodon spp.) pastures." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0041018.

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19

Pokharel, Mukesh. "Geotechnical and environmental responses of paste tailings systems to coupled thermo-chemical loadings." Thesis, University of Ottawa (Canada), 2008. http://hdl.handle.net/10393/27793.

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Geotechnical and environmental responses of paste tailings systems to coupled thermo chemical loadings. Cement paste tailings (CPT) and tailings shotcrete (TS) are investigated for thermo-chemo coupled effects on mechanical strength, durability and reactivity. CPT are made from Portland cement type I (PCI) and PCI-slag with 0 ppm, 5000 ppm, 15000 ppm and 25000 ppm of sulphate, cured at 2°C, 20°C, 35°C and 50°C and tested for UCS at 28, 90, and 150 days respectively. The mechanical strength depends upon both sulphate and temperature. Sulphate concentration, up to 15000 ppm, cont

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20

Islam, Mohammed Anowarul. "Responses of accessions of Austrodanthonia spp. to factors associated with soil acidity." University of Sydney. Food and Natural Resources, 2002. http://hdl.handle.net/2123/502.

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Pasture plants already adapted to acidic soil conditions are required as part of an integrated approach (with lime amelioration) to managing acid soils on the Tablelands of New South Wales, Australia. The objective of this thesis is to evaluate the usefulness of Austrodanthonia species for this purpose. The material evaluated in this study was collected during a previous survey of the distribution of Austrodanthonia on the Central, Southern and Monaro Tablelands of New South Wales. It was hypothesised that the genus Austrodanthonia has a wide range of tolerance to acid soils. A series of expe

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21

Davey, Austin Conan. "The preparation, characterisation and application of novel, responsive paste ink writing systems." Thesis, University of Leeds, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433920.

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22

Chimfwembe, Richard. "Pastoral care in a context of poverty : a search for a Zambian contextual church response." Thesis, University of Pretoria, 2013. http://hdl.handle.net/2263/40203.

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In Zambia, it is true to say that people are politically free but materially still very poor, 49 years after independence which was attained in 1964. Many people lie below poverty datum-line and those that are, most hit, are the people living in rural areas. Many people are flocking from the rural areas to cities, leaving the old people, women and children in rural areas and in poverty. The levels of poverty in Zambia have reached a crisis, that even the president of Zambia, His Excellence Mr. Michael Chilufya Sata, acknowledged this fact during his parliamentary address to the second session

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23

Sjödin, N. Erik. "Pollinating insect responses to grazing intensity, grassland characteristics and landscape complexity : behaviour, species diversity and composition /." Uppsala : Dept. of Ecology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200755.pdf.

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24

Banham, Stephen Walter. "Pigeon breeder's disease : the clinical spectrum and humoral response : an investigation of the nature and extent of extrinsic allergic alveolitis due to pigeon-derived antigens among pigeon fanciers continuing to pursue the pastime, with particular reference to early clinical and humoral-mediated responses following exposure." Thesis, University of Edinburgh, 1986. http://hdl.handle.net/1842/26216.

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25

Balbinot, Andrisa. "Elephantopus mollis Kunth (ASTERACEAE): FLUXO DE EMERGÊNCIA E CURVA DE DOSE-RESPOSTA A HERBICIDAS." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/4906.

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Fundação de Amparo a Pesquisa no Estado do Rio Grande do Sul<br>Elephantopus mollis is a Asteraceae family species recently found in soybean crops / winter pastures in the central-western region of Rio Grande do Sul, Brazil. Its presence has reduced yields and increased the cost of production of these crops. In order to get the emergency pattern of the species throughout the year and its sensitivity to the main herbicide used in these crops it is that took place this work. To determine the emergency flow and the seed bank in the area two experiments were conducted in a rural area of the munici

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26

Alshawmar, Fahad Abdulaziz. "Shaking Table Testing of Geotechnical Response of Densified Fine-Grained Soils to Cyclic Loadings: Application to Highly Densified Tailings." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41892.

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Liquefaction is a major challenge in geotechnical engineering in which soil strength and stiffness are compromised due to earthquake activity. Understanding and predicting the behaviour and liquefaction susceptibility of soils under cyclic loading is a critical issue in civil engineering, mining and protective engineering. Numerous earthquake-induced ground failure events (e.g., substantial ground deformation, reduced bearing capacity) or liquefaction in natural fine-grained soils or manmade fine-grained soils (i.e., fine tailings) produced by mining activities have been observed and reported

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27

Roth, Daniela. "Regeneration dynamics in response to slash-and-burn agriculture in a tropical deciduous forest of western Mexico." Thesis, 1996. http://hdl.handle.net/1957/34931.

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28

Miles, Neil. "Pasture responses to lime and phosphorus on acid soils in Natal." Thesis, 1986. http://hdl.handle.net/10413/9621.

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29

Corrigan, Alison Marie. "Ruminal responses in cattle grazing tall fescue pastures differing in endophyte level." 2005. http://etd.utk.edu/2005/CorriganAlison.pdf.

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Thesis (M.S.) -- University of Tennessee, Knoxville, 2005.<br>Title from title page screen (viewed on Sept. 09, 2005). Thesis advisor: John C. Waller. Document formatted into pages (ix, 75 p. : ill. (some col.)). Vita. Includes bibliographical references (p. 44-54).

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30

Byers, Harris L. "Cattle and water quality responses to shade and alternative water sources in grazed pastures in Georgia, USA." 2004. http://purl.galileo.usg.edu/uga%5Fetd/byers%5Fharris%5Fl%5F200408%5Fms.

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Thesis (M.S.)--University of Georgia, 2004.<br>Directed by Miguel L. Cabrera. Includes articles submitted to Journal of animal science, and Journal of envrironmental quality. Includes bibliographical references.

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31

Kao, Yung-Chih, and 高永智. "Application of Response Surface Methodology in the Solder Paste Printing Process of SMT." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/18950212948916394815.

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碩士<br>龍華科技大學<br>機械工程系碩士班<br>103<br>Nowadays, most of the electronic products put their emphasis on beneficial functionality and diversity. Also, the size of products tends to lighter and thinner. Therefore, the surface mount technology (SMT) plays an important role in the process of production. There are three major steps in SMT: the screen printer, the component placement and the reflow oven. Among the entire SMT process, Screen Printer is the most important key for the quality and stability of the entire production. Four process parameters: the printing pressure paste printing process, the p

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32

Lu, Po-Jen, and 盧柏任. "Application of Taguchi's method and response surface methodology in the solder paste printing process of SMT." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/41138400733458754055.

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碩士<br>龍華科技大學<br>機械工程系碩士班<br>102<br>In today’s electronics industry, consumers are increasingly demanding higher quality 3C products, including products with slimmer designs. This trend highlights the importance of surface mount technology. This technology can be roughly divided into three steps: stencil printing, component placement, and solder reflow. The first step, stencil printing, is especially crucial because it may cause the failure of subsequent processing if the printing quality is low. In addition to having to spend more time, redoing the work would also mean spending more money. 　　T

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33

Mondim, António Francisco da Silva. "Metodologias de superfície de resposta : uma investigação no âmbito da indústria cerâmica e do vido." Master's thesis, 2014. http://hdl.handle.net/10400.2/3182.

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Dissertação de Mestrado em Estatística, Matemática e Computação apresentada à Universidade Aberta<br>A metodologia de superfícies de resposta MSR é um conjunto de técnicas estatístico-matemáticas que visa a optimização. No nosso tipo de sociedade, orientada para um mercado globalizado onde impera a lei do mais forte, qualquer ganho de produtividade, qualquer diminuição dos custos de produção, qualquer inovação, podem marcar a diferença entre o sucesso e a falência. Falar em MSR é um sonho, implementar a metodologia é antecipar o sucesso. O processo inicia-se com a interpretação do problema, d

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