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Tesis sobre el tema "Livestock"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

McKenzie-Fowle, Stewart Myles. "Accounting for livestock." Thesis, Queensland University of Technology, 1995. https://eprints.qut.edu.au/36282/1/36282_McKenzie-Fowle_1995.pdf.

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Accounting for livestock activities affords particular accounting questions pertaining to asset valuation and profit measurement. The livestock industry impacts significantly on the Australian economy, but accounting information produced by firms in the industry has escaped accounting regulation. Traditional accounting theory suggests that uniformity in reporting provides optimal information for users of accounting reports and that lack of appropriate regulation results in diversity in reporting practices. Livestock represents one category of self-generating and regenerative assets [SGARA]
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2

Thomson, Sarah. "Cryptosporidiosis in farm livestock." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7096/.

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Although diarrhoea caused by Cryptosporidium is prevalent in livestock species throughout the world relatively little is known about the species and subtypes of Cryptosporidium found in cattle on Scottish farms. In particular, little is known about the shedding profiles (age when calves become infected and duration of shedding) of the different species found in cattle and how calves become infected. There are several theories about how neonatal calves first become infected with the parasite but the role which adult cattle play in the transmission of the parasite has not been fully addressed. I
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3

Potgieter, Gail Christine. "The effectiveness of livestock guarding dogs for livestock production and conservation in Namibia." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1666.

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The use of livestock guarding dogs (LGDs) to mitigate farmer-predator conflict in Namibia was evaluated. As farmer-predator conflict has two sides, LGDs were evaluated in terms of livestock production and conservation. The main objectives in terms of livestock production were to document: 1) the perceived ability of LGDs to reduce livestock losses in a cost-effective manner; 2) the farmers’ satisfaction with LGD performance; and 3) factors influencing LGD behaviour. The main objectives in terms of conservation were to record: 1) predator killing by farmers relative to LGD introduction; 2) dire
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4

Sanders, Daniel James. "Preserving America's heritage livestock breeds using marketing to maintain genetically viable production livestock populations /." Connect to resource, 2007. http://hdl.handle.net/1811/25218.

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Thesis (Honors)--Ohio State University, 2007.<br>Title from first page of PDF file. Document formatted into pages: contains 43 p.; also includes graphics. Includes bibliographical references (p. 30-32). Available online via Ohio State University's Knowledge Bank.
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5

Zhao, Yiwen. "Livestock impacts on hydrological connectivity." Thesis, University of Leeds, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485753.

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In response to sustainable land management requirements and catchment-scale hydrological modelling needs, scientific interest in hydrological'connec~ivity'hasgrown. However, little is ~ . known about how hydrological connectivity is impacted by management. While there has been much research into livestock grazing and soil erosion in the UK; relatively little research has been conducted to characterize the hydrological patterns of livestock impacts, especially in organic soils which might be more vulnerable to environmental degradation. This thesis examines livestock impacts, as a land use case
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6

McEvoy, P. M. "Livestock management in grazed woodlands." Thesis, Queen's University Belfast, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403223.

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7

Schnieke, Angelika E. "Cell mediated transgenesis in livestock." Thesis, University of Edinburgh, 1999. http://hdl.handle.net/1842/22619.

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A cell based system for the production of transgenic animals would offer significant advantages, allowing in vitro analysis of transgenes before the production of whole animals, precise placement of transgenes and the possibility of deletion, replacement or mutation of endogenous genes. In mice embryonic stem cells provide a tool for such precise genetic manipulation. However, despite considerable efforts, neither ES nor EG cells capable of contributing to the germline of any livestock species have been isolated. This dissertation describes cell mediated transgenesis by in vitro transfection o
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8

Arnott, Elizabeth. "Wastage in Livestock Herding Dogs." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18095.

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Working dogs contribute to many human endeavours. However, minimal research exists into Australia’s largest group of working dogs – the livestock herding dog. This knowledge gap exposes the sector to the risks of sub-optimal efficiency, compromised productivity and unacceptable animal welfare outcomes. This thesis aims to address this void by characterising the problem of livestock herding dog wastage and contributing to the incremental process of improving management, selection and breeding practices. Data from a questionnaire completed by 812 livestock herding dog owners on 4,027 dogs revea
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9

Nestor, Jared N. "Unethical practices in exhibiting animals as observed by West Virginia extension agents and high school agriculture teachers." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1833.

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Thesis (M.S.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains vi, 46 p. Vita. Includes abstract. Includes bibliographical references (p. 29-30).
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10

Kramer, Brett Andrew. "Livestock demographics, management practices, and attitudinal orientations of native livestock producers on the Navajo Reservation." Thesis, The University of Arizona, 1999. http://hdl.handle.net/10150/278708.

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Livestock production characteristics on the Navajo Reservation were studied to quantify and characterize herd demographics, feeding practices, management practices, marketing practices, and attitudinal orientations of producers. A stratified random (by grazing Agency) sample of the population (n = 10,000) yielded 125 possible respondents from each Agency. Face to face interviews were conducted by Navajo district grazing committeemen in the fall of 1997 for a total of 257 completed surveys. Navajo livestock producers were subsistence-level producers, who battled low birthing rates, slightly ele
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11

Hosseini-Nohdani, Arsalan. "Recombinant antibodies for the study of livestock infection from basic genetics to single-chain Fvs /." Thesis, Connect to e-thesis, 2002. http://theses.gla.ac.uk/1083/.

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Thesis (Ph.D.) -- University of Glasgow, 2002.<br>Ph.D. thesis submitted to the Division of Infection and Immunity, Faculty of Biomedical and Life Sciences, University of Glasgow, 2002. Includes bibliographical references (p. 163-202). Print version also available.
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12

García, Pascual Francisco. "La ganadería en Cataluña : desarrollo y estructuras del complejo ganadero-industrial /." Lleida : Editorial Milenio, 1998. http://www.loc.gov/catdir/enhancements/fy0906/99175866-b.html.

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13

Alcedo, Mary Jane B. "Impact of Capacity Development in Livestock Production: The Case of Farmer Livestock School in the Philippines." 名古屋大学教養教育院, 2012. http://hdl.handle.net/2237/21049.

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14

Thuranira, Christine M. "Socio-economic factors influencing livestock keeping dynamics in a smallholder crop-livestock system in western Kenya." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/30029.

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The purpose of the work was to gain an understanding of the factors that influence household decision-making on the allocation of household resources and how these impact on the ability to own and successfully look after livestock. Livestock keeping dynamics were examined in terms of factors such as herd structures, production parameters, the ways in which households acquired and lost livestock and the characteristics of households entering and leaving livestock keeping. The study was undertaken in Funyula and Butula Divisions in Busia, Western Kenya and was carried out by means of a two-year
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15

Ohta, Itaru. "Livestock Individual Identification among the Turkana : The Animal Classification and Naming in the Pastoral Livestock Managemen." 京都大学 (Kyoto University), 1985. http://hdl.handle.net/2433/86373.

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16

Almeroth-Williams, Thomas. "Horses & livestock in Hanoverian London." Thesis, University of York, 2013. http://etheses.whiterose.ac.uk/19496/.

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In his classic study, Man and the Natural World (1983), Keith Thomas assumed and asserted that by 1800 the inhabitants of English cities had become largely isolated from animal life. My research challenges this assumption by highlighting the prevalence and influence of horses and other four-legged livestock in London in the period 1714–1837. This study represents a deliberate shift in historical enquiry away from the analysis of theoretical literature and debates concerning the rise of kindness and humanitarianism, towards the integration of animals into wider historiographies and a demonstrat
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17

Al-Oun, Salem Safah. "Livestock marketing in the Jordanian Badia." Thesis, Durham University, 1997. http://etheses.dur.ac.uk/5465/.

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The purpose of this study is to investigate and provide a better understanding of the processes of Bedu livestock marketing system in the Badia of Jordan, particularly farmers' market behaviour, linkages to markets and their decision-making process. A mixture of quantitative and qualitative research methodologies were utilised. A stratified random sample of 193 Bedu farmers, and interviews with traders were applied. The whole region of the Jordan Badia and Research Development Programme was covered. The questionnaires were distributed and every farmer was interviewed by the researcher in the p
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18

Bennett, Richard. "The economics of livestock disease control." Thesis, University of Reading, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316155.

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19

David, Kasandra L. ""Feminist Empiricism and the Livestock Industry"." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1396605631.

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20

Colville, Cheyanne M., and Ashley D. Wright. "Arizona Seasonal Passes for Exhibition Livestock." College of Agriculture, University of Arizona (Tucson, AZ), 2016. http://hdl.handle.net/10150/625415.

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3 pp.<br>Frequently asked questions and answers regarding the Arizona Seasonal Pass application. Any Arizona resident exhibiting cattle, goats, sheep, or swine at any Arizona show or fair is required to obtain a Seasonal Pass.
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21

Weindl, Isabelle. "Livestock futures in a changing world." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18549.

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Die Nutzung von Biomasse als Nahrungs- und Futtermittel sowie als Rohstoff geht mit einem erheblichen Eingriff in biochemische Kreisläufe einher. Die Nutztierhaltung beansprucht dabei den Großteil der ökonomisch genutzten Phytomasse und dominiert Stoffströme in der Landwirtschaft. Während bereits der gegenwärtige ökologische Fußabdruck von tierischen Erzeugnissen Anlass zur Sorge bietet, wird die globale Nachfrage nach Fleisch, Milch und Eiern im Zuge von Bevölkerungswachstum und steigenden Einkommen voraussichtlich weiter zunehmen. Die vorliegende Arbeit untersucht die wechselseitigen Zusamme
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22

Ramí­rez, Serrudo Freddy Claudio. "Analysis of the livestock production system of the Poroma community in the 2° section of the Oropeza province, department of Chuquisaca." BYU ScholarsArchive, 2000. https://scholarsarchive.byu.edu/etd/5425.

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This study was performed in the Poroma community of the Oropeza Province, in the department of Chuquisaca. The Poroma community is characterized by a high poverty level among its members due to a number of different factors. Some of the major factors include: a restricted market, small farms, an absence of support systems, and a lack of support for agricultural development. This lack of support is seen in areas such as: research, roads, electricity, technical assistance, marketing systems, organization, and institutions that support rural development. Numerous studies on the production systems
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23

Godber, Olivia Florence. "Livestock production : sustainable development and environmental constraints." Thesis, University of Bristol, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723443.

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24

Wilkinson, Samantha. "Genetic diversity and structure of livestock breeds." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/6488.

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This thesis addresses the genetic characterisation of livestock breeds, a key aspect of the long-term future breed preservation and, thus, of primary interest for animal breeders and management in the industry. First, the genetic diversity and structure of breeds were investigated. The application of individual-based population genetic approaches at characterising genetic structure was assessed using the British pig breeds. All approaches, except for Principle Component Analysis (PCA), found that the breeds were distinct genetic populations. Bayesian genotypic clustering tools agreed that bree
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25

Demmers, T. G. M. "Ventilation of livestock buildings and ammonia emissions." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339674.

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26

McLeod, Anni. "A model for infectious diseases of livestock." Thesis, University of Reading, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333457.

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27

McCory, Daniel Francis. "Evaluation and development of livestock slurry additives." Thesis, University of Exeter, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275906.

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28

Simango, D. G. "Simulation of natural ventilation for livestock structures." Thesis, University of Aberdeen, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293987.

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Pig production in Malawi and in most of the developing countries is shifting increasingly from pasture or dirt lot to total confinement with improved housing facilities. Keeping pig level temperatures within the comfort zone in hot weather is a common problem in naturally ventilated intensive pig buildings. Automatically controlled natural ventilation (ACNV) has proved to be effective in reducing the problem of heat build up in pig houses and is becoming very popular. However, a method for reducing summer temperatures at animal level in non-automated naturally ventilated intensive pig building
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29

Usha, A. P. "Microsatellite markers in genetic improvement of livestock." Thesis, University of Edinburgh, 1995. http://hdl.handle.net/1842/11490.

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Genome mapping is in the forefront of interest among both plant and animal breeders, enabling the relationship between genes, genome structure and function to be investigated in addition to identifying the location of genes. The prerequisite of a linkage map of the genome is the availability of a large number of highly polymorphic and informative marker loci which are evenly distributed throughout the genome. Microsatellite loci provide the unique class of markers which overcome many of the difficulties associated with the other market types. The availability of a detailed genetic map of the b
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30

Wall, Eileen Elizabeth. "Introgression of favourable alleles into livestock populations." Thesis, University of Edinburgh, 2002. http://hdl.handle.net/1842/14630.

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31

Wilkens, Philadelphia. "Silvopasture interests among livestock producers in Virginia." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/90392.

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Silvopasture is a land-use management practice which intentionally integrates trees, forage, and livestock. It is increasingly prevalent in outreach and extension, yet considerations for adoption are complex. The implementation of a cost-share initiative for silvopasture created by the Natural Resource Conservation Service (NRCS) in Virginia in 2011 provides an opportunity for landowners to establish silvopasture systems on their properties, thus diversifying land management and income, as well as providing environmental benefits. However, research on who might adopt silvopasture and why is ne
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32

Kern, James D. "Energetics of a sustainable crop-livestock system." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/41918.

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<p>This study compares the energy utilization of two systems for producing cattle of desirable slaughter weight and grade from weanlings. Both systems produce beef cattle as a primary output; various types of baled hay are produced as a secondary output. One system uses generally accepted, "best management practices" while the other uses experimental, sustainable agriculture techniques. Since the adoption of new practices in agriculture often hinges on economics, an economic comparison is also presented.</p> Beef produced in the sustainable system required 32% less energy per kilogram than tha
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33

Paul, Robert Myers. "Use of woodchip for agricultural livestock bedding." Thesis, Bangor University, 2013. https://research.bangor.ac.uk/portal/en/theses/use-of-woodchip-for-agricultural-livestock-bedding(d26f7f1e-7f99-40fc-80f1-8faf8a39da19).html.

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Straw price increases due to biofuel demand have created a perceived need within the agricultural industry to investigate and develop alternative bedding materials for housing ruminant livestock. This thesis addresses the suitability of woodchip, as such an alternative, indoor bedding material for livestock, focusing particularly on management of the soiled bedding, its nutrient composition, its use as an agronomic resource and its economic viability within the Welsh farming sector. In all studies, straw was used as the benchmark to which the woodchip treatments were compared. Many studies hav
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34

Dandachi, Iman. "Multi drug resistant organisms in Lebanese livestock." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0286/document.

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De nos jours, l'épidémiologie des bactéries multi-résistantes a évolué et ne se limite plus aux milieux hospitaliers. En effet, les animaux sont désormais considérés comme d’importants réservoirs de bactéries multi-résistantes, notamment des Bacilles à Gram négatif sécréteurs de bêta-lactamases et/ou résistant à la colistine. L'émergence de ces bactéries chez les animaux est due principalement à l’utilisation excessive d’antibiotiques en tant que prophylaxie et facteurs de croissance. Le transfert d’organismes multi-résistants aux antibiotiques provenant d’animaux vers les humains est un probl
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35

Van, Rooyen Jacques. "Livestock production and animal health management systems in communal farming areas at the wildlife-livestock interface in southern Africa." Thesis, University of Pretoria, 2016. http://hdl.handle.net/2263/60128.

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Development of transfrontier conservation areas (TFCAs) in southern Africa depends, among other, on the ability of stakeholders to find practical and sustainable solutions for wildlife‐livestock integration in the conservation landscape. Due to the presence of buffalo Syncerus caffer in most of the TFCAs in southern Africa, foot‐and‐mouth disease (FMD) has to be controlled in susceptible livestock species sharing the rangelands with wildlife. Conventional FMD control measures act as an additional burden on communal livestock producers and may hamper rural development and wildlife‐livestoc
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36

Domozoro, Charles Yaw Fosu. "Ethnobotany and molecular identification of poisonous plants affecting ruminant livestock in Ghana." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25814.

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37

Russell, David Pierce II. "Controlling Forage Weed Species Detrimental to Livestock Production." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10641909.

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<p> Among the vast diversity of plants in the mid-South to which grazing livestock are exposed, there is a need to address certain species that are potentially harmful to livestock health and production. Field and greenhouse experiments were conducted on endophyte-infected tall fescue [<i> Schedonorus arundinaceus</i> (Schreb.) Dumort = <i>Lolium arundinaceum </i> (Schreb.) Darbysh.], a cool-season perennial forage, and perilla mint, (<i>Perilla frutescens</i> (L.) Britton) an herbaceous annual, to determine management techniques and control measures for healthier pasture and livestock systems
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38

Madibela, Othusitse Ricky. "Protein nutrition of livestock grazing high quality pasture." Lincoln University, 2010. http://hdl.handle.net/10182/1571.

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This thesis describes a series of four experiments designed to evaluate the role of the supply of protein in livestock grazing high quality pasture during mating and during pregnancy. The first two studies investigated the effects of high crude protein content of spring or autumn re-growth pasture on the reproductive performance of dairy cows and of ewes at mating. The last two studies investigated how the dietary supply of protein, body condition and their interactions contribute to the breakdown of immunity during the peri-parturient period in ewes and investigated underlying endocrine mecha
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39

Wong, Fung-yee, and 王鳳兒. "Planning for the livestock farming [in] Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1989. http://hub.hku.hk/bib/B31257598.

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40

Lam, Wing-yiu, and 林榮耀. "A study on the livestock waste control scheme." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31253751.

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41

McGinley, Susan. "Curbing Cryptosporidiosis: A New Livestock Vaccine Simplifies Treatment." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/622274.

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42

Wright, Ashley D., Dan B. Faulkner, and S. Peder Cuneo. "Veterinary Feed Directive Changes for Arizona Livestock Producers." College of Agriculture, University of Arizona (Tucson, AZ), 2016. http://hdl.handle.net/10150/625409.

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43

Ankrom, Sharon J. "Perceptions of ethical practices in youth livestock shows." Morgantown, W. Va. : [West Virginia University Libraries], 2009. http://hdl.handle.net/10450/10519.

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Thesis (M.S.)--West Virginia University, 2009.<br>Title from document title page. Document formatted into pages; contains vi, 122 p. : col. ill. Vita. Includes abstract. Includes bibliographical references (p. 51-53).
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44

Wong, Fung-yee. "Planning for the livestock farming [in] Hong Kong /." [Hong Kong : University of Hong Kong], 1989. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1275173X.

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45

Lam, Wing-yiu. "A study on the livestock waste control scheme /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18734121.

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46

Fox, Naomi J. "Predicting impacts of climate change on livestock parasites." Thesis, University of York, 2012. http://etheses.whiterose.ac.uk/4757/.

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The changing abundance and distribution of parasitic helminths has been identified as one of the greatest threats to animal health in the UK under climate change. This is due to the strong influence of abiotic conditions on parasites’ free-living stages. Planning adaptation and mitigation strategies requires predictions of parasite risk, and understanding of subtle interactions between abiotic conditions and parasite transmission. This requires development and application of a range of different modelling approaches. This thesis includes the first long-term forecast showing potential impacts o
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47

Didier, Elizabeth. "Being Prepared for Show Livestock Injuries and Illnesses." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/144742.

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5 pp.<br>Arizona youth livestock quality assurance and food safety: Trainers reference. Arizona youth livestock quality assurance and food safety: Youth manual. Feeding management for show lambs. Feeding management for show steers. Swine nutrition for show animals.<br>Illness or injury to a show animal may be preventable by following a few guidelines. Providing a clean and safe environment and properly feeding, watering, and vaccinating animals will help to reduce the risks of experiencing illnesses and injuries. Owners should also learn how to identify signs of health problems, such as
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48

Moscatelli, Giulia <1992&gt. "Genomic characterisation of pigmentation related traits in livestock." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amsdottorato.unibo.it/9995/3/moscatelli_giulia_tesi_Finale.pdf.

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With the intense use of high throughput genomic technologies, our knowledge about the cattle and pig genomes has rapidly evolved. Over the last years, many investigations have been already carried out to identify major genes and mutations underlying different morphological, productive, and reproductive traits in cattle and pigs. This thesis is the result of research activities focused on the investigation of genomic features to find novel candidate gene markers associated with pigmentation in two Italian local cattle breeds (Reggiana and Modenese) and in an Italian heavy pig breed, the Italia
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49

PERRICONE, VERA. "NEW TECHNOLOGICAL AND NUTRITIONAL APPROACHES IN LIVESTOCK FARMING." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/709026.

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The livestock sector is facing a huge challenge trying to meet the increasing demand of animal products. To this end several efforts have been done to enhance animals’ performances, and nutrition provides a valuable asset. Animals’ performances can indeed be boosted through nutritional approaches, including both the application of technologies in a context of ‘precision nutrition’ and the administration of novel feed additives or feedstuffs with beneficial effects on animals’ health. The main aim of this thesis was to investigate 1) the proficiency of feeding systems for dairy cows (1st trial)
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50

Horgan, Jane Elizabeth. "Testing the effectiveness and cost-efficiency of livestock guarding dogs in Botswana." Thesis, Rhodes University, 2016. http://hdl.handle.net/10962/d1021300.

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Livestock guarding dogs (LSGDs) have been used for centuries to reduce depredation on livestock and more recently, to facilitate the conservation of threatened predator species. Conservation NGOs (non-government organisations) in southern Africa promote the use of Anatolian Shepherds as LSGDs. However, livestock farmers in Botswana have been using a variety of different breeds for this purpose, including the local mixed-breed “Tswana” dogs. Postal, telephonic and face-to-face interview questionnaires were administered to 108 livestock farmers in Botswana to gauge how their LSGDs were being use
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