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Relevant bibliographies by topics / Livestock production / Dissertations / Theses

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Dissertations / Theses on the topic 'Livestock production'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

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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2

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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3

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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4

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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5

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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6

Giostri, André Faé. "Production and enviromental services of integrated crop livestock systems." reponame:Repositório Institucional da UFPR, 2014. http://hdl.handle.net/1884/38123.

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Orientador : Prof. Dr. Paulo C. de Faccio Carvalho<br>Co-orientador : Prof. Dr. Aníbal de Moraes<br>Co-orientadora : Drª. Laíse da Silveira Pontes<br>Co-orientador : Dr. Abad Chabbi<br>Co-orientador : Dr. Antônio Carlos Vargas Motta<br>Tese (doutorado) - Universidade Federal do Paraná, Setor de Ciências Agrárias, Programa de Pós-Graduação em Agronomia. Defesa: Curitiba, 27/10/2014<br>Inclui referências<br>Área de concentração: Produção vegetal<br>Resumo: Sistemas diversificados de produção agropecuária, tais como sistemas integrados de produção agropecuário (PISA) são uma alternativa para o au

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7

Goncalves, Vitor Salvador Picoa. "Livestock production in Guinea-Bissau : development potentials and constraints." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259470.

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8

Kobayashi, Mimako. "Livestock production in transition economies : the case of Kazakhstan /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.

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9

Rosales, Rolando Barahona. "Condensed tannins in tropical forage legumes : their characterisation and study of their nutritional impact from the standpoint of structure-activity relationships." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298970.

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10

Lopez, Alfredo Benito. "Livestock Production Costs of Small Ranches on the Central Altiplano." BYU ScholarsArchive, 2001. https://scholarsarchive.byu.edu/etd/5387.

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One of the more important economic activities in the Altiplano region is raising livestock, the exploitation of cattle, sheep, and llamas which are raised and adapted to the conditions surrounding this activity. Livestock production plays a fundamental role in the economy of farming families by providing them products such as meat, milk, cheese, fiber, skins, and other products that each translate into monetary revenues. The present study was carried out in the community of "Chama 6 de julio," Ingavi Province, Department of La Paz, about 83 km. (51.6 miles) outside of La Paz at an elevation of

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11

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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12

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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13

Bowen, Judith K. "An economic evaluation of a livestock production project of Bali, Indonesia." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/29772.

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This research was undertaken to determine the profitability of investing research funds into the Three Strata Forage System (TSFS) project, a cattle production project funded by the International Development Research Centre (IDRC) and carried out in the village of Pecatu, Bali. The purpose of the project was to increase the production of cattle and productivity of the traitional farming system by introducing different grass, ground ground legumes, fodder shrubs and trees, and changing the pattern of land allocated to these forages. A TSFS plot foregoes 0.09 hectares of crop production to prod

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14

Anil, Leena. "The growth and utilization of forage maize intercrops for livestock production." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266795.

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15

Garcia, Taylor Jacob. "Reduce Reuse Re-rumen| Repurposing Ruminal Waste for Sustainable Livestock Production." Thesis, Tarleton State University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=10977321.

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<p> Animals with multi-compartmented stomachs, also known as ruminants, are adapted to digest cellulosic materials, which constitute the primary expense on ranches and dairies. Industrial byproducts can be repurposed for livestock diets to decrease these costs. Therefore, finding alternative feedstuffs may benefit the economics of livestock production. The goal of this project was to evaluate alternative uses of ruminal waste from commercial abattoirs. This project addressed two primary objectives. First, ruminal fiber as a potential dietary fiber source was evaluated. Second, the potential fo

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16

zu, Ermgassen Erasmus Klaus Helge Justus. "Strategies for sustainable livestock production in Brazil and the European Union." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/274541.

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Livestock provide as much as one-third of all protein consumed by humans, but have a disproportionate and growing environmental impact. Livestock production occupies 50-75% of agricultural land, contributes 15% of anthropogenic greenhouse gas emissions, and drives agricultural expansion in the tropics through the global trade in animal feed. This thesis therefore evaluates two strategies for shrinking the environmental impact of the livestock sector. First, I evaluate the potential for food losses (i.e. foods which were intended for human consumption, but which ultimately are not directly eate

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17

French, Andrew James. "Transgenic livestock: studies in improved efficiency of production and gene regulation." Title page, table of contents and abstract only, 1991. http://web4.library.adelaide.edu.au/theses/09PH/09phf873.pdf.

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Includes list of papers and publications by the author Includes bibliographical references (leaves 198-231) Reports on studies aimed at increasing the efficiency of livestock transgenesis programs. Overall the experiments provide an improved basis for understanding the application of animal biotechnology to the pig.

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18

Tanner, Jonathan Christian. "Cut-and-carry feeding indigenous forage for sheep and manure-compost production on Java." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262639.

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19

Seiter, Jennifer M. "The fate and speciation of arsenic in soils and poultry production systems." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 327 p, 2009. http://proquest.umi.com/pqdweb?did=1833621191&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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20

Tenca, A. "BIOHYDROGEN PRODUCTION FROM AGRICULTURAL AND LIVESTOCK RESIDUES WITHIN AN INTEGRATED BIOENERGY CONCEPT." Doctoral thesis, Università degli Studi di Milano, 2012. http://hdl.handle.net/2434/169992.

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Concerns about energy security, fossil fuel prices, and climate change issues, are leading to increasing renewable energy demand. Hydrogen is considered as one of the main possible energy carriers in future, due to its environmental (it can be converted to energy with the solely emission of water) and energetic (energy content of 120 MJ/kg, three times higher of the gasoline content of 44 MJ/kg) unique properties. If hydrogen is currently being produced mainly by fossil sources, its production from renewable sources answers to the demand of more environment-friendly exploiting alternatives,

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21

Chen, Jing. "Economic development and the evolution of backyard livestock production : a case study of hog production in China /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://www.gbv.de/dms/zbw/519661605.pdf.

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22

Anindo, David Owino. "Effect of milking and post calving supplementation on the performance and herbage intake of different crossbred beef cows and their calves in a semi-arid area of Kenya." Thesis, University of Aberdeen, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277278.

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The effects on production of milking grazed crossbred cattle (32, 53 and 74 cow and heifer dams in experiments 1, 2 and 3 in 1986, 1987 and 1988 respectively) with or without a dietary supplement (2kg dairy meal daily for 3 to 4 months post-partum) were studied in a semi-arid area of Kenya. During the second and third trials, half the calves from the milked and also the unmilked groups were creep fed for 4 months commencing approximately 1 month from birth. Herbage dry matter intake was determined four times during the wet and dry seasons between November 1988 and May 1989, and the determinist

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23

Davis, Mark A. "Make or buy, feasibility of intermediate good production." Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/32781.

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Master of Agribusiness<br>Department of Agricultural Economics<br>Daniel M. O'Brien<br>In the manufacturing process one decision that is common to all industries is the sourcing of intermediate goods used in production. The decision to make internally verses to outsource can affect a firm's comparative advantage and increased company profits. This project deals with sourcing trace minerals used in the production of feed for the commercial production of food animals in the United States. From looking at the sources of minerals to the industry to the current market structure of the trace mineral

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24

Mallory, Ellen B. "Crop/Livestock Integration Effects on Soil Quality, Crop Production, and Soil Nitrogen Dynamics." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/MalloryEB2007.pdf.

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25

Lubungu, Mary [Verfasser], and Regina [Akademischer Betreuer] Birner. "Development potential of smallholder livestock production in Zambia / Mary Lubungu ; Betreuer: Regina Birner." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2021. http://d-nb.info/123087769X/34.

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26

Shipp, Ginger Marie. "A determination of antibiotic resistance before and after the introduction of production livestock." [Ames, Iowa : Iowa State University], 2009. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3389147.

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27

Nuñez, Lopez Raul Rolando. "Study of livestock production levels in three communities near the city of Riobamba." BYU ScholarsArchive, 1997. https://scholarsarchive.byu.edu/etd/5409.

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This study was done by administering household surveys to 50% of the families in the three communities. Families were selected through stratified random sampling. This allowed us to determine how much families are exploiting species that have a significant level of production as well as whether they use them for a commercial activity or subsistence. With regard to cows, 60.40 ± 4.72% of families use them. Each family has an average of 1.68 ± 0.21 cows. Productive cows make up 36.9% of the above percentage, which is a majority. The measured rate of production was 6.48 ± 0.25 L/cow/day. Overall,

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28

Sedic, Elmir. "Options for the sustainable development of livestock production systems in the Western Balkans." Doctoral thesis, Università Politecnica delle Marche, 2016. http://hdl.handle.net/11566/242962.

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I sistemi di allevamento occupano un terzo della superficie terrestre e, nei paesi in via di sviluppo, costituiscono un importante strumento per la riduzione del rischio per le comunità rurali. Questi sistemi sono molto sensibili all’azione di disturbo di fattori esterni ed hanno una scarsa capacità di adattamento. Recentemente, i Balcani occidentali sono stati interessati da conflitti armati dopo la caduta della Jugoslavia. In risposta a questi fattori sono emerse nuove limitazioni e gap di sviluppo che agricoltori ed allevatori hanno dovuto fronteggiare. Tali divari si sono ancor più amplia

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29

Nestel, Penelope S. "Nutrition of Maasai women and children in relation to subsistence food production." Thesis, King's College London (University of London), 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321254.

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30

Boden, Rosemary Frances. "Evaluation of methodologies for dual-purpose cattle production systems research in South East Mexico." Thesis, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266204.

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31

Papadopulos, Joanna Victoria Calliope. "Response by sheep milking pastoralist households in Jordan to the withdrawal of an input subsidy and related market, environmental, social and policy implications." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325155.

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32

Charron, Dominique F. "Livestock production and stream health in the Great Lakes Basin, an agroecosystem health approach." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq61971.pdf.

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33

Dörfler, Renate Luise. "The assessment of animal welfare in diverse livestock production systems : ethical and scientific issues /." Berlin : Köster, 2007. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=016481730&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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34

Wilkie, Rhoda. "Sentient commodities : human-livestock relations from birth to slaughter in commercial and hobby production." Thesis, University of Aberdeen, 2002. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=165516.

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This thesis is a sociological exploration of how people involved in commercial and hobby livestock production, in Northeast Scotland, make sense of their relations with livestock, from birth to slaughter. I carried out an ethnographic study that combines fieldwork and unstructured interviewing to elicit how mart workers, auctioneers, vets, farmers, stockmen, hobby farmers and slaughter workers regard and interact with livestock. Although livestock are the raw materials of production, I show that the commodity status of livestock is variable and that people's relationships with livestock are co

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35

Phiri, Phillip H. W. "The Economic Role of Range Livestock Production in Kasungu Agricultural Development Division (KADD), Malawi." DigitalCommons@USU, 1997. https://digitalcommons.usu.edu/etd/6554.

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This study was conducted to determine the effects of seas on and auction and produce marketing systems on prices received by farmers for livestock sales and the effect of price on cattle numbers sold in KADD. Livestock population, carrying capacity, and stocking rate were estimated. Data were analyzed using pie charts, regression methods, and analysis of variance. There was no significant difference (P=.06) between cattle prices per kilogram during the wet season and after harvest. During the wet season, significantly more cattle were sold than after harvest (P< .001) to purchase food and farm

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36

Scoones, Ian. "Livestock populations and the household economy : a case study from southern Zimbabwe /." Online version, 1990. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.281919.

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37

De, Oliveira Silva Rafael. "Modelling sustainable intensification in Brazilian agriculture." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/28821.

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At the United Nations Framework Conference on Climate Change COP15 (2009) Brazil presented ambitious commitments or Nationally Appropriate Mitigation Actions (NAMAs), to reduce greenhouse gases emissions (GHGs) mitigation by 2020. At COP21 (2015), the country presented new commitments and a framework to achieve further mitigation targets by 2030 as so-called Intended Nationally Determined Contributions (INDCs). Both NAMAs and INDCs focus on the land use change and agricultural sectors, but the INDCs include a commitment of zero illegal deforestation in the Amazon by 2030. This research focuses

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38

Riedel, Simon [Verfasser]. "Status and Potential of Smallholder Livestock Production Systems in Xishuangbanna, southern P.R. China / Simon Riedel." Kassel : Universitätsbibliothek Kassel, 2013. http://d-nb.info/1035327589/34.

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39

Lansing, Stephanie A. "Performance and Optimization of Low-cost Digesters for Energy Production and Treatment of Livestock Wastewater." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1223474543.

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40

Worley, Charles Thomas. "Implications of liberalized U.S.-Canada trade on regional production and consumption of grain and livestock /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487677267730767.

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41

Hamed, Mubarak A. "Public decision making for land use : assessing alternatives for livestock production in Saline County, Missouri /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9988666.

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42

Kinyua, Maureen Njoki. "Energy Production and Effluent Quality in Tubular Digesters Treating Livestock Waste in Rural Costa Rica." Scholar Commons, 2015. https://scholarcommons.usf.edu/etd/5716.

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Use of tubular anaerobic digesters to treat livestock waste in developing countries has energy, agricultural, health, social and environmental benefits. However, careful use of digester effluent as a soil amendment is required due to the potential presence of protozoan parasites Cryptosporidium parvum and Giardia lamblia. This research investigated the performance of four tubular digesters in the Monteverde region of Costa Rica. High (>75%) volatile solids and BOD5 removal efficiencies were observed, which was attributed to the formation of a biologically active floccular sludge layer. Computa

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43

Cohen, Will E. "Economic Strategies for White-Tailed Deer and Livestock Production on Central and South Texas Ranches." DigitalCommons@USU, 1991. https://digitalcommons.usu.edu/etd/5043.

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Recently, hunting and associated recreation have become an important business for Texas landowners. Most ranchers want to realize maximum net return from their investments. This study's objectives were to develop white-tailed deer (Odocoileus virginianus) and livestock enterprise budgets and to determine optimal economic combinations and levels of deer and livestock enterprises to maximize net returns. Questionnaires were mailed to landowners in the Edwards Plateau and South Texas Plains who purchased shooting preserve licenses in 1985. Five hundred and twenty-four ranchers responded {23.4%).

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44

Allison, John T. Jr. "TWO ESSAYS ON INPUT SUBSTITUTION AND OPTIMAL DECISION MAKING IN CROP AND LIVESTOCK PRODUCTION SYSTEMS." UKnowledge, 2019. https://uknowledge.uky.edu/agecon_etds/80.

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The thesis presented consists of two essays that analyze input substitution and decision making in crop and livestock production systems. The first essay consists of a whole-farm analysis that sought to optimize feed mixes and enterprise combinations for an organic dairy operation in the Southeastern United States. This was accomplished through mathematical programming where whole-farm net returns were maximized, and total feed costs were minimized simultaneously for four milk production level cases. Additionally, the sensitivity of the system and break-even milk price were explored. Results s

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45

Kumbirai, Kaguru Tinashe. "Characterisation of the production and consumption of milk in the communal livestock production sector of the Eastern Cape Province, South Africa." Thesis, University of Fort Hare, 2016. http://hdl.handle.net/10353/3066.

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The study was conducted in Eastern Cape Province, South Africa with the objective of characterising milk production and consumption among the communal households. A pretested semi-structured questionnaire was used to collect data through a single visit survey between June 2014 and May 2015. The study was undertaken in five randomly selected communal districts using a multi – stage area probability sampling method. Household sample size was calculated using a statistical methodology through a fixed formula based on a rural population size of 4410000, at a confidence level of 95 percent. A total

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46

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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47

Habibie, Hasnawaty, University of Western Sydney, of Science Technology and Environment College, and School of Environment and Agriculture. "Participatory action research to improve the livelihood of rural people through livestock production in South Sulawesi, Indonesia." THESIS_CSTE_EAG_Habibie_H.xml, 2003. http://handle.uws.edu.au:8081/1959.7/570.

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This research was conducted within the context of smallholder livestock production and government attempts to improve this through a transfer of technology approach. Participatory action research (PAR) was used to enable action for change to emerge, while the research provided understanding and a basis for this action. Tombolo village in South Sulawesi, Indonesia was the location for this research, which first identified the problems and needs of the farmers, and then participatively developed strategies to meet these needs. Fodder security throughout the year was found to be the major constra

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48

Orozco, Cruz Egresado José. "Diagnosis of livestock production in three communities (La Inmaculada, Tunshi San Miguel, and Ela Guano) using the Chambo irrigation system - Guano." BYU ScholarsArchive, 1997. https://scholarsarchive.byu.edu/etd/5411.

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The purpose of this research was to implement a stratifying sampling system in the communities of La Inmaculada, Tunshi San Miguel, and Ela Guano, part of the Chambo-Guano irrigation system. The domesticated animal population in these communities consisted of cattle, sheep, swine, guinea pigs, and poultry. The animal feed used in these communities included alfalfa, grass, corn stalks, banana, weeds, kitchen residue, hulk, hard and soft corn, barley, wheat and other feed preparations. In general, animal management in these communities is technically deficient and most animals exhibited diseases

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49

Janse, Van Rensburg Marjorie. "Nutritive value of tall fescue (Festuca arundinacea) established on rehabilitated mineland for grazing cattle." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/40338.

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Sustainable animal production on pasture planted on rehabilitated mine land will only be possible if the optimal stocking rate for animal and pasture production is determined. A grazing trial was conducted on tall fescue, established on rehabilitated mine land and irrigated with mine waste water. The aims of this study were to quantify: a) animal performance and nutritive value at different levels of nitrogen (N) fertilization during pasture establishment, and b) intake, animal performance (defined as average daily gain; ADG) and nutritive value when different stocking rates were applied

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50

Ruff, Garth R. "Effects of Housing Management Strategies on Performance and Welfare in Production Swine Operations." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1491815593695301.

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