Linked Economic And Animal Systems Leas Model Technical Documentation

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Linked Economic And Animal Systems Leas Model Technical Documentation
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Author : Aragie, Emerta
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2021-03-31
Linked Economic And Animal Systems Leas Model Technical Documentation written by Aragie, Emerta and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-31 with Political Science categories.
The herd dynamics model (HDM) component of the Linked Economic and Animal Systems (LEAS) model specifically documented here is developed in the context of the Feed the Future Innovation Lab for Livestock Systems financed by the United States Agency for International Development (USAID) and managed by the University of Florida’s Institute of Food and Animal Sciences. The main objective of this project is to develop a comprehensive analytical approach or systems model capable of assessing (i) how animal herd or flock sizes change over time and in response to on-farm policies; (ii) how alternative national trends and policies affect future development of the livestock system as a whole; (iii) how changes in livestock policies affect people working throughout the livestock system; and (iv) how changes in animal-source food (ASF) production and prices affect the real incomes and consumption patterns of different population groups. The HDM developed provides a highly detailed description of the cattle sector while laying a framework that can be easily adapted to other types of livestock. The model allows one to closely examine the performance of the livestock sector disaggregated by agroecology zones or regions. The HDM is linked both ways with a core economywide model through economic variables such as relative prices of livestock activities, prices and availability of intermediate inputs including feed, and changes in supply of livestock capital in the meat and milk production sectors. Given the complex interplay in the livestock sector such as offtake decisions, death rates, milk and meat yield, and feeding practices (through quality indexed feed demand), the HDM developed under this project is a fully dynamic livestock sector model that provides several avenues for policy analysis on livestock management, the sector’s future trajectory, and its dynamics, given risks and opportunities within the sector and beyond.
Linked Economic And Animal Systems Leas Model
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Author : Emerta Aragie
language : en
Publisher:
Release Date : 2021
Linked Economic And Animal Systems Leas Model written by Emerta Aragie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Modeling Crop Livestock Interactions In Semi Subsistence Economies
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Author : Aragie, Emerta A.
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2024-10-07
Modeling Crop Livestock Interactions In Semi Subsistence Economies written by Aragie, Emerta A. and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-10-07 with Political Science categories.
Climate and weather shocks pose significant threats to crop-livestock systems, leading to economic losses and humanitarian crises. Utilizing a modeling framework that innovatively integrates the crop and livestock systems, this study examines the interactions and dynamic adjustments within these systems following weather shocks, using Ethiopia as a case study. We also evaluate the effectiveness of various adaptation strategies in sustaining farm incomes, food security, and welfare. Results show unique effects on the crop and livestock sectors resulting from a joint shock on the two systems. While food crops experience a strong and immediate growth effect that fades quickly, the livestock sector faces the full impact of the shock a year later, with the effect persisting to some degree. We also find diverging economic and livestock system adjustment trajectories from the separate shocks to the crop and livestock systems. Further, the intervention options analyzed show contrasting impacts on various outcome indications, with only the resilient crop intervention causing sector-indifferent impacts. Our findings emphasize the importance of proactive measures to enhance the resilience of crop-livestock systems, with implications for policy and practice aimed at safeguarding food security and livelihoods in semi-subsistence economies.
The Dynamic Impacts Of Alternative Livestock Sector Intervention And Spending Options In Rwanda
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Author : Aragie, Emerta
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2025-03-18
The Dynamic Impacts Of Alternative Livestock Sector Intervention And Spending Options In Rwanda written by Aragie, Emerta and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-18 with Political Science categories.
This study evaluates the cost-effectiveness of various livestock interventions—feed, breeding, and health—and budget allocation strategies (balanced, feed-oriented, breeding oriented, and health-oriented) in the context of Rwanda’s economic and livestock systems. Using an economic and livestock systems integrated framework, the research highlights moderate yet sustained impacts on agricultural Gross Domestic Product (GDP) and significant improvements in the livestock sector. Overall, breeding interventions have the largest cumulative effect on agricultural GDP, while health measures, particularly dewormers, yield long-term gains in livestock productivity. Under the balanced scenario, breeding contributes significantly to both meat and milk sector GDP, while feed interventions show a smaller impact overall. The study also finds that biased spending scenarios lead to differing outcomes across livestock sub-sectors. Breeding-oriented spending boosts milk GDP initially, whereas health-oriented spending excels in meat production through reduced deaths and increased liveweight. By the end of the simulation period, a balanced investment strategy results in a 12.5 percent increase in meat yield and a 27 percent rise in milk yield, largely driven by breeding. Health interventions, particularly deworming, are crucial for sustained meat production, while improved feed mitigates mortality and supports stock growth. These results can support policy dialogue, such as the recently introduced Fifth Strategic Plan for Agriculture Transformation (PSTA 5), as policy makers seek to revitalize the livestock sector and enhance its resilience to future challenges.
Resilience In Conflict Affected Livestock Value Chains
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Author : Rich, K. M.
language : en
Publisher: Food & Agriculture Org. [Author] [Author]
Release Date : 2024-05-09
Resilience In Conflict Affected Livestock Value Chains written by Rich, K. M. and has been published by Food & Agriculture Org. [Author] [Author] this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-09 with Technology & Engineering categories.
Livestock value chains present a multitude of challenges in the analysis of resilience given their multidimensional role in livelihoods and complexities associated with their biological aspects of production. [Author] This paper discusses these challenges at length and provides some guidance on methodological and operational modalities to tease out these nuances that better inform public policy and the choice of technical and policy interventions. [Author] Specific advice on models, data and applications is provided. [Author]
Public Investment Prioritization For Rwanda S Inclusive Agricultural Transformation Evidence From Rural Investment And Policy Analysis Modeling
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Author : Aragie, Emerta
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2022-02-22
Public Investment Prioritization For Rwanda S Inclusive Agricultural Transformation Evidence From Rural Investment And Policy Analysis Modeling written by Aragie, Emerta and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-22 with Political Science categories.
As Rwanda is expected to return to its rapid growth trajectory following the COVID-19 pandemic, agriculture will continue to play a central role in the structural transformation of the entire economy. To this end, the Government of Rwanda continues to invest in the agricultural sector by building on Strategic Plans for the Transformation of Agriculture (PSTAs) that began in the early 2000s. The challenging question is how to prioritize public expenditures across a broad portfolio of policies and programs. Ambitious plans, whether in the short or long term, require difficult decisions. The prioritization of public investment becomes even more complex as Rwanda’s structural transformation advances and as new investments—beyond the farm—become critically important for the agricultural sector. The structural transformation process itself means that as agriculture becomes more integrated with the rest of the economy, public resource allocations need to address a wider range of issues across the entire food system; these include nutrition-sensitive food production systems, inclusive value chain development, nonfarm rural enterprise development, and climate-resilient sustainable intensification of both crops and livestock. This study provides evidence that is designed to assist the Government of Rwanda in its selection of agricultural policy, investment, and expenditure portfolios that reflect the country’s broad focus on its food system and structural transformation. This process of prioritization will need to incorporate multiple public investments targeting multiple development outcomes and will need to be grounded in the costeffective use of public resources in a largely market-led transformation process. This data-driven and evidence-based approach must critically underpin an informed investment prioritization process that helps achieve ambitious targets in an environment constrained by limited public resources. The study uses the Rural Investment and Policy Analysis (RIAPA) economywide model developed by the International Food Policy Research Institute (IFPRI), with contributions from colleagues at the Ministry of Agriculture and Animal Resources (MINAGRI), the Ministry of Finance and Economic Planning (MINECOFIN) and the National Institute of Statistics of Rwanda (NISR). The study draws on data from multiple sources as well as expert insights to inform the application of RIAPA’s Agricultural Investment for Data Analyzer (AIDA) module as a tool to measure the impacts of alternative public expenditure options on multiple development outcomes. Using this integrated modeling framework, the study links agricultural and rural development spending to four specific outcomes: economic growth, job creation, poverty reduction, and diet quality improvement; at the same time, it considers the synergies and tradeoffs associated with the different investment options in the transformation process. The paper first assesses the contribution of public expenditures to agricultural and rural development under the fourth Strategic Plan for Agriculture Transformation (PSTA 4) that extends between 2018 and 2024. These findings are important, given the fact that since the beginning of PSTA 4, the budget allocated to MINAGRI (measured in constant prices) has stagnated. Our results suggest that increased spending on agriculture is well justified and that such spending is essential if the Government of Rwanda is to achieve its long-term development goals.
Inventory Of Federal Energy Related Environment And Safety Research For
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Author :
language : en
Publisher:
Release Date : 1980
Inventory Of Federal Energy Related Environment And Safety Research For written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Environmental engineering categories.
Inventory Of Federal Energy Related Environment And Safety Research For Fy 1978
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Author :
language : en
Publisher:
Release Date : 1979
Inventory Of Federal Energy Related Environment And Safety Research For Fy 1978 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Environmental engineering categories.
Inventory Of Federal Energy Related Environment And Safety Research For Fy 1978 Project Listings And Indexes
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Author :
language : en
Publisher:
Release Date : 1979
Inventory Of Federal Energy Related Environment And Safety Research For Fy 1978 Project Listings And Indexes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Environmental engineering categories.
Epa Publications Bibliography Quarterly Abstract Bulletin
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Author : United States. Environmental Protection Agency
language : en
Publisher:
Release Date : 2000
Epa Publications Bibliography Quarterly Abstract Bulletin written by United States. Environmental Protection Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Environmental protection categories.