Resultados de búsqueda - "linear programming"

Mobilizing adolescents and young women to promote healthy diets in urban settings of Colombia and Vietnam: Lessons from two action-research programs por Bergeron, Gilles, Nguyen, Phuong Hong, Correa Guzman, Nathalia, Tran, Lan Mai, Hoang, Nga Thu, Restrepo Mesa, Sandra

“…Action-research was done over 3 years (2020–2022) in secondary cities of Colombia (Medellin) and Vietnam (Thai Nguyen) to identify nutrient deficits in adolescent and young women diets; elaborate food-based recommendations to improve their nutritional status using Optifood linear programming; and engage respondents in incorporating suggested recommendations to their diet using a Social Innovation Challenge approach. …”
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Measuring and explaining technical efficiency of dairy farms: A case of smallholder dairy farms in East Africa por Gelan, Ayele, Muriithi, B.W.

“…Firstly, the efficiency scores were measured by a data envelopment analysis (DEA) approach, which was implemented using a linear programming (LP) method. About 18 per cent of the farms were fully productive, each with an efficiency score of unity, which means this group is currently operating on the production possibility frontier. …”
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Integrated health interventions for improved livelihoods: a case study in Ethiopia por Kassie, M., Abro, Z., Wossen, T., Ledermann, S., Diiro, G., Ballo, S., Belayhun, L.

“…We developed a whole-farm multiperiod mathematical linear programming model to examine the economic consequences of the interventions. …”
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Strategies for better integrating nutrient supplementation and dietary diversity approaches for stunting reduction and improved nutrition outcomes: A Rwandan case study por Warner, James, Marivoet, Wim, Covic, Namukolo M., Umugwaneza, M.

“…While current policy discussions generally acknowledge the need for better integrating nutrition‐sensitive approaches into current nutrition‐specific health interventions, most do not weigh the costs and merits or potential synergies.The overall objective of this article is to gain insight into the types of interventions that policy‐makers can select and combine to sustainably improve nutrition outcomes in Rwanda.Making use of the Lives Saved Tool (LiST) combined with linear programming (LP) techniques applied to food consumption data, this article applies a cost–benefit analysis to Rwanda on two distinct intervention bundles targeted at children and pregnant women. …”
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Locally relevant food-based recommendations could increase iron and calcium intake for adolescent girls in Vietnam por Gie, Simone Michelle, Nguyen, Phuong Hong, Bergeron, Gilles, Tran, Lan Mai, Hoang, Nga Thu, Knight, Frances

“…Yet, few studies have investigated the potential of food-based approaches for adolescents. We used linear programming to identify problem nutrients, local nutrient sources, and realistic food-based recommendations (FBRs) to improve nutrient intake among girls 16–22 years in Thai Nguyen, Vietnam. …”
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Food security, poverty and nutrition policy analysis: Statistical methods and applications por Babu, Suresh Chandra, Sanyal, Prabuddha

“…Achieving an ideal diet - modeling with linear programming -- Technical appendices -- Statistical tables.…”
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Non-market benefits of forests: a modelling approach for policy intervention in Mozambique por Nhantumbo, I., Dent, J.B., Kowero, G.S., McGregor, M.J.

“…Potential and still controversial proxies for analysis of the macroeconomic impacts of environmental variables include the creation of the Resource Environmental Accounts (REA) and the Environmental Adjusted Net Domestic Product (EDP) and other approaches such as change of macroeconomic policies and linear programming. Planning sustainable forest management demands an integration of all resources including potential uses by different social groups at the national and international level over medium or long term. …”
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Benefits of integration of cereals and forage legumes with and without crossbred cows in mixed farms - an ex ante analysis for highland Ethiopia por Kassie, M., Jabbar, M.A., Kassa, B., Mohamed-Saleem, M.A.

“…Using experimental data from Ethiopia and elsewhere in the region, linear programming models have been used to determine the economic impacts of cereal-forage legume inter-cropping with and without crossbred cows for a typical highland mixed farm. …”
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Economic incentives for adopting irrigation innovations in arid environments por Bekchanov, Maksud, Lamers, John P.A., Nurmetov, K.

“…Although technical-economic efficiency of potential water-wise options and institutional restrictions for their implementation in the developing and less-developed countries are well documented, little evidence exists about the incentives for farmers and regional development agencies to adopt the efficient irrigation innovations. A linear programming model for optimizing regional agricultural income was developed to analyze the impact of water availability, water pricing, and investment accessibility on water-wise innovation adoption and conveyance efficiency improvement. …”
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Simulation-optimization approach for evaluating the feasibility of managed aquifer recharge in the Samail Lower Catchment, Oman por Ebrahim, Girma Yimer, Jonoski, A., Al-Maktoumi, A., Ahmed, M., Mynett, A.

“…Three groundwater management problems were solved by coupling a simulation model with successive linear programming (SLP) and the nondominated sorting genetic algorithm (NSGA-II) multiobjective genetic algorithm. …”
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Economic analysis of smallholder agricultural production under conditions of risk: case of Vihiga and Kilifi district in Kenya. por Kuyiah, J.W.

“…Coefficients of variation of yields, price and gross margins of the various enterprises are estimated to give an indication of the risks associated with the production of these enterprises. Linear programming analysis is used to identify optimal farm plans feasible with the given set of farm resources endowments and constraints. …”
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The impact of local agrobiodiversity and food interventions on cost, nutritional adequacy, and affordability of women and children's diet in northern Kenya: a modeling exercise por Sarfo, Jacob, Keding, Gudrun B., Boedecker, Julia, Pawelzik, Elke, Termote, Céline

“…Market surveys, focus group discussions in six villages and a 24-h dietary intake recall were used to collect data that were subsequently entered in the cost of diet linear programming tool to model lowest-cost nutritious diets for women and children in Turkana County, Kenya. …”
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Potential contribution of cereal and milk based fermented foods to dietary nutrient intake of 1-5 years old children in Central province in Zambia por Chileshe, Justin, Talsma, Elise F., Schoustra, Sijmen, Borgonjen-van den Berg, Karin J., Handema, Ray, Zwaan, Bas J., Brouwer, Inge D.

“…Secondary dietary intake data was used in Optifood, a linear programming software to develop FBRs, for children aged 1–3 and 4–5 years in Mkushi district of Zambia. …”
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Multi-objective land use allocation modelling for prioritizing climate-smart agricultural interventions por Aggarwal, Pramod K., Thornton, Philip K., Dunnett, Alex, Shirsath, Paresh Bhaskar, Joshi, Pramod K., Pal, Barun Deb, Khatri-Chhetri, Arun, Ghosh, Joydeep

“…The toolkit consists of three major components: (i) land evaluation including assessment of resource availability, land suitability, yield and input-output estimation for all promising crop production practices and technologies for key agro-ecological units; (ii) formulation of scenarios based on policy views and development plans; and (iii) land-use optimization in the form of linear programming models. Climate change and socio-economic drivers condition the land evaluation, technological input-output relations, and specification of optimization objectives that define modelled scenarios. …”
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Modelling crop-livestock systems for achieving food security and increasing production efficiencies in the Ethiopian highlands por Amede, Tilahun, Delve, Robert J.

“…Groups I and III were highly food deficit from their own farms, with production covering less than seven months per year and fulfilling <50% of the recommended daily allowances (RDA) for human nutrition. Using a linear programming optimization model, it was possible to fulfil the RDA of Group I by reallocating the cropping area of maize, sweet potato, coffee and wheat to potato, enset and kale in proportions of 50, 29 and 15%, respectively. …”
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Projecting the contribution of provitamin A maize biofortification and other nutrition interventions to the nutritional adequacy and cost of diets in rural Zimbabwe por Baudron, Frédéric, Cairns, Jill E., Haefele, Stephan M., Hassall, Kirsty L., Thokozile Ndhlela, Nyagumbo, Isaiah, Manzeke-Kangara, Muneta G., Joy, Edward J.M.

“…The composition and cost of the least expensive indicative diets adequate in vitamin A were calculated using linear programming. Results: Very few households would reach adequate intake of vitamin A with the consumption of PVA maize. …”
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Assessing the economic feasibility of assuring nutritionally adequate diets for vulnerable populations in Uttar Pradesh, India: Findings from a “cost of the diet” analysis por Kachwaha, Shivani, Nguyen, Phuong Hong, DeFreese, Michelle, Avula, Rasmi, Cyriac, Shruthi, Girard, Amy, Menon, Purnima

“…Cost of Diet, a linear programming software, was used to assess the minimum cost of different diets, estimate affordability of nutritious diets, and model scenarios of home production and social protection interventions to improve affordability. …”
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Nutrient gaps and dietary adequacy among adolescent girls in rural north-eastern Ghana: The role of local food-based approaches, school-lunch and multiple-micronutrient fortified b... por Azupogo, Fusta, Borgonjen-van den Berg, Karin J., Aryeetey, Richmond, Brouwer, Inge D.

“…Usual intakes were estimated using the National Cancer Institute method. Linear programming with Optifood was used to develop FBRs based on commonly consumed foods (≥5% of participants) and their median serving sizes, intake frequency, nutrient content, and cost per 100 g. …”
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Simulation of costs and benefits of supplementing milking cows with legumes during the dry season in two hillside regions of Nicaragua por Holmann, Federico J., Tiemann, Tassilo T.

“…To calculate the economic return to the investment in alternative forages, a simulation model that applies optimization techniques through linear programming, implemented as a spreadsheet, was used to perform an ex ante evaluation of the costs and benefits of different land use alternatives and of interactions between technological components and biological productivity. …”
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The role of food systems in improving maternal and child nutrition in challenging African low-income settings por Domínguez Salas, Paula, Alarcón, Pablo, Häsler, Barbara, Grace, Delia, Alonso, Silvia, Ferguson, E., Cornelsen, L., Fèvre, Eric M., Rushton, Jonathan

“…Results and conclusions 74% of the children and 26% of the women were anaemic, and had low intakes of several micronutrients. Linear programing analysis indicated that food-based interventions could ensure women’s dietary adequacy for women, for all of these nutrients except iron, as long as intakes of milk and other ASF could be increased from median intakes. …”
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