2,473 research outputs found

    The informativeness of the technical conversion factor for the price ratio of processing livestock

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    The technical conversion factor (TCF) is a survey-based estimate of the percentage of carcass weight obtained per unit of live weight. Practitioners and researchers have used it to predict the corresponding price ratio (PR). We use both in-sample regressions and out-of-sample forecasting analysis to test the validity of this approach in case of predicting the price effects of processing livestock in Europe. By regressing the PR on the inverse value of the corresponding TCF for a large panel of European countries and animal types, we find a significant positive relation between these variables, which also has economic value in terms of improving out-of-sample forecasting precision. This result is shown to be robust to animal type, year, and country fixed effects. The TCF therefore has predictive value about the corresponding PR.(3

    Certification of Pork Products

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    The objective of this paper is to provide insights on the welfare distributional impact on consumer and producer welfare resulting from the development and implementation of a credence certification program in the U.S. pork sector. The certification program can provide various levels of tracking and tracing in the marketing chain. The modeling framework follows that of Nilsson (2005), which encompasses product differentiation and substitution across meat products at the consumer level and across live animal types at the farm level. Processors and retailers have potentially bilateral market power and can supply either or both certified and conventional meat products. One of the key findings is that while as the conventional market contracts and the certified market expands as expected, the magnitude depends on whether suppliers are single-or multiproduct providers. On aggregate, total welfare increases by 15 to 24 percent depending on industry structure.Marketing,


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    Cattle consuming tall fescue pastures infected with the endophyte Neotyphodium coenophialum often suffer physiological disorders that reduce animal performance. One solution is to replace endophyte-infected tall fescue pastures with an endophyte-free mixture. A benefit-cost analysis was conducted to determine the profitability of pasture restoration. The profitability of this action depends on the percentage of endophyte in existing pastures, the discount rate, and the stand life of the endophyte-free tall fescue variety. Our benefit-cost analysis results indicate that in order for pasture replacement to be profitable, the existing pastures must be infected with more than 16.1% of the endophyte, assuming the stand life of endophyte-free tall fescue is 12 years and the discount rate is three per cent. Additionally, a sensitivity analysis was conducted to determine the impact on the critical infestation level when the following parameters are changed: the discount rate, the baseline calving rates, and the pasture stand life. This research provides farmers with a practical investment analysis model for replacing endophyte-infected with endophyte-free tall fescue pastures.Land Economics/Use,

    Where should livestock graze? Integrated modeling and optimization to guide grazing management in the Cañete basin, Peru

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    Integrated watershed management allows decision-makers to balance competing objectives, for example agricultural production and protection of water resources. Here, we developed a spatially-explicit approach to support such management in the Cañete watershed, Peru. We modeled the effect of grazing management on three services – livestock production, erosion control, and baseflow provision – and used an optimization routine to simulate landscapes providing the highest level of services. Over the entire watershed, there was a trade-off between livestock productivity and hydrologic services and we identified locations that minimized this trade-off for a given set of preferences. Given the knowledge gaps in ecohydrology and practical constraints not represented in the optimizer, we assessed the robustness of spatial recommendations, i.e. revealing areas most often selected by the optimizer. We conclude with a discussion of the practical decisions involved in using optimization frameworks to inform watershed management programs, and the research needs to better inform the design of such programs

    HACCP/RMP Adoption in the New Zealand Meat Industry

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    In New Zealand, the Animal Products Act 1999 requires that all animal product primary processing businesses must have a risk management programme (RMP) based on the principles of Hazards Analysis and Critical Control Point (HACCP). However, due to market access requirements, many primary food exporters have voluntarily adopted HACCP systems for food safety management since the 1990s. This paper studies the process of HACCP/RMP adoption and the transition from voluntary HACCP to mandatory RMP in New Zealand Meat Industry. The main issues explored are plants' motivations, implementation problems, costs and benefits associated with the implementation of HACCP/RMP. The paper concludes with implications for policy design and further research.HACCP/RMP implementation, HACCP/RMP benefits and costs, New Zealand Meat Industry, Agricultural and Food Policy,

    A Nonparametric Approach to The Analysis of HACCP/RMP Implementation Process

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    In this paper we conduct an analysis of the implementation of HACCP/RMP in the NZ Meat Industry based on the data collected from our recent survey. Nonparametric methods are used to measure the association between plant characteristics such as size, age, activities, and food safety management practices and HACCP/RMP adoption motivations, implementation problems, benefits, and costs. Results give insights into the ongoing process of mandatory RMP in New Zealand.HACCP/RMP implementation, New Zealand Meat Industry, nonparametric methods, Agricultural and Food Policy, Crop Production/Industries, Environmental Economics and Policy, Farm Management, Land Economics/Use, Livestock Production/Industries, Research Methods/ Statistical Methods,