Sera from hogs were analyzed using the modified direct agglutination test (MAT). Serum samples were collected from sows which were part of the National Animal Health Monitoring System (NAHMS) swine survey. The blood sera on file represented 394 randomly selected hog farms throughout the United...

This paper attempts to contribute to one of the major aspects of international research agenda in agroforestry. A general framework is developed in this paper to capture the dynamic interactions of various components of agroforestry system. Using a multi-seasonal model of agroforestry, the...

We develop a portfolio choice model for farmers faced with both price and production uncertainty who can hedge this uncertainty using both options and futures contracts. We then simulate the decision process of a typical Iowa farmer and derive his or her optimal options and futures position.

Human toxoplasmosis is an infection that has multiple sources: consumption of pork and lamb, water, and handling cat litter and garden soil. While some are, many are not related to livestock production methods. Therefore, there are weak market signals to farmers to change pig production systems,...

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Farmers' attitude towards risk associated with the availability of energy inputs will influence their investment behavior and demand for energy inputs. In order to analyze policies that reduce the risk in energy availability, some modifications in methods are required. This study, using a...