This paper presents a new method for the inclusion of nonlinear demand and supply relationships within a linear programming model. An existing method for this purpose is described first and its ...

Diet models based on goal programming (GP) are valuable tools in designing diets that comply with nutritional, palatability and cost constraints. Results derived from GP models are usually very ...

Intra-year milk supply patterns depend largely on the distribution of cow calving dates which in turn are influenced by climatic factors. The most important and least costly input to milk production ...