Forage production and nutrient availability in small-scale dairy systems in central Mexico using linear programming and partial budgeting
Val-Arreola, D., Kebreab, E., Mills, J. A. N., Wiggins, S. L. and France, J. (2004) Forage production and nutrient availability in small-scale dairy systems in central Mexico using linear programming and partial budgeting. Nutrient Cycling in Agroecosystems, 69 (3). pp. 191-201. ISSN 1385-1314
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To link to this article DOI: 10.1023/B:FRES.0000035173.67852.e8
Small-scale dairy systems play an important role in the Mexican dairy sector and farm planning activities related to resource allocation have a significant impact on the profitability of such enterprises. Linear programming is a technique widely used for planning and ration formulation, and partial budgeting is a technique for assessing the impact of changes on the profitability of an enterprise. This study used both methods to optimise land use for forage production and nutrient availability, and to evaluate the economic impact of such changes in small-scale Mexican dairy systems. The model showed satisfactory performance when optimal solutions were compared with the traditional strategy. The strategy using fresh ryegrass, maize silage and oat hay, and the strategy using a combination of alfalfa hay, maize silage, fresh ryegrass and oat hay appeared attractive options for providing a better nutrient supply and maintaining a higher stocking rate throughout the year than the traditional strategy.
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