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Modeling small-scale dairy farms in central Mexico using multi-criteria programming

Val-Arreola, D., Kebreab, E. and France, J. (2006) Modeling small-scale dairy farms in central Mexico using multi-criteria programming. Journal of Dairy Science, 89 (5). pp. 1662-1672. ISSN 0022-0302

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Milk supply from Mexican dairy farms does not meet demand and small-scale farms can contribute toward closing the gap. Two multi-criteria programming techniques, goal programming and compromise programming, were used in a study of small-scale dairy farms in central Mexico. To build the goal and compromise programming models, 4 ordinary linear programming models were also developed, which had objective functions to maximize metabolizable energy for milk production, to maximize margin of income over feed costs, to maximize metabolizable protein for milk production, and to minimize purchased feedstuffs. Neither multicriteria approach was significantly better than the other; however, by applying both models it was possible to perform a more comprehensive analysis of these small-scale dairy systems. The multi-criteria programming models affirm findings from previous work and suggest that a forage strategy based on alfalfa, rye-grass, and corn silage would meet nutrient requirements of the herd. Both models suggested that there is an economic advantage in rescheduling the calving season to the second and third calendar quarters to better synchronize higher demand for nutrients with the period of high forage availability.

Item Type:Article
Divisions:Life Sciences > School of Agriculture, Policy and Development
ID Code:9316
Uncontrolled Keywords:small-scale dairy farm, multi-criteria programming, Mexico, CATTLE PRODUCTION SYSTEMS, DECISION-SUPPORT-SYSTEM, FEEDING STRATEGIES, TOLUCA VALLEY, LACTATION

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