Incorporating Environmentally Compliant Manure Nutrient Disposal Costs into Least-Cost Livestock Ration Formulation
Livestock rations are formulated to minimize feed cost subject to nutritional requirements for a target performance level, which ignores the potentially substantial cost of disposing of nutrients fed in excess of nutritional requirements. We incorporate nutrient disposal costs into a modified least-cost ration formulation model to arrive at a joint least-cost decision that minimizes the sum of feed and net nutrient disposal costs. The method is demonstrated with phosphorus disposal costs on a representative dairy farm. Herd size, land availability and proximity, crop rotation, and initial soil phosphorus content are shown to be important in determining phosphorus disposal costs.
Volume (Year): 40 (2008)
Issue (Month): 01 (April)
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- Bosch, Darrell J. & Zhu, Minkang & Kornegay, Ervin T., 1997.
"Economic Returns from Reducing Poultry Litter Phosphorus with Microbial Phytase,"
Journal of Agricultural and Applied Economics,
Cambridge University Press, vol. 29(02), pages 255-266, December.
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- Darrell J. Bosch & James W. Pease, 2004. "Manure Applications and Nutrient Standards," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 86(1), pages 14-25.
- Wittenberg, Eric & Wolf, Christopher A., 2005. "2004 Michigan Dairy Grazing Farm Business Analysis Summary," Staff Papers 11709, Michigan State University, Department of Agricultural, Food, and Resource Economics.
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