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Livestock rations are formulated to minimize feed cost subject to nutritional requirementsfor a target performance level, which ignores the potentially substantial cost of disposing ofnutrients fed in excess of nutritional requirements. We incorporate nutrient disposal costsinto a modified least-cost ration formulation model to arrive at a joint least-cost decisionthat minimizes the sum of feed and net nutrient disposal costs. The method is demonstratedwith phosphorus disposal costs on a representative dairy farm. Herd size, land availabilityand proximity, crop rotation, and initial soil phosphorus content are shown to be importantin determining phosphorus disposal costs.

Keywords: environmental compliance ; linear programming ; livestock rations ; manure disposal

Subject(s): Agribusiness

Environmental Economics and Policy

Livestock Production/Industries

Issue Date: 2008-04

Publication Type: Journal Article

PURL Identifier: http://purl.umn.edu/45525 Published in: Journal of Agricultural and Applied Economics, Volume 40, Number 1 Page range: 287-300

Total Pages: 14

JEL Codes: C61; Q12; Q52

Series Statement: JAAE

Record appears in: Southern Agricultural Economics Association (SAEA) > Journal of Agricultural and Applied Economics





Autor: Hadrich, Joleen C. ; Wolf, Christopher A. ; Black, J. Roy ; Harsh, Stephen B.

Fuente: http://ageconsearch.umn.edu/record/45525?ln=en



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