Economic analysis of phosphorus-reducing technologies in pork production

Michael A. Boland, Paul V. Preckel, Kenneth A. Foster

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Soil phosphorus levels have increased as pork production has become concentrated. Phosphorus-based manure management regulations for land application have been proposed by policy makers. The objective of this study is to determine benefits/costs of adopting two alternatives for reducing phosphorus: synthetic amino acids or phytase. An optimization model is constructed to determine optimal excreted nitrogen and phosphorus from alternative feed ingredients. Results are derived using different manure storage and application systems. While the two alternatives are not least-cost ingredients, they become profitable when producers are constrained by land. An important result is that the net cost of manure is negative.

Original languageEnglish (US)
Pages (from-to)468-482
Number of pages15
JournalJournal of Agricultural and Resource Economics
Issue number2
StatePublished - Dec 1 1998


  • Cost-benefit analysis
  • Manure management
  • Pork production
  • Swine


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