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Economic Returns From Reducing Poultry Litter Phosphorus With Microbial Phytase


  • Bosch, Darrell J.
  • Zhu, Minkang
  • Kornegay, Ervin T.


Requiring that crop applications of manure be based on phosphorus content (P-standard) could increase poultry litter disposal costs. Microbial phytase reduces litter P content and could reduce litter disposal costs under a P-standard. For a representative Virginia turkey farm, phytase costs $2,500 and could increase value of litter used for fertilizer on the turkey farm by $390 and reduce supplemental P feed costs by $1,431. Based on assumed litter demand and supply, estimated litter export prices with phytase could exceed export prices without phytase by $3.81 per ton. Phytase net returns to the farm are an estimated $ 1,435.

Suggested Citation

  • 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, Southern Agricultural Economics Association, vol. 29(02), December.
  • Handle: RePEc:ags:joaaec:15056

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    References listed on IDEAS

    1. W. Michael Hanemann, 1994. "Valuing the Environment through Contingent Valuation," Journal of Economic Perspectives, American Economic Association, vol. 8(4), pages 19-43, Fall.
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    Cited by:

    1. Adhikari, Murali & Paudel, Krishna P. & Martin, Neil R., Jr., 2002. "An Evaluation Of An Economic Strategy For Preventing Water Pollution Using A Phosphorus Consistent Transportation Model: A Case Of Broiler Litter Management," Agecon Series 31657, Louisiana State University, Department of Agricultural Economics and Agribusiness.
    2. Renck, Ashley Wood, 2001. "Evaluating Changes In Agricultural Market Structure," 2001 Annual Meeting, July 8-11, 2001, Logan, Utah 36121, Western Agricultural Economics Association.
    3. Renck, Ashley Wood, 2003. "Credence Goods: A Labeling Problem?," 2003 Annual Meeting, February 1-5, 2003, Mobile, Alabama 35149, Southern Agricultural Economics Association.
    4. Kaplan, Jonathan D., 2001. "Prevention Versus Utilization Of Excess Nutrients From Animal Feeding Operations:The Case Of Managing Nutrient Uncertainty," 2001 Annual meeting, August 5-8, Chicago, IL 20533, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    5. Hadrich, Joleen C. & Wolf, Christopher A. & Roy Black, J. & Harsh, Stephen B., 2008. "Incorporating Environmentally Compliant Manure Nutrient Disposal Costs into Least-Cost Livestock Ration Formulation," Journal of Agricultural and Applied Economics, Cambridge University Press, vol. 40(01), pages 287-300, April.
    6. Lynch, Lori & Tjaden, Robert, 2001. "Willingness Of Forest Landowners To Use Poultry Litter As Fertilizer," Working Papers 28585, University of Maryland, Department of Agricultural and Resource Economics.
    7. Kaufman, James & Kalaitzandonakes, Nicholas G., 2011. "Mitigating environmental externalities in livestock production through feed biotechnologies," Agricultural Systems, Elsevier, vol. 104(9), pages 770-780.
    8. Yang, Xiao & Bosch, Darrell J. & Nordberg, Tone & Wolfe, Mary Leigh, 2000. "Phosphorus-Based Nutrient Management Planning On Dairy/Poultry Farms: Implications For Economic And Environmental Risks," 2000 Annual meeting, July 30-August 2, Tampa, FL 21756, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).


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