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Economic Returns from Reducing Poultry Litter Phosphorus with Microbial Phytase

Опубликовано на портале: 28-04-2005
Journal of Agricultural and Applied Economics. 1997.  Vol. 29. No. 2. P. 255-266. 
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.

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