J. Anim Sci.
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J. Anim Sci. 1980. 50:345-348.
© 1980 American Society of Animal Science
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A Unique System for Nutrient Utilization of Cattle Waste1

L. W. Umstadter2

Kaplan Industries, Inc., Bartow, FL 33830

Abstract

Several techniques and methods have been investigated to recover and efficiently utilize nutrients from animal wastes. This paper documents the experiences of Kaplan Industries in the practical application of several technologies for nutrient recovery of cattle wastes. Harvesting algae and fish grown in the lagoon system was difficult and handling the volume of water produced in the cattle operation was a major problem. The relative merits of using beef cattle manure solids from a vibrating solid-liquid separator as a soil amendment or a feed ingredient were evaluated. Manure solids have proved to be a valuable asset for reclamation of sandy, very low producing land left from phosphate mining and as a nutrient source and bedding material for worm production. Recovery of energy from cattle waste by methane production is being investigated. An anaerobic methane gas production plant for a 10,000 head cattle feedlot is being built. Sludge from the digestor will be evaluated as an ingredient in cattle diets.

Footnotes

1 Presented at the Joint 70th Annu. Meet, of the ASAS and 73rd Annu. Meet, of the ADSA, Michigan State Univ., East Lansing, July 12, 1978, as part of a symposium on Management and Utilization of Animal Waste. The symposium was sponsored by the Animal Waste Management Program Committee, ASAS, with financial assistance from the US Environmental Protection Agency and from the US Food and Drug Administration.

2 Assistant to the President and Project Manager, Kaplan Industries, Inc.






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Copyright © 1980 by the American Society of Animal Science.