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Article
Impact of fiber source and feed particle size on swine manure properties related to spontaneous foam formation during anaerobic decomposition
Bioresource Technology
  • M. B. Van Weelden, Iowa State University
  • D. S. Andersen, Iowa State University
  • B. J. Kerr, United States Department of Agriculture
  • S. L. Trabue, United States Department of Agriculture
  • L. M. Pepple, University of Illinois at Urbana-Champaign
Document Type
Article
Publication Version
Published Version
Publication Date
2-1-2016
DOI
10.1016/j.biortech.2015.11.080
Abstract
Foam accumulation in deep-pit manure storage facilities is of concern for swine producers because of the logistical and safety-related problems it creates. A feeding trial was performed to evaluate the impact of feed grind size, fiber source, and manure inoculation on foaming characteristics. Animals were fed: (1) C–SBM (corn–soybean meal): (2) C–DDGS (corn–dried distiller grains with solubles); and (3) C–Soybean Hull (corn–soybean meal with soybean hulls) with each diet ground to either fine (374 μm) or coarse (631 μm) particle size. Two sets of 24 pigs were fed and their manure collected. Factors that decreased feed digestibility (larger grind size and increased fiber content) resulted in increased solids loading to the manure, greater foaming characteristics, more particles in the critical particle size range (2–25 μm), and a greater biological activity/potential.
Comments

This article is from Bioresource Technology 202 (2016): 84–92, doi:10.1016/j.biortech.2015.11.080.

Access
Open
Rights
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.
Language
en
File Format
application/pdf
Citation Information
M. B. Van Weelden, D. S. Andersen, B. J. Kerr, S. L. Trabue, et al.. "Impact of fiber source and feed particle size on swine manure properties related to spontaneous foam formation during anaerobic decomposition" Bioresource Technology Vol. 202 (2016) p. 84 - 92
Available at: http://works.bepress.com/daniel_andersen/42/