Environment - Air
Reduction of Ammonia, Methane, and Carbon Dioxide Emissions from Swine Waste by Dietary Manipulation
June 17, 2005By Scott Carter
The public concern related to the potential for water and air pollution from swine facilities demands that alternative management practices be developed. Dietary manipulation offers a potential...
Environment - Air
Comparative Analysis of Odor Evaluation and Aerosol Monitoring Techniques
February 21, 2005By Robert von Bernuth
Relative to this project, what one really wants to know about a swine facility is whether odor from the unit can be predicted, how good the prediction would be, and how difficult it will be to...
Environment - Air
A Planning Tool for Assessing the Relative Contribution of Facility Components to Air Quality Surrounding Pork Production Sites
January 20, 2005By Dennis D. Shulte
This National Pork Board project resulted in new odor planning tools called “odor roses” and “odor footprints” that provide visual representation of the frequency, direction and extent of...
Environment - Air
Laboratory Evaluation and Field Verification of Single Point Monitors (SPMs) for Measuring Aerial Ammonia and Hydrogen Sulfide Associated with Swine Operations
June 30, 2004By Hongwei Xin
Single Point Monitor is a portable, relatively low cost instrument that can detect relatively low levels of gaseous ammonia and hydrogen sulfide. It is an approved method for measurement of ambient...
Environment - Air
Evaluation of the ammonia emissions from swine production units in Iowa
April 1, 2004By Jerry Hatfield|R. L. Pfeiffer
Ammonia concentrations in the air adjacent to and downwind of swine production units are of concern to producers. Most of the existing measurements have been conducted with single point monitors or...
Environment - Air
Characterization of VOCs and particulates from swine finishing facilities
January 24, 2004By Wendy Powers
Air samples were collected or analyzed onsite from finishing, nursery and breeding and gestation operations twice weekly for a 10-wk period during each of two summers. Samples were analyzed for odor,...
Environment - Air
Direct Measurement of Dietary and Management Strategy Impacts on Ammonia Volatilization
December 22, 2003By Brian Kerr|Diane Panetta|Hongwei Xin|Jeffery Lorimor|Wendy Powers
A study conducted at Iowa State University, by university scientists and researchers from the USAD-ARS Swine Odor and Manure Management Unit evaluated the independent effects of diet and...
Environment - Air
Ammonia, Nitrous Oxide and Methane Emmisions from Deep Bedded Hoop Structures
July 28, 2003By Thomas Richard
Swine hoop structures are an alternative housing system where the pigs are raised on a bedded manure pack. This bedded pack begins a natural composting process inside the building, providing...
Environment - Air
Air Emissions from Swine Production Facilities: Assessment of Science and Market-Based Solutions
April 29, 2003By Gyles Randall
Increased demand for dietary protein from animal sources has resulted in substantial growth and operational shifts in large-scale livestock production systems. But economically successful...
Environment - Air
Air Emissions from Swine Production Facilities: Assessment of Science and Market-Based Solutions
April 29, 2003By Rhonda Kranz
