Environment - Manure Storage / Application
Establishing Effects of application of Swine Manure on Crop Leaf Damage to Growing Crops
January 12, 2004By Charles Shapiro
The use of irrigation systems to apply swine effluent and liquids from storage and holding ponds is a popular application method due to the labor savings, large volumes of liquid, and when applied...
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 - Manure Storage / Application
Evaluation of Emerging Technologies in Swine Manure Management
October 22, 2003By Samuel K. Baidoo
Our findings in the project indicates that in a wean to finish system: Antibiotics may not be necessary for performance of pigs in a wean to finish system. Antibiotics modifies the micro-flora of the...
Environment - Manure Storage / Application
Field-scale evaluation of the value of manure on soil quality and crop production
October 10, 2003By J.L. Hatfield
Manure is a valuable source of nutrients and organic material for the soil. The observations that have been conducted across several studies have been completed in research plots. A study using...
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 - Water Usage / Conservation
Best Management Practice Research in a Watershed with Swine Production Facilities
June 30, 2003By Mark Tomer
This project has supported research in the South Fork of the Iowa River watershed, where swine and other livestock are being produced, and water resource concerns have been raised. These activities...
Environment - Manure Storage / Application
Dietary crude protein reduction: Impact on ammonium excretion and gastro-intestinal functions in the pig
June 2, 2003By Nathalie L. Trottier
Reducing dietary crude protein concentration leads to a significant reduction in nitrogen losses in the urine, in turn reducing ammonium concentration and ammonia emission. Amino acids, the building...
Environment - Air
Air Emissions from Swine Production Facilities: Assessment of Science and Market-Based Solutions
April 29, 2003By Rhonda Kranz
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
Dust and Gaseous Emissions from a Mechanically-Ventilated Swine Building
April 4, 2003By G. Van Wicklen
