The goal of this study was to analyze water use in the U.S. pork industry using Life Cycle Assessment (LCA) methodology. LCAs are quantitative analyses of complex systems for the evaluation of impacts and risks associated with management decisions. LCA…
Evaluating Nutrient (nitrogen and ortho-phosphate) Export with Subsurface Drainage Water from Spring Applied Swine Manure to Soybean Planted Micro-watersheds
The objective of this project is to evaluate the impact of spring applied swine manure for soybean crop on sub-surface drainage water quality from non-replicated micro-watersheds. To evaluate this impact, sub-surface flow from tile outlets in two micro-watersheds planted to…
Water Consumption and Conservation Techniques Currently Available for Swine Production
Water conservation is important in any industry and swine production is no exception. Many water conservation technologies and practices are currently used in swine production, but not universally. The goal of this paper was to provide an in-depth review of…
Phosphorus Level Loading by Swine Effluent in a Field Injected Laboratory to Examine River Basin and Watershed Water Quality in Surface Water Runoff and Tile Water Discharge
Measurement and Prediction of Phosphorus Transport from Swine Manure at the Watershed Scale
Impact of Liquid Swine Manure Application on Surface andGround Water Quality
Optimizing the Placement of Practices that Improve Water Quality Within a Watershed
Pathogenic and Indicator Bacteria in Agricultural Watersheds
Escherichia coli and Enterococcus are indicator bacteria that were measured in Iowa streams that drain land with different levels of swine production. We completed a study monitoring=g these bacteria over three and one-half years. Bacteria were readily transported from manured…
Fecal-contaminant indicators in soils and water of a watershed producing swine and other livestock
This study reports on the presence of the bacterium E. coli in agricultural watersheds, which indicates fecal pollution. We examined its survival in soil and its transport in tile drainage and runoff. We also report on the presence of tylosin,…
Nutrient and Pathogen losses to Tile Lines as Influenced by Source of N
Land application of swine manure on tile-drained soils has become a controversial issue in some swine producing areas because of uncertainties regarding the leaching of nitrates, phosphorus, and pathogens through the soil and into tile drainage water. A study was…