Environment - Water Usage / Conservation
Water intake and wastage at nipple drinkers by growing-finishing pigs
January 1, 2005By Y. Z. Li
Three experiments were conducted to assess water intake, water wastage, and a means to decrease water wastage by growing-finishing pigs from nipple drinkers. In Exp. 1, 48 pigs were studied during ...
Environment - Manure Storage / Application
Utilization of Crystalline Amino Acids by the Gut in Growing Pigs
November 1, 2004By Nathalie L. Trottier
Conventional diets containing corn and soybean meal fed to growing pigs can be reduced in protein when a portion of the protein can be replaced by crystalline amino acids. These amino acids allow the...
Environment - Other
Conversion of Hog Manure to Diesel Fuel
September 20, 2004By Richard Russell
Environment - Other
Developing Virtual Engineering Tools for Hoop Swine Housing
July 23, 2004By Dr. Kenneth Bryden Professor|Thomas Richard
Would you fly on airplane that hadn't been tested? Neither would anyone else. Over the past 3 decades, researchers have developed very accurate numerical models for airflow around an airplane...
Environment - Other
A Nebraska Odor Footprint Tool for Planning Pork Facilities
July 1, 2004By Rick Koelsch
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 - Water Usage / Conservation
Fecal-contaminant indicators in soils and water of a watershed producing swine and other livestock
June 17, 2004By Mark Tomer
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...
Environment - Water Usage / Conservation
Nutrient and Pathogen losses to Tile Lines as Influenced by Source of N
June 15, 2004By Gyles Randall
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...
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,...
