Fecal-contaminant indicators in soils and water of a watershed producing swine and other livestock
June 17, 2004By Mark D. Tomer
The South Fork of the Iowa River drains a 215,000 acre watershed that contains nearly 100 confined livestock operations, mostly producing swine. Concerns about water quality in this watershed include...
Public Health - Antibiotics & Resistance
Evaluation of antimicrobial alternatives to reduce the development of antibiotic resistance
June 16, 2004By Darryl Ragland DVM|PhD
The oregano oil product evaluated did not enhance nursery pig performance or influence the development of antimicrobial resistance to the panel of antibiotics used to screen resistance. While a high...
Pork Safety - Pre-Harvest
Pre-nitrate adaptation and chlorate supplementation to reduce Salmonella, Escherichia coli, and Yersinia enterocolitica in swine
June 15, 2004By Robin C. Anderson|Yong Soo Jung
Salmonella, E. coli and Yersinia are bacteria that can cause foodborne illness in humans. These bacteria can be found in the intestinal tract of pigs, therefore methods are sought to rid these...
Swine Health - General Disease
Development of an Antiviral and Vaccine Approach to Control Foot-and-Mouth Disease
June 15, 2004By Marvin J. Grubman
Foot-and-mouth disease virus (FMDV) causes a highly contagious disease of cloven-hoofed animals including swine, cattle, sheep and goats. The economic impact of an FMD outbreak can be devastating as...
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...
Nutrient and Pathogen losses to Tile Lines as Influenced by Source of N
June 15, 2004By Gyles Randall
A study started in 1998 was continued through 2001 to compare the effects
of liquid hog manure and urea applied at similar N rates on corn production and N and P
movement in the soil and into the...
Swine Health - General Disease
Characterization of West Nile Virus Infection in Swine
May 9, 2004By K. B. Platt DVM|Professor of Veterinary Microbiology
West Nile virus (WNV) infects weanling pigs. These infections appear to be mostly inapparent but can result in a reduction of weight gain during the time that WNV is found in the blood. The lesions...
Pork Safety - Pre-Harvest
Role of gilts in the introduction and transmission of Salmonella in swine production systems
May 1, 2004By Ronald M. Weigel
Three swine production units in Illinois were examined with respect to the role of purchased gilts in introducing new genetic variants of Salmonella into a herd, and the risk of incoming gilts...
Air Emissions Monitoring Protocol
May 1, 2004By Dr. Steve
A research project was conducted from May 2004 through mid-September 2005 to investigate the concentration of hydrogen sulfide (H2S) at the perimeter of nine swine operations across the state of...
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...
