Swine Health - General Disease
Environmental Factors that Induce the Expression of Receptors for F18+ Enterotoxigenic Escherichia coli
June 30, 2004By David Francis
This study was conducted to determine why pigs become highly susceptible to F18+ enterotoxigenic E. coli shortly after weaning. It was suspected that the change in susceptibility was triggered by...
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...
Swine Health - General Disease
Development of Real-time, multiplex PCR/RT-PCR assays for improved PRDC pathogen detection
June 28, 2004By Steven B. Kleiboeker
A number of pathogens (both viruses and bacteria) cause respiratory disease in swine. Often the clinical signs of disease are similar for infected pigs. Therefore to accurately diagnose the cause,...
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...
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...
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...
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...
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...
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...
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...
Pork Safety - Pre-Harvest
Determination of Salmonella Classification Levels for Selected Iowa Swine Herds and an Evaluation of Production Risk Factors for Classification Status
May 20, 2004By James McKean
This study represents the first attempt to classify typical Midwestern
production sites for Salmonella spp. sero-prevalence using the Danish classification system. With 1,131 farms represented, this...
Swine Health - General Disease
Detection, Predictors, Immune Mechanisms and Prevalence of PRRSV Persistence in Boars
May 11, 2004By Jane Christopher-Hennings
