Animal Well-being
The influence of small versus large pens on the welfare of the grow-finisher pig
June 30, 2010By Anna Johnson
Industry accounts have suggested that growth performance traits and morbidity / mortality may be compromised when pigs are reared in large pen configurations. Therefore, the objective of this study...
Pork Safety - Post-Harvest
Electronic Veterinary Prescription Certificates
June 30, 2010By Scott Hurd
Producing healthy pigs is essential for food safety, animal well-being, and the competitiveness of the swine industry. Antibiotics play an important role in the production of healthy pigs....
Public Health - Worker Health & Safety
Hydrogen Sulfide Spatial Distribution and Worker Exposure in Swine Houses
June 24, 2010By Robert Burns
Hazards conditions to human and animal health can occur in swine barns due to sudden bursts of high concentration hydrogen sulfide (H2S) gas released when manure slurry is agitated during...
Environment - Water Usage / Conservation
Water Consumption and Conservation Techniques Currently Available for Swine Production
June 23, 2010By Robert Burns
Water conservation is important in any industry and swine production is no exception. Many water conservation technologies and practices...
Swine Health - PRRS
Vaccination of pigs with alphavirus replicon particles expressing PRRSV ORF 3, 4, 5 and 6
June 21, 2010By D.L. Hank Harris
The objective of this project was to evaluate alphavirus replicon particles (RP) expressing various PRRSV proteins as vaccine candidates. Previous work has identified the minor structural...
Animal Well-being
Evaluation of the relationship between hoof abnormalities and breeding herd female longevity and well-being when housed in gestation and farrowing stalls
June 16, 2010By Anna Johnson
Objective I; Increased hoof abnormality prevalence (e.g. toe and dew claw overgrowth, hoof wall cracks, and hoof pad abrasions) in sow populations observed at harvest suggest that these hoof...
Swine Health - General Disease
Development of an improved Mycoplasma hyopneumoniae-specific ELISA
June 15, 2010By F. Chris Minion
Serology due to its low cost and ease of sample collection is the most common tool used to monitor the status of M. hyopneumoniae infection...
Swine Health - PRRS
Genetic and antigenic characterization of a recent PRRSV isolate
May 30, 2010By Tanja Opriessnig
Porcine reproductive and respiratory syndrome virus (PRRSV) NC16845 was isolated from porcine tissue submitted to the Iowa State University Veterinary Diagnostic Laboratory in 2006. The isolate...
Pork Safety - Pre-Harvest
Pharmacokinetics and tissue residues of procaine penicillin G in sows after administration of 33,000 IU/kg intramuscularly and by needle-free injection – Part A – Live Animal Work
May 17, 2010By Locke Karriker
Forty sows were utilized in a study to determine the plasma concentration profile and tissue residues of procaine penicillin G after injection by two methods (20 sows each method). A target dose...
Swine Health - General Disease
Epidemiology of porcine pestivirus and Torque teno virus in wean-to-finish pigs
May 10, 2010By Jeffrey Zimmerman
Oral fluids are inexpensive to collect. Each pen sample requires a length of cotton rope, a plastic bag, and a snap-cap plastic tube. Labor costs include the time required to place...