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...
Public Health - MRSA
Quantitative Risk Assessment of Human MRSA Caused by Antibiotic Use in Swine
June 18, 2010By Tony Cox
Recent news stories, and many web sites and blogs, have suggested that routine use of antibiotics on pig farms may be threatening public...
Public Health - Influenza
Genetic and antigenic characterization of 2008 H1 swine influenza viruses from the United States
March 22, 2010By Amy Vincent
Influenza A viruses can infect swine, humans, dogs, cats, horses, marine mammals, and many avian species. Influenza A viruses from all host species are classified into subtypes based on the...
Public Health - Salmonella
Salmonella sample cryopreservation enables epidemiologic study, quantification of bacteria and further characterization of bacterial isolates.
February 17, 2010By Peter Bahnson
Salmonella control requires practical means to reliably test for shedding of the organism. Fecal samples offer the potential to sample on farms or at slaughter plants. However, methods to culture...
Public Health - MRSA
Evaluation of methodologies for qualitative and quantitative detection of methicillin-resistant Staphylococcus aureus (MRSA) in retail pork
February 10, 2010By J Scott Weese
Methicillin-resistant Staphylococcus aureus (MRSA) is a critically important cause of disease in people. It has been a leading cause of infections of people in hospitals, and subsequently emerged as...
Public Health - Antibiotics & Resistance
Effects of Subtherapeutic Antibiotics on Antibiotic Resistance and Virulence Gene Transfer in Swine Intestinal Bacteria
December 21, 2009By Steven Carlson
Subtherapeutic antibiotics have been used for decades as growth promotants and prophylactic agents. The following antibiotics are approved for use a feed additives in swine: tetracyclines,...
Public Health - Other Zoonotic Diseases
Epidemiology, Toxino- and Geno-typing of Clostridium difficile in swine at farm, slaughter and retail
July 22, 2009By Wondwossen Gebreyes
We investigated the role of pigs in carrying important strains of C. difficile and the main goal was to determine the prevalence and compare strains of human and porcine origin. Samples were...
Public Health - Other Zoonotic Diseases
Epidemiological survey to determine the prevalence of Clostridium difficile in swine in an integrated swine operation
May 26, 2009By Roger B. Harvey
In recent years, there has been increased incidence and severity of human disease associated with the bacterium Clostridium difficile (Cd). It appears that epidemic disease is being caused by newly...
Public Health - Antibiotics & Resistance
Analysis of in-plant Factors and Genotyping of Antimicrobial Resistance among Four Organisms Isolated from Swine Processing Plants
February 25, 2009By Wondwossen Gebreyes
We investigated the role of factors within processing plants including environmental and body site sources for carriage of for food safety significant pathogens and dissemination of antimicrobial...
Public Health - Antibiotics & Resistance
Tetracycline Concentrations and Circulation of tet Genes in Swine Feeding Operations and Adjacent Environments
February 10, 2009By Andrei Barkovskii
Farm animal manure-associated, antibiotic (AB)-resistant microorganisms and genes encoding this resistance are viewed as important sources for the observed increase of AB resistance in humans and...