Swine Health - PRRS
Quantifying risk factors for PRRS virus introduction into swine herds through the use of the PRRS Risk Assessment
November 7, 2012By Derald Holtkamp
The total cost of productivity losses due to PRRS virus in the US national breeding and growing pig herd was recently estimated to be $664 million annually. Fifty-five percent, or $365 million...
Swine Health - PRRS
Implementation of an integrated mapping service to support regional control and elimination of PRRS virus
November 6, 2012By Robert B. Morrison
There are approximately 20 regional PRRS projects in the United States in various stages of progress. Each coordinator has their own...
Swine Health - PRRS
Mechanism of PRRSV inhibition of interferon-mediated antiviral response
November 3, 2012By Yan-Jin Zhang
The objective of this project was to study the effect of PRRSV infection on interferon (IFN) signaling and determine the mechanism of the effect. Type I IFNs, such as IFN-α and -β, are...
Swine Health - General Disease
Investigation and characterization of pathogenic and molecular differences in atypical Brachyspira spp. clinical isolates versus classic strains
September 24, 2012By Eric Burrough
Swine dysentery (SD), or bloody scours, has historically been associated with the presence of the strongly beta-hemolytic spirochete Brachyspira hyodysenteriae; however, Brachyspira spp. not...
Swine Health - General Disease
Impact of Influenza vaccination of growing pigs on bioaerosol generation. Identification
August 31, 2012By Montse Torremorell
The 2009 influenza pandemic and the recent H3N2v events have highlighted the constant threat that influenza viruses represent for people and animals. Because influenza viruses are shared between...
Swine Health - General Disease
Investigating the role of PB1-F2 in the pathogenicity of circulating strains of SIV
August 18, 2012By Cathy Miller
The objectives of this study were to initiate an investigation into the impact of a newly identified influenza virus protein, PB1-F2, in swine lineage influenza virus (SIV) pathogenicity....
Swine Health - General Disease
Characterization of emerging porcine parvovirus types in the U.S. pig population
August 9, 2012By Tanja Opriessnig
Recent evidence suggests that changes are occurring with porcine parvovirus (PPV). New strains of paroviruses have been identified in pigs in some parts of the world and questions are being asked...
Swine Health - General Disease
Monitoring of a bacterial infection (Erysipelothrix rhusiopathiae) via oral fluid testing
August 9, 2012By Tanja Opriessnig
Swine erysipelas, when uncontrolled, is an economically important disease caused by Erysipelothrix rhusiopathiae. Pen-based collection of oral fluids has recently been successfully utilized for...
Swine Health - General Disease
Effects of enteric disease on the prevalence of fallback pigs and profitability in a commercial setting
July 24, 2012By John Patience
Pigs can be born as fallbacks, in that they have a lighter birth weight and decreased capacity for postnatal growth. However, pigs with a normal or heavy birth weights can become fallback pigs due to...
Swine Health - General Disease
Comparison of the efficacy of vaccines based on subtype PCV2a or PCV2b in their ability to protect against PCV2b or PCV2a/b challenge
June 27, 2012By Tanja Opriessnig
Essentially all of the current commercial porcine circovirus type 2 (PCV2) vaccines are based on genotype 2a (PCV2a) and are effective in protecting against PCV2b challenge which is the current...
