Swine Health - General Disease
Effect of PCV2 vaccination on chronic PCV2 infection and determination of infectivity of PCV2 present in chronically infected pigs
January 13, 2012By Tanja Opriessnig
The objectives were to determine transmissibility of PCV2 to naïve contact pigs 140 days after infection of resident pigs and the...
Swine Health - General Disease
The prevalence of PCV2 viremia in conventional piglets born to PCV2- vaccinated and non-vaccinated sows and effect of PCV2 viremia on pig performance
January 13, 2012By Tanja Opriessnig
The objectives of this study were to further confirm vertical transmission of porcine circovirus type 2 (PCV2) and determine the effect of dam vaccination on PCV2 viremia in newborn piglets. Seventy...
Swine Health - General Disease
The efficacy of sow vaccination with commercial PCV2 vaccines and an experimental live PCV1-2 product
December 6, 2011By Tanja Opriessnig
Porcine circovirus type 2 (PCV2) is associated with reproductive failure in the field and because of this PCV2 vaccines are now being used in some breeding herds. Research has demonstrated that PCV2...
Swine Health - PRRS
Development of novel mucosal vaccines for the control of PRRSV outbreaks
November 29, 2011By Renukaradhya Gourapura
Porcine Reproductive and Respiratory Syndrome (PRRS) is an economically important chronic viral disease of pigs. Available PRRS virus (PRRSV) vaccines are not completely protective to control the...
Swine Health - General Disease
Antigen-specific T cell responses associated with PCVAD pathogenesis
September 30, 2011By Carol Wyatt
This project was intended to determine whether or not pig with PCVAD had T lymphocytes that responded to different epitopes of the PCV CP, when compared with vaccinated pigs or pigs that had been...
Swine Health - General Disease
Genetic assessment of VDL SIV isolate pool for evidence of the swine flu strain reported to be infecting people and development of a high-throughput differential test for the novel strain
August 6, 2011By Kyoung-Jin Yoon
A novel H1N1 influenza virus (initially named “Swine Flu” and now referred to as “2009 pandemic H1N1”) emerged and caused widespread clinical disease in US and other...
Swine Health - General Disease
Improvement of vaccine protection against swine influenza: Proof-of-concept
August 6, 2011By Kyoung-Jin Yoon
Swine influenza is a growing problem in the U.S. swine industry although the disease and etiology have been known for a long time. Historically, swine influenza in the U.S. had been only due to...
Swine Health - PRRS
Development of diagnostic assays for detecting PRRSV infection using oral fluid samples as an alternative to serum-based assays
July 26, 2011By Ying Fang
Currently, diagnosis of PRRSV infection is by virus antigen, nucleic acid or antibody detection in serum samples. Thus, serum is the standard sample for diagnostic evaluation. However,...
Swine Health - PRRS
Assessment of the Economic Impact of Porcine Reproductive and Respiratory Syndrome Virus on U.S. Pork Producers
July 25, 2011By Derald Holtkamp
An economic analysis published in 2005 estimated that productivity losses from clinical porcine reproductive and respiratory syndrome (PRRS) virus infections cost U.S. pork producers $560...
Swine Health - General Disease
Contribution of prior SIV infection in enhancing secondary Haemophilus parasuis disease
July 25, 2011By Crystal Loving
Porcine respiratory disease complex (PRDC) is a multifactorial disease process with a variety of infectious agents contributing to disease. The complex cannot be simply explained as infection with...