Swine Health - General Disease
Prevalence of slaughter house condemnation due to Erysipelothrix sp. and further characterization of isolates associated with these cases
February 10, 2010By Tanja Opriessnig
The objective of this study was to confirm the presence and investigate the identity of Erysipelothrix spp. in condemned tissues obtained from a regional abattoir. Tissue specimens from 70 carcasses...
Swine Health - PRRS
Optimization of the PRRSV antibody ELISA for use in oral fluid-based surveillance
February 4, 2010By Jeffrey Zimmerman
PRRSV, M. hyopneumoniae, influenza, PCV2, and other endemic pathogens continue to cause significant economic losses to U.S. swine producers. In part, the disease status quo is maintained by the...
Swine Health - General Disease
PCVAD Induced Immune Dysfunction
January 13, 2010By Richard Hesse
This project included a team of PCVAD researchers from KSU, ISU and SDSU who utilized a single set of experimentally infected pigs to address several important questions related to pathobiology,...
Swine Health - PRRS
Induction of Cross-Protective Immunity without Exposure to Live PRRSV
December 23, 2009By Luis Enjuanes
Explanation of the objectives. The development of more efficacious vaccines was one of the objectives for NPB 2008 funding. The work reported here is focused on the engineering of a modified live...
Swine Health - General Disease
Mapping T cell epitopes in PCV2 capsid protein
December 11, 2009By Carol Wyatt
Effective circovirus vaccines require minimal numbers of conserved B and T cell epitopes that provide protective immunity. At the same time, vaccines must have the capacity to distinguish infected...
Swine Health - PRRS
Estimating the infectious dose for transmission of PRRSV by aerosol exposure
August 11, 2009By Jeffrey Zimmerman
The objective of this research was to quantify the likelihood of PRRSV transmission via aerosols as a function of exposure dose. This information is important because it reveals the process by which...
Swine Health - PRRS
Identification of Type I Interferon Antagonists of PRRSV Viral Structural Proteins
August 3, 2009By Kay S. Faaberg
PRRSV is an important swine pathogen and infections caused by this virus have not been efficiently controlled. This is in part due to the lack of knowledge about the insufficient swine immune...
Swine Health - General Disease
International collaboration to investigate the sensitivity and specificity of Mycoplasma hyopneumoniae PCR assays
July 31, 2009By Eileen Thacker
Mycoplasma hyopneumoniae (MHYO) remains a significant source of economic loss for today’s swine industry. Reliable diagnosis of this organism continues to be a challenge as demonstrated by the...
Swine Health - PRRS
Understanding the role of the regulatory immune response in porcine reproductive and respiratory syndrome virus persistence
July 30, 2009By Tanya LeRoith
This study addressed an important question in the mechanism of persistence and immune suppression by PRRSV. PRRSV persistence currently is a major problem in the field. However, the mechanism by...
Swine Health - General Disease
Is humoral immunity defective in PCV-2 infected piglets?
July 29, 2009By John Butler
Porcine multisystemic wasting syndrome (PMWS) emerged in the mid and late 1990s in herds infected with porcine circovirus type-2 (PCV-2). A growing database of field observations and experimental...