Swine Health - General Disease
PCV2 replication and disease enhancement through lymphocyte stimulation
April 19, 2010By Dr. Eileen Thacker
Porcine circovirus type 2 (PCV2) causes a number of diseases including PMWS. The number of pigs that are infected with PCV2 that go on to clinical disease is extremely variable. The exact mechanism...
Pork Safety - Pre-Harvest
Expansion of the Salmonella in Pork Risk Assessment: Incorporation of Toxoplasma in pork, and assessing the relationship between on-farm factors and risk.
April 8, 2010By Greg Paoli
We extended our previous farm-to-illness model (NPB project number 07-079) to incorporate the risk of human toxoplasmosis as well as salmonellosis, from the consumption of both fresh intact pork...
Swine Health - General Disease
Comparison of the level of protection and long-term duration of immunity induced by different commercial PCV2 vaccines and an experimental PCV1-2 live vaccine in conventional pigs
April 7, 2010By Tanja Opriessnig
The efficacy of commercial porcine circovirus type 2 (PCV2) vaccines and a live PCV1-2a chimeric vaccine were compared in conventional PCV2 positive piglets using a PCV2-PRRSV-PPV coinfection model....
Swine Health - General Disease
Understanding the Immunopathogenesis of Porcine Multisystemic Wasting Syndrome: the Immunological Effects of PCV2 and PRRSV Co-infection
April 1, 2010By Tanya LeRoith
This study addressed an important question about the immunological interactions between PCV2 and PRRSV. Although PCV2 has been recognized as the major contributor to PCVAD, it is difficult to...
Swine Health - General Disease
Evaluation of pathogenesis of concurrent SIV and PCV2 infection in CD/CD pigs
March 31, 2010By Stephen Lenz
The objectives of the project were to determine if 1) SIV infection (H1N1, not pandemic H1N1) could initiate...
Pork Safety - Pre-Harvest
Genotyping of Campylobacter coli in Pigs from Farm to Fork
March 25, 2010By Wondwossen Gebreyes
Campylobacter is a bacterial organism that causes 2.4 million foodborne illnesses annually in the United States. Pigs can be infected with these pathogens without symptoms, and fecal contamination of...
Swine Health - General Disease
The role of maternal antibody in determining PCV2 vaccine efficacy
March 25, 2010By Raymond R. Rowland
Commercial PCV2 vaccines are remarkably effective in controlling PCVAD. However, there are still concerns regarding the appearance of what appears to be “vaccination failures”, which...
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...
Swine Health - General Disease
Testing of a live enterotoxigenic E. coli vaccine candidate for its potential as a competitive exclusion probiotic for preventing colibacillosis in weaned pigs.
March 20, 2010By David Francis
The bacterium Enterotoxigenic Escherichia coli (E. coli) is a major cause of post-weaning scours in weaned pigs, most frequently causing disease shortly after weaning. Currently no licensed vaccines...
Swine Health - General Disease
Development of a live attenuated vaccine against swine influenza by reverse genetics
March 17, 2010By Yan Zhou
Influenza A virus causes significant morbidity in swine, resulting in a substantial economic burden. Swine influenza virus also poses threat to public health, a prime example is the recent emerged...
