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...
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...
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...
Swine Health - PRRS
Role of All of the PRRSV Glycoproteins in Protective Immune Response
March 4, 2010By Asit Pattnaik
Porcine reproductive and respiratory syndrome (PRRS) caused by PRRS virus (PRRSV) is of major economic significance to swine industry in the U.S.A. and worldwide. Currently, there is no effective...
Swine Health - General Disease
Strategies to include STa antigen in vaccine development against porcine post-weaning diarrhea (PWD);
March 2, 2010By Weiping Zhang
Enterotoxigenic Escherichia coli (ETEC) strains are a major cause of diarrhea disease in humans and farm animals. E. coli fimbriae or colonization factor antigens (CFAs) and enterotoxins including...
Swine Health - General Disease
Do capsid mutants with the PCV-2 genotype variations induce virulence differences in vitro and in vivo?
February 15, 2010By Beatrice Grasland
The porcine circovirus of type 2 (PCV-2) is involved in porcine circovirus diseases such as post-weaning multisystemic wasting syndrome (PMWS), reproduction disorders, porcine dermatitis and...
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...