Swine Health - General Disease
Characterization of emerging porcine parvovirus types in the U.S. pig population
July 21, 2014By Tanja Opriessnig
A new porcine parvovirus (PPV), provisionally designated asPPV5, was identified in U.S. pigs. PPV5 is most closely related to PPV4 with overall genomic...
Swine Health - PRRS
PRRS Immunology Literature Review
July 16, 2014By Crystal Loving
PRRSV infection is a chronic infection, persisting in an animal for months. While the early stages of disease are associated with virus in the blood, that virus is eventually cleared; however,...
Swine Health - PRRS
Identification of Genetic Mutations that Confer Escape from Innate or Adaptive Host Immune Responses During PRRSV Infection In Vivo
July 15, 2014By Susan Carpenter
The major goal of the proposed study was to identify specific genetic mutations in the PRRS virus genome that confer escape from host immune responses during PRRSV infection in vivo. The study used...
Swine Health - PRRS
PRRSV protective immunity of broad spectrum: Strategies to induce pan-neutralizing antibodies in a pig
July 8, 2014By Fernando Osorio
The betterment of PRRSV vaccines is a national priority for the swine industry and for USDA as well. National Pork Board’s Swine Research Program and also USDA-AFRI-NIFA research program assign...
Swine Health - General Disease
Determination of the virulence of a mutant PCV2 (PCV2d) recently identified in cases of apparent vaccine failure and the ability of commercial PCV2a vaccines to protect against PCV2d
July 4, 2014By Tanja Opriessnig
PCV2d (formerly known as mutant or mPCV2) emerged in the U.S. in 2012 and important questions on virulence of this novel strain and vaccine protection by currently used vaccines needed to be...
Swine Health - PRRS
PRRS Virology Literature Review
July 1, 2014By Dongwan Yoo
Pork producers face many different challenges to the health of their pigs, and PRRS (porcine reproductive and respiratory syndrome) is one of such challenges. PRRS emerged in the US for the first...
Swine Health - General Disease
Development of modified live attenuated virus vaccine expressing porcine IL-18
July 1, 2014By Wenjun Ma
This proposal evaluated a live attenuated virus vaccine expressing porcine cytokine IL-18 in pigs that is expected to provide enhanced protection against different swine influenza virus (SIV)...
Swine Health - General Disease
Sequencing and characterization of genes encoding capsid proteins VP4, VP6 and VP7 from field porcine rotavirus strains
July 1, 2014By Jianfa Bai
The lack of genome sequence information largely limited our ability to generate accurate molecular diagnostics and to identify vaccine candidate for porcine rotaviruses, especially for group B and C...
Swine Health - General Disease
Development of a genus-specific virulence gene PCR panel for Brachyspira spp.
June 26, 2014By J. Glenn Songer
In the latter part of 2008 and early 2009, strongly beta-hemolytic Brachyspira spp. not identified as B. hyodysenteriae by published polymerase chain reaction assays were recovered with...
Swine Health - PRRS
Review of literature for epidemiology and control of Porcine Reproductive and Respiratory Syndrome virus (PRRSV) in North America: lessons learned and knowledge gaps
June 23, 2014By Robert B. Morrison
In 1989, a syndrome characterized by reproductive disorders in sow herds and respiratory disease in growing pigs was first reported in the southeastern United States (US) and disease reports...
