Swine Health - General Disease
Immune correlates of clinical outcomes in maternal antibody-positive piglets vaccinated with attenuated or killed SIV and challenged with an antigenic variant
March 1, 2013By Matthew Sandbulte
OBJECTIVES OF THE STUDY. Current SIV vaccines, which contain whole inactivated virus (WIV), do not provide broad cross-protection against new variants, and maternal antibodies inhibit...
Swine Health - General Disease
Development of an Improved Mycoplasma hyopneumoniae-Specific ELISA
February 7, 2013By F. Chris Minion
Improvement of serological-based diagnostics for Mycoplasma hyopneumoniae infections in swine will require identification of mycoplasma-specific antigens and their use in an ELISA-based assay format...
Swine Health - General Disease
Comparative analysis: The pathogenesis of disease induced in piglets by group A, B and C rotaviruses, singularly or concurrently
January 1, 2013By Darin Madson
Rotavirus is not a new pathogen; however, there is evidence of re-emergence as noted by the increased diagnoses at multiple diagnostic laboratories. New testing modalities (PCR) have been...
Swine Health - General Disease
Comparison of PCR and serological assays for reliable, early and fast detection of PRRSV in boar studs
December 16, 2012By Tanja Opriessnig
The high economic impact of porcine reproductive and respiratory syndrome virus (PRRSV) dictates the need for rapid and accurate diagnosis. The high mutation rate, rapid evolution and genetic...
Animal Science - Sow Lifetime Productivity
Using objective behavioral measurements to build robust producer tools for detecting, scoring and treating lameness in sows
December 10, 2012By Anna Johnson
Lameness associated with painful joint lesions has been identified as a welfare challenge for confined sows. It has been ranked as the number...
Swine Health - PRRS
Quantifying risk factors for PRRS virus introduction into swine herds through the use of the PRRS Risk Assessment
November 7, 2012By Derald Holtkamp
The total cost of productivity losses due to PRRS virus in the US national breeding and growing pig herd was recently estimated to be $664 million annually. Fifty-five percent, or $365 million...
Environment - Air
Protocol Development for Measurement of Trace Gases Associated with Manure Storage and Odor
October 18, 2012By Wendy Powers
As concerns surrounding livestock production shift from nuisance concerns to public health concerns, it is increasingly important to have a suitable means of quantifying odors and concentration of...
Pork Safety - Post-Harvest
Evaluating the sources of Salmonella after carcass chilling
October 1, 2012By James S. Dickson
This study evaluated several aspects of salmonella contamination of pork after slaughter but prior to retail. First, a comparison was made between the USDA-FSIS carcass swab procedure and two other...
Swine Health - General Disease
Investigation and characterization of pathogenic and molecular differences in atypical Brachyspira spp. clinical isolates versus classic strains
September 24, 2012By Eric Burrough
Swine dysentery (SD), or bloody scours, has historically been associated with the presence of the strongly beta-hemolytic spirochete Brachyspira hyodysenteriae; however, Brachyspira spp. not...
Pork Safety - Post-Harvest
Risk informed management of Salmonella in deep tissue lymph nodes
September 6, 2012By Scott Hurd
The objectives of this project were to build and parameterize a quantitative risk model of the Salmonella prevalence along the pork production chain, and therefore to apply the model in...
