Virginia Polytechnic Institute and State University Archives - Pork Checkoff

Pork Checkoff Research

Research is at the heart of the National Pork Board’s mission and is funded by your Pork Checkoff dollars. Research is administered in all areas of pork production, processing, and human nutrition to develop a higher quality and more profitable product in the competitive meat protein market.

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Swine Health-PRRS
Use of Mobile Nanopore Sequencing to Detect and Genotype Porcine Reproductive and Respiratory Syndrome Virus
Porcine Reproductive and Respiratory Syndrome Virus continues to be a leading cause of disease and decreased production in the swine industry.
Public Health - Antibiotics & Resistance
Enhancing growth performance in pigs by treating with iron at weaning and feeding antibiotic-free nursery diets containing elevated concentrations of copper or zinc
Addition of copper sulfate or zinc oxide to nursery pig diets at levels in excess of dietary requirements was previously shown to enhance growth performance.
Animal Science - Animal Science
Impact of in utero heat stress on subsequent lactational performance and performance of offspring
This experiment evaluated the effects of heat stress across multiple generations. In a previous experiment, pregnant gilts were housed in either heat stress or thermoneutral (control) conditions...
Swine Health - General Disease
Molecular Characterization and Protective/Diagnostic Application of the Capsular Polysaccharide of Haemophilus parasuis
Haemophilus parasuis (Hps) is an important swine pathogen that can decimate a swine herd in less than 72 hours. Although this bacterium has devastating effects on pork producing facilities,...
Animal Science - Sow Lifetime Productivity
Reproductive performance and longevity in replacement gilts allowed different amounts of floor space during the nursery phase of rearing
The annual replacement rate of commercial sows is 40 to 60% and for U.S. pork producers to remain globally competitive, research and technological advances are needed to increase sow lifetime...
Swine Health-PRRS
Identifying PRRSV structural components that activate regulatory T cells and diminish protective immunity
This study was designed to test the hypothesis that certain structural components of PRRSV drive the activation of regulatory T cells (Tregs). Activating these T cells would thereby diminish the...
Swine Health - General Disease
Understanding the Immunopathogenesis of Porcine Multisystemic Wasting Syndrome: the Immunological Effects of PCV2 and PRRSV Co-infection
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-PRRS
Understanding the role of the regulatory immune response in porcine reproductive and respiratory syndrome virus persistence
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-PRRS
Development of Edible Vaccines against PRRSV: A Proof of Concept Study
The overall objective of this project is to develop edible vaccines to combat the devastating porcine reproductive and respiratory syndrome (PRRS) as an alternative to current MLVs. The goal is to...
Swine Health - General Disease
Pathogenicity of the ORF3 gene-silence mutant of type 2 porcine circovirus in pigs: a study towards the development of a marker vaccine
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