Swine Health - PRRS
Modeling PRRS virus aerosol transmission within and between farms
October 1, 2006By Jeffrey Zimmerman
The objective of this research was to try to understand two major stages of aerosol transmission: 1) how much PRRSV is aerosolized by pigs and 2) how long does airborne PRRSV remain infectious. How...
Animal Science - Swine Nutrition
Aspects of yeast-based products in enhancing animal production
October 1, 2006By Christopher Mateo
Animal Science - Swine Nutrition
Critical Review of Acidifiers
September 29, 2006By James Pettigrew
The inclusion of various organic acids or their salts to diets improves the growth performance of pigs and helps in preventing scouring and high mortality post-weaning. The beneficial effects of...
Swine Health - PRRS
Evaluation of sampling and testing strategies for monitoring of PRRS virus infection in boar studs
September 7, 2006By Claudia Munoz-Zanai
Monitoring of boar studs for PRRS is critical to minimize the risk of transmission to sows via contaminated semen. However, current protocols for monitoring PRRSV in boar studs are diverse, sometimes...
Swine Health - PRRS
Development of Edible Vaccines against PRRSV: A Proof of Concept Study
August 30, 2006By Chenming (Mike) Zhang
Porcine reproductive and respiratory syndrome (PRRS) is the most devastating swine disease. This project strives to develop new and safer vaccine for the elimination of PRRSV from swine herds....
Pork Safety - Pre-Harvest
Serological Analysis of Toxoplasma gondii, Trichinella spiralis and Salmonella enterica among niche market antimicrobial-free and conventionally reared pigs
August 25, 2006By Wondwossen Gebreyes
Three globally important zoonotic foodborne pathogens including Salmonella, Trichinella and Toxoplasma, were studied. Serological analysis of these pathogens was conducted on samples collected from...
Animal Well-being
Evaluation of sows at harvest to determine the incidence of abnormalities that could lead to culling of breeding herd females
August 22, 2006By Ken Stalder
Poor sow longevity in commercial pork production systems can lead to economic inefficiency and animal welfare concerns (Stalder et al., 2004). In the United States, reported annual breeding female...
Pork Safety - Pre-Harvest
Determination of the Diagnostic Sensitivity and Specificity of a Reference Method for Salmonella sp. Detection in Swine Fecal Samples of Known Infection Status
August 18, 2006By Brenda Love
Salmonella enterica is a bacterium that causes disease in many animals, including swine and human beings. This organism can be transmitted from swine to human beings through direct contact, or...
Swine Health - PRRS
PCR-on-a-Chip for the Identification and Control of Porcine Reproductive and Respiratory Syndrome Virus
August 17, 2006By Sheila Grant PhD
We have been working on the development of a micro-fluidic DNA assay with the goal to quickly identify the introduction of PRRSv in pig herds in order to eliminate the transmission and spread of the...
Swine Health - General Disease
Comparison of the virulence of PCV2 isolates from field cases with and without hallmark lesions of lymphoid depletion
August 15, 2006By Patrick Halbur
To our knowledge, this is the first report to demonstrate a clear difference in virulence between two well-characterized PCV2 isolates in a controlled experimental setting using a SPF pig model...
Animal Science
Development of Condition Scoring Guide – using live animals
August 6, 2006By Locke Karriker
The objectives of the study were to develop educational materials to assist pork producers and animal caretakers in the evaluation of sow body condition, to estimate the amount of feed and...
Swine Health - PRRS
Implementation of a PRRSV Strain Database
August 1, 2006By Kay S. Faaberg
A PRRSV ORF5 database, accessible worldwide, was created for swine producers, practitioners and researchers (http://prrsv.ahc.umn.edu/). This database was established to fulfill one objective of the...
