Swine Health - PRRS
Development of diagnostic assays for detecting PRRSV infection using oral fluid samples as an alternative to serum-based assays
July 26, 2011By Ying Fang
Currently, diagnosis of PRRSV infection is by virus antigen, nucleic acid or antibody detection in serum samples. Thus, serum is the standard sample for diagnostic evaluation. However,...
Swine Health - General Disease
Contribution of prior SIV infection in enhancing secondary Haemophilus parasuis disease
July 25, 2011By Crystal Loving
Porcine respiratory disease complex (PRDC) is a multifactorial disease process with a variety of infectious agents contributing to disease. The complex cannot be simply explained as infection with...
Swine Health - PRRS
Assessment of the Economic Impact of Porcine Reproductive and Respiratory Syndrome Virus on U.S. Pork Producers
July 25, 2011By Derald Holtkamp
An economic analysis published in 2005 estimated that productivity losses from clinical porcine reproductive and respiratory syndrome (PRRS) virus infections cost U.S. pork producers $560...
Swine Health - General Disease
Comparison of PCV2 vaccine efficacy in 5 and 21 day old piglets
July 19, 2011By Tanja Opriessnig
Porcine circovirus type 2 (PCV2) vaccines have become widely used since approved in 2006. It is not uncommon for producers to use PCV2 vaccines in pigs younger than what is approved or recommended by...
Swine Health - PRRS
Structural characterization of the PRRSv glycan shield
July 15, 2011By Michael P. Murtaugh
Knowing the composition and structure of PRRSV is an important prerequisite for development of immunological prevention and control strategies, just as knowing what a spark plug looks like is...
Animal Science - Swine Nutrition
Impacts of Feeding DDGS to Swine: Aerial Emissions and Potential Management Strategies
July 8, 2011By Hongwei Xin
Feeding corn dried distillers grains with solubles (DDGS) to swine is becoming common in pork production. With feed being the primary cost in pork production and continued interest in...
Swine Health - General Disease
Characterization of Mycoplasma hyorhinis transmission and spread within endemically infected populations
July 7, 2011By Simone Oliveira
Bacterial diseases create a significant economic impact in today’s swine industry by causing an increase in mortality rates and a reduction in feed efficiency and growth. Polyserositis is one...
Swine Health - General Disease
A modified-live prototype vaccine for PCV-2 in swine
July 1, 2011By Steven Krakowka
1. The overall goal of this project is to test the hypothesis that, “The critical virulence determinant of swine-virulent PCV2 resides in a linear 3-4 amino acid region in the center of...
Environment - Manure Storage / Application
Impact of Liquid Swine Manure Application on Soybean Yield and Surface and Ground Water Quality
June 28, 2011By Professor Ramesh S. Kanwa
In an earlier study conducted at Iowa State University from 2001 to 2006, liquid swine manure was applied to corn plots to give a total nitrogen application of 150 lbs/acre and the targeted nitrogen...
Animal Science - Swine Nutrition
Assessment of the effects of diets containing DDGS with supplemental tallow on fat digestibility, growth performance, carcass and fat quality in growing-finishing pigs
June 27, 2011By Gerald Shurson
The use of dried distillers grains with solubles (DDGS) in swine diets has increased dramatically in recent years due to the increased availability and cost competitiveness of this corn...
Swine Health - PRRS
Subverting the function of PRRSV nucleocapsid protein for innovative vaccine design
June 26, 2011By Julian Hiscox
Porcine reproductive and respiratory syndrome virus (PRRSV) is one of the major virus threats facing the swine industry in the USA and worldwide. Whilst the introduction of vaccines has been...
Animal Well-being
Retrofit an optimized gestation stall system based on sow well-being: A pilot study.
June 24, 2011By Janeen L. Salak-Johnson PhD
Sow housing has become a very controversial welfare issue for pork producers. We cannot justify implementing alternative housing systems without concrete scientific data from these system that...