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...
Animal Science - Swine Nutrition
Critical Review of Functional Animal Proteins
July 26, 2006By James Pettigrew
Spray-dried plasma and immune egg products provide dramatic benefits when added to diets of young weaned pigs. Spray-dried plasma increases growth rate and resistance to enteric infection, while...
Swine Health - PRRS
Analysis of prevalent winds in areas with suspicious cases of PRRSV lateral transmission between farms
July 25, 2006By Robert Morrison
This report summarizes the analysis of prevalent winds in 16 pairs of neighboring PRRS virus-infected and PRRS virus-negative pig sites. Eight pairs were selected because airborne transmission was...
Swine Health - PRRS
Development of a Broadly Protective PRRS Vaccine
July 25, 2006By Gregory Tobin|Peter Nara
This project is designed to study a completely new approach to developing a new vaccine against PRRS for the pork industry. It is based on a new understanding of how the AIDS virus causes disease in...
Evaluation of the effects of diet formulation method and inclusion of DDGS and phytase on manure phosphorus excretion of grow-finish pigs and on the concentration and forms of P in manure amended soil
July 20, 2006By Dr. Gerald Shurson
A nutrient balance trial was conducted to examine the effects of adding phytase (500 FTU/kg) and 20% DDGS to corn-soybean meal based diets on DM, N, and P digestibility and excretion in grow-finish...
Pork Safety - Pre-Harvest
Use of sodium chlorate to eliminate gram-negative pathogens in live hogs: Dose titration study to determine safe tissue residues
July 20, 2006By David J. Smith
Each year thousands of US consumers become ill because they have eaten food products that are contaminated with pathogenic bacteria such as Salmonella or E. coli O157:H7. Intense efforts have been...
Environment - Manure Storage / Application
Evaluation of the effects of diet formulation method and inclusion of DDGS and phytase on manure phosphorus excretion of grow-finish pigs and on the concentration and forms of P in manure amended soil
July 20, 2006By G.C. Shurson
• Formulating diets with phytase reduces the concentration of total P in the manure compared to a conventional diet by as much as 30%. • Using DDGS in the diet results in no significant...
Swine Health - PRRS
A novel herpes virus vector – based approach for PRRSV vaccines
July 19, 2006By Xiuqing Wang
The goal of the study was to examine the potential application of a novel herpes simplex virus-1-based vector system for porcine reproductive and respiratory syndrome virus vaccine development. The...
Animal Well-being
Investigation into the effects of feeding schedule on body condition, aggressiveness, and reproductive failure in group housed sows
July 17, 2006By Michael Tokach
Determining the welfare status of gestating sows can be challenging because of the complexities between different gestation housing environments and challenges quantifying measures of welfare. A...
Public Health - Other
Development of methods for determining the estrogen content of swine wastes
July 14, 2006By Charles Scott Whisnant
Measurable levels of estrogens were found in lagoons from all types of production with boars and sows being higher than finishing units. The number of nursery units sampled was limited but those...
