Swine Health - PRRS
Analysis of prevalent environmental conditions in cases of suspected PRRSV lateral transmission between pig farms
January 4, 2008By Robert Morrison
It is not uncommon for swine herds to become infected with PRRS virus with no obvious source of the infection. In such cases, the producer and veterinarian having explored all possible routes of...
Swine Health - PRRS
Implementation of a PRRSV Strain Database (Renewal)
October 30, 2007By Kay S. Faaberg
The PRRSV strain database (http://prrsv.ahc.umn.edu) has been supported by the National Pork Board for three years. The database (PRRSVdb; 7,627 unique sequences) is freely available for web-based...
Swine Health - PRRS
Enhancement of efficacy of PRRSV vaccines by altering the glycosylation pattern of viral glycoproteins
October 15, 2007By Asit Pattnaik
In previous studies, we have demonstrated that virus-neutralizing antibodies are important for protective immunity against PRRSV. These neutralizing antibodies constitute a significant correlate for...
Swine Health - PRRS
Elimination of PRRS virus from two regions in Minnesota
August 31, 2007By Robert Morrison
This project is an attempt to eliminate PRRS virus from all sites having pigs within two defined regions in Minnesota; eastern Rice county and Stevens County. We have completed our fourth year and...
Swine Health - PRRS
A study on the feasibility of using a porcine alveolar macrophage cell line to produce a PRRS modified live virus vaccine
August 14, 2007By Federico A. Zuckermann
The goals of this project was: 1) to determine the feasibility of using an innovative porcine alveolar macrophage cell line, designated ZMAC-1, for the production of a PRRS modified live virus (MLV)...
Swine Health - PRRS
Prevention of PRRS by antibody administration
July 24, 2007By D.L. Hank Harris
The objectives were to determine if a practical method of producing antibodies to PRRSV could be found which would neutralize all strains of the virus. The naturally occurring ambient strains of...
Swine Health - PRRS
Rational Design of a New Generation of PRRSV Differential (Marker) Vaccines
July 13, 2007By Fernando Osorio
This project is based on two main premises: 1) the conviction that the use of vaccines will always be a cost-efficient method and the preferred approach to control PRRSV infections, and 2) the notion...
Swine Health - PRRS
Investigation of factors impacting the rate of PRRSV transmission in nursery and finisher pig flows and assessment of transmission rate and timing on economic performance
June 18, 2007By Locke Karriker
As stated in the contract, we require a lay interpretation of the project, suitable for public release by the Board. Please include contact information, should the public want to contact you...
Swine Health - PRRS
Development of a Broadly Protective PRRS Vaccine
May 27, 2007By Gregory Tobin
The current vaccines against PRRSV protect pigs exposed to the strain used to make the vaccine, but not to the many field strains that herds encounter. The lack of protection against heterologous...
Swine Health - PRRS
Development of cost-efficient herd testing protocols based on testing of pooled samples using ELISA
April 2, 2007By Claudia Munoz-Zanai
The objective of this study was to evaluate the feasibility of using pooled serum samples for detection of PRRSV-infected sow herds by ELISA. In order to achieve this objective, 113 true positive...
