Switzerland detects sows infected with PRRS
The virus was introduced in Switzerland through the importation of semen of infected boars from Germany.
Page 20 of articles about PRRS
Introduction, dissemination and perpetuation of PRRS virus in a region
Among the numerous genetically distinct isolates that are identified in high pig density areas every year, only a few are able to be transmitted between herds and even less able to widely spread and dominate the entire region or system.
New Zealand: pork industry appeals High Court ruling on imports
New Zealand Pork is appealing against a High Court ruling backing the Ministry for Primary Industries' decision to allow uncooked pork to be imported from countries where PRRS is present.
The Western Canada PRRS-Free Herd Certification Pilot Project has been a success
The Western Canada PRRS-Free Herd Certification Pilot Project provides a protocol under which pig or semen suppliers can certify their stock is free of PRRS.
United States: the impact of PRRS on the cost of pig production
Researchers estimated that PRRS was costing the swine industry $66.7 million per year in the breeding-farrowing phase, $201.34 million per year in nursery pigs and $292.23 million per year in finishing pigs.
Elimination of PRRS in breeding herds
There are 3 potential options to stabilize BTW herds following an outbreak that have all proven successful over time. They have very different cost and risk profiles and a through economic assessment is needed to determine what the best course of action is for each new outbreak.
Gilt replacement strategies used in two swine production areas in Quebec in regard to PRRSv
Replacement strategies may have weaknesses that should be addressed to facilitate PRRSV management at the herd and regional levels.
PRRS afflicts breeders in Vietnam
Around 5,000 pigs are infected with the disease in the province.
Observational study of farms with air filtering against the PRRS virus in North America
This study, based on some 120,000 sows, quantifies the reduction of the risk of introducing PRRS viruses when using air filtering.
Regional PRRS control with an autogenous vaccination strategy
Regional vaccination with an autogenous killed vaccine did not effectively reduce the number of PRRSV related crises in the vaccinated farms.
Evaluation of a needle-free injection device to prevent hematogenous transmission of porcine reproductive and respiratory syndrome virus
Use of NFIDs does not prevent hematogenous transmission of PRRSV.
A systematic management strategy for breeding herds based on PRRS herd status
It was developed in USA as a way to improve communication of what needed to be done to improve the chances of success in stabilizing and managing breeding herds.
Vietnam: PRRS under control
Vietnam's Southern province of Bac Lieu has declared that blue-ear disease in pig herds is basically under control.
Vietnam's swine industry suffers disease and price shocks
PRRS has spread to 123 communes in 13 provinces nationwide, ravaging 34,000 pigs and 21,700 of which had to be destroyed.
Effect of temperature and HR on ultraviolet inactivation of airborne PRRS virus
Aerosols of PRRS virus were exposed to one of four doses of UV254 under nine combinations of temperature (n = 3) and relative humidity (n = 3).
Clinical case: Outbreak of influenza in a PRRS and Mhyo stable herd
In July 2010 a severe respiratory disease occurred in the farm: coughing in gilts, and coughing and depression in fatteners concomitantly to an increase of the mean stillborn and mummified piglet rate in a batch of sows.