Page 20 of articles about prrs

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.

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.

This study, based on some 120,000 sows, quantifies the reduction of the risk of introducing PRRS viruses when using air filtering.

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.

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.