How to manage herd closure for PRRS elimination
Herd closures to eliminate porcine reproductive and respiratory syndrome (PRRS) are on the increase due in part to the virulent variant identified as PRRS 1-4-4 L1C.
Weaned-pig market heats up after PRRS 1-4-4 outbreaks
A strong weaned-pig market this summer indicates the magnitude of the PRRS 1-4-4 variant outbreak in the US pork industry.
Nasty PRRS variant continues to spread undeterred by summer’s heat
The virulent porcine reproductive and respiratory syndrome (PRRS) variant identified as PRRS 1-4-4 continues its destructive march through hog farms, even in the heat of summer.
Highly infectious PRRS variant causes high mortalities on sow farms
A variant of the porcine reproductive and respiratory syndrome (PRRS) virus is taking a heavy toll on hog farms in southern Minnesota and northern Iowa.
Virulent PRRS outbreaks in grow-finish require fast action to cut losses
A particularly difficult variant of the porcine reproductive and respiratory syndrome (PRRS) virus recently hit hog farms in south-central Minnesota.