Swine Program
PRRS charts
PRRS cumulative incidence
PRRS cumulative incidence
This chart shows the incidence (number of new infection/number of farms at risk * 100) by month since 2009. Each season (July 1st to June 30th) is represented by a different color. The latest season’s incidence is shown in red.
PRRS aggregate prevalence of sow herd status
PRRS aggregate prevalence of sow herd status
This chart shows the prevalence of farms in a given PRRS classification status (number of farms in a given PRRS status/total number of farms * 100) since July 2009.
PRRS incidence by classification status
PRRS incidence by classification status
This chart shows the PRRS incidence by classification status (number of new infections in a given classification status/number of farms initially in that PRRS classification status) in the current season.
PRRS EWMA
PRRS EWMA
This chart shows PRRS incidence weighted by the incidence in the previous week. Also, it shows the epidemic threshold for the current season and the number of new PRRS infections reported each week.