Today, the MSHMP team is explaining the interpretation of Chart 2 of their weekly report. If you missed Chart 1 last week, you may find it here.
Key points
- The prevalence chart (Chart 2) describes the percentage of herds that are classified in a given status through time.
- It allows eyeballing general trends although the growing nature of the project does not allow year to year comparisons without proper adjustment.
- For PRRSv, there is a steady increase in the percentage of herds in status 1 in recent years. PRRSv