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April Domestic Swine Disease Monitoring Report Now Available

The Swine Health Information Center's (SHIC) April Domestic Swine Disease Monitoring Report is available. In the April report, we learn porcine reproductive and respiratory syndrome (PRRS) virus cases were up in March over February with detection on sow farms the highest level since March 2013. This was unsurprising due to favorable climate for virus spread during March. Porcine epidemic diarrhea virus (PEDV) cases were down in March over February in all age categories. Porcine delta coronavirus (PDCoV) cases were up slightly in March over February following expected seasonality. Mycoplasma pneumonia (MHP) cases were down in March as well, also following expectations.

View the full report dashboards and listed to podcasts in the online portal. No login required.

What is the Swine Disease Reporting System (SDRS)?

SHIC-funded, veterinary diagnostic laboratories (VDLs) collaborative project, with goal to aggregate swine diagnostic data from participating reporting VDLs, and report in an intuitive format (web dashboards), describing dynamics of disease detection by pathogen or disease syndrome over time, specimen, age group, and geographical space. For this report, data is from the Iowa State University VDL and South Dakota State University ADRDL. University of Minnesota VDL and Kansas State University VDL. Specifically, for PRRSV RFLP data, and syndromic information the results are from Iowa State University VDL. For all "2019 predictive graphs," the expected value was calculated using a statistical model that considers the results from three previous years. The intent of the model is not to compare the recent data (2019) to individual weeks of previous years. The intent is to estimate expected levels of percent positive cases based on patterns observed in the past data, and define if observed percentage positive values are above or below the expected based on historic trends.