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December Domestic Swine Disease Monitoring Report Now Available

December 12, 2023 — 

The Swine Health Information Center's (SHIC) December Domestic Swine Disease Monitoring Report is available.

This month's Domestic Swine Disease Monitoring Report brings a new PRRSV RFLP/lineage dashboard, including the new PRRSV lineage classification (fieldepi.org/sdrs). The dashboard will help stakeholders better comprehend trends of PRRSV lineages over time. Also, the report brings information about the third consecutive month of increased PRRSV-positivity in the wean-to-market category, with a decrease in PCR average Ct values from PRRSV PCR positive submissions. At a regional level, PRRSV overall positivity is above expected in Iowa, Illinois, and Ohio. For enteric coronaviruses, PEDV had a moderate increase in the wean-to-market category. At a regional level, PEDV overall percentage of positive submission is above the expected in South Dakota, Missouri, and North Carolina. For the influenza A virus, adult/sow farms positivity substantially increased from 19.5% to 27.8%. In November, there were alarms for an increased number of PRRSV, Glaesserella parasuis, and Streptococcus suis confirmed tissue diagnosis.

In their podcast, the SDRS hosts talk with Dr. Jianqiang Zhang (Iowa State University) about the benefits of the new PRRSV lineage classification system.

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

The Swine Health Information Center, launched in 2015 with Pork Checkoff funding, protects and enhances the health of the US swine herd by minimizing the impact of emerging disease threats through preparedness, coordinated communications, global disease monitoring, analysis of swine health data, and targeted research investments. As a conduit of information and research, SHIC encourages sharing of its publications and research. Forward, reprint, and quote SHIC material freely. For more information, visit http://www.swinehealth.org or contact Dr. Paul Sundberg at psundberg@swinehealth.org or Dr. Megan Niederwerder at mniederwerder@swinehealth.org.