The Swine Health Information Center’s (SHIC) November Domestic Swine Disease Monitoring Report is available.
This month’s Domestic Swine Disease Monitoring Report highlights several key points: PRRSV activity continues to rise, with 43.67% positivity in wean-to-market sites, while sow farm positivity remains relatively low at 17.03%. The lineage L1C.5 is surging, with 3,653 detections in 2025 already surpassing last year’s total and has become the predominant lineage over other lineages, such as L1A and L1H. IAV positivity reached 35.44% in wean-to-market, accompanied by a surprising decrease in sow farm positivity to 15.16%. Following the expected pattern for this time of the year, M. hyopneumoniae reached its highest overall positivity. A bonus page features highlights from the SDRS Advisory Group on current pathogen activity, presented during the October 2025 Winter Preparedness Call.
In the podcast, Dr. Brooke Kitting, Senior Veterinarian at Seaboard Foods, discusses strategies for tackling PRRSV outbreaks and pig flow biosecurity, managing PEDV and M. hyopneumoniae outbreaks, and preparing for winter through vaccination and immunity-boosting protocols.
View the full report dashboards and listen to podcasts in the online portal. No login required.
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