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Board launches retailer‑level sampling project to trace Salmonella linked to backyard poultry
Summary
The board described a new project sampling retail distributors and hatchery pads to identify Salmonella serotypes that may be linked to human infections from backyard poultry; results will be shared with public health partners and participating stores.
The board reported a joint sampling project involving the Board of Animal Health, the Minnesota Department of Health and University researchers to test retail feed stores and hatchery shipments for Salmonella strains associated with human illness tied to backyard poultry.
Project overview Researchers will collect the bedding pads from chick shipments at retail distributors and submit them for culture and whole‑genome sequencing. The University partner immerses the bedding pad to maximize culture recovery; positives are forwarded to the state public health laboratory for genome sequencing to compare isolates to human clinical cases. The project is designed to identify potential hatchery or distribution points that may seed human infections and to provide earlier upstream evidence than waiting for clinical cases and tracebacks.
Why it matters Public health data show seasonal clusters of Salmonella infections linked to chicks and backyard poultry, especially in spring. State health data cited in the meeting show that a substantial portion of poultry‑linked human cases were associated with chicks purchased that year and with retail distribution channels. The pilot is intended as an early‑warning and prevention tool for outbreaks tied to chick shipments.
Partner roles and outreach The board will recruit up to 11 retail stores and hatcheries, provide sample kits and pick up samples for transport to the University lab for culture. Results and summary findings will be shared with participating retailers. Board staff said the effort also supports targeted outreach to retailers on sanitation and customer advisories.
Next steps Officials said sampling will begin immediately and that they will provide periodic summaries to participating stores and to the board. The work builds on a multi‑year pilot and will continue through the spring season when most chick‑related illnesses occur.
