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CDC Expanding Bird Flu Testing Recommendations for Farm Workers

By Alvin Jones

The Centers for Disease Control and Prevention are recommending farm workers get tested for bird flu if they have contacted infected animals, even if they have no symptoms.

The CDC, in a new study, found four farm workers tested positive for H5N1 antibodies and didn't report symptoms. The discovery is a new development following multiple bird flu outbreaks at farms across the country, and here in Michigan.

The study conducted blood tests on 115 farm workers in Michigan and Colorado. Eight tested positive for H5N1 antibodies, and four did not report having any symptoms.

The agency is now recommending farmers who milk cows and deal with sick poultry use personal protective equipment (PPE) on the job.

They also say workers who have interacted with infected animals without PPE, should use the anti-flu medication Tamiflu.

Doug Chapin is with the Michigan Milk Producers Association. He said the dairy industry, along with state and federal agencies, are dealing with this year's avian flu outbreak efficiently.

"Today where we are is a much better position than we were in April when we had a lot of unknowns. We do understand much more about the virus, how it will affect the cattle," he said. “I do feel like the industry is committed to getting ahead of this.”

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Seaweed-Based Solutions: Building Natural Performance in Modern Swine Production

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In today’s pork industry, producers are under increasing pressure to do more with fewer inputs—while maintaining performance, improving animal health, and meeting sustainability expectations.

we sit down with Sylvain David and Scott Preston from Olmix to explore how seaweed-based solutions are emerging as a foundational tool in modern swine nutrition.

Rather than acting as simple alternatives, these solutions are designed to support gut health, immune resilience, and overall system consistency—especially during key stress periods like weaning, feed transitions, and disease challenges.

The conversation dives into:

• What seaweed-based solutions actually are and how they work

• Why consistency and standardization matter in “natural” products

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• Where producers are seeing real-world impact today

• The role of natural solutions in the future of sustainable pork production