# E597 A Third of Retail Milk Tested Positive. The Map Said Under 0.1%.

Page: https://stenobird.com/podcast/the-bullvine-7024491/e597-a-third-of-retail-milk-tested-positive-the-map-said-under-0-1
Text version: https://stenobird.com/podcast/the-bullvine-7024491/e597-a-third-of-retail-milk-tested-positive-the-map-said-under-0-1.md
Podcast: [The Bullvine Daily Brief](https://stenobird.com/podcast/the-bullvine-7024491)
Published: 2026-06-25T10:57:37+00:00
Episode link: https://rss.com/podcasts/the-bullvine/2942774
Audio file: https://content.rss.com/episodes/290511/2942774/the-bullvine/2026_06_25_10_57_24_2bbc003f-d4bd-4c27-ae87-b80a8ca006c2.mp3
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JSON: https://stenobird.com/v1/public/podcasts/the-bullvine-7024491/episodes/e597-a-third-of-retail-milk-tested-positive-the-map-said-under-0-1
Duration seconds: 1213

## Resource

A third of retail milk tested positive for H5N1 while the official map said fewer than one herd in a thousand was infected. The virus was months ahead of surveillance. The Bullvine Podcast breaks down why H5N1 behaves nothing like the textbook says — going for the udder, not the lungs — and how it hid in plain sight as "mystery mastitis." One Ohio dairy lost $737,500 in 60 days. We do the barn math on what an outbreak costs your operation, and why federal testing is being pulled back just as fresh cases land in Texas, Idaho, and Utah. What You'll Learn Why H5N1 targets the udder, not the lungs — and walks past respiratory testing What a 200-cow outbreak really costs: roughly $38,000 before the production drag Why "the dairy cases were mild" is true for B3.13 — and dangerous shorthand for D1.1 How 10 virus particles in one udder quarter trigger severe mastitis in three days Why "unaffected" state status is a reporting metric, not a biological all-clear Three questions to bring to your vet this week H5N1 has hit more than 1,000 herds across 19 states, and infected cows can shed virus at staggering concentrations — which is why 36% of sampled retail milk lit up. With USDA dropping pre-movement testing for 41 "unaffected" states, the responsibility for catching it has quietly shifted onto you. This isn't a 2024 retrospective. It's a live exposure question for any operation, whether you milk 200 cows or 2,000. Full article and sources: https://www.thebullvine.com/highly-pathogenic-avian-influenza/h5n1-dairy-cattle-biosecurity-cost/ Subscribe for straight-talking dairy analysis. Share this with a producer who needs it.

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