# Bird flu discovered in U.S. dairy cows is ‘disturbing’ | Science | AAAS

> Scientists describe the discovery of bird flu in US dairy cows as disturbing, following confirmation of H5N1 in herds in Texas and Kansas. The finding marks the first detection of the virus in US dairy cattle.

- Date: 2024-03-27 · published 2024-03-27T12:00:00.000Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/16112-bird-flu-discovered-in-u-s-dairy-cows-is-disturbing-science-aaas
- Commodities: [Lean Hogs](https://feedsoft.ai/c/HOGS.md), [Chicken](https://feedsoft.ai/c/CHICKEN.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

The discovery raises concern about possible livestock supply effects, but no herd losses or price impact are reported yet.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2025-08-12 | [Daily briefing: Bird flu is ‘everywhere’ on dairy farms \| Nature](https://feedsoft.ai/events/15979-daily-briefing-bird-flu-is-everywhere-on-dairy-farms-nature.md) | -9.6% | -8.6% |
| HOGS | 2025-02-06 | [A second version of bird flu is infecting cows. What does that mean?](https://feedsoft.ai/events/16026-a-second-version-of-bird-flu-is-infecting-cows-what-does-that-mean.md) | +3.1% | +1.5% |
| HOGS | 2024-06-25 | [What Can Farmers Learn From the Current Bird Flu Outbreak in Dairy Cows?](https://feedsoft.ai/events/16087-what-can-farmers-learn-from-the-current-bird-flu-outbreak-in-dairy-cows.md) | -0.8% | +2.6% |
| HOGS | 2024-10-01 | [GRAPHIC: Tracking the nation's bird flu outbreaks in dairy herds and poultry flocks](https://feedsoft.ai/events/16055-graphic-tracking-the-nation-s-bird-flu-outbreaks-in-dairy-herds-and-poultry.md) | +1.3% | -0.8% |
| HOGS | 2024-11-01 | [Why finding bird flu in a U.S. pig for the first time is raising new worries](https://feedsoft.ai/events/16050-why-finding-bird-flu-in-a-u-s-pig-for-the-first-time-is-raising-new-worries.md) | -0.6% | -2.5% |
| SBM | 2025-08-12 | [Daily briefing: Bird flu is ‘everywhere’ on dairy farms \| Nature](https://feedsoft.ai/events/15979-daily-briefing-bird-flu-is-everywhere-on-dairy-farms-nature.md) | +0.8% | +2.4% |
| SBM | 2025-02-06 | [A second version of bird flu is infecting cows. What does that mean?](https://feedsoft.ai/events/16026-a-second-version-of-bird-flu-is-infecting-cows-what-does-that-mean.md) | -3.9% | -4.4% |
| SBM | 2024-06-25 | [What Can Farmers Learn From the Current Bird Flu Outbreak in Dairy Cows?](https://feedsoft.ai/events/16087-what-can-farmers-learn-from-the-current-bird-flu-outbreak-in-dairy-cows.md) | -1.8% | -7.4% |

## Sources

- archive.ph: https://archive.ph/zHUWS

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.