# Cow-derived avian flu can infect pigs but doesn't spread among them, preprint suggests

> A non-peer-reviewed preprint found that pigs can be infected with a cow-derived H5N1 virus but do not spread it to other pigs. The study was led by researchers at Kansas State University.

- Date: 2025-04-01 · published 2025-04-01T12:00:00.000Z
- Category: disease · region Global · magnitude low
- Page: https://feedsoft.ai/events/16016-cow-derived-avian-flu-can-infect-pigs-but-doesn-t-spread-among-them-preprint
- 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 finding suggests limited transmission risk within swine herds, so it has minimal effect on hog supply or feed demand. It is a research result rather than a market-moving event.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2026-05-05 | [Avian Influenza: Monitoring its spread in Latin America and the Caribbean - Americas](https://feedsoft.ai/events/15912-avian-influenza-monitoring-its-spread-in-latin-america-and-the-caribbean.md) | -0.7% | +3.2% |
| HOGS | 2025-02-26 | [As bird flu spreads to cows and infected people, here’s what to know about the latest avian flu strains \| College of Veterinary Medicine](https://feedsoft.ai/events/16025-as-bird-flu-spreads-to-cows-and-infected-people-here-s-what-to-know-about-the.md) | -2.3% | -0.2% |
| HOGS | 2021-11-22 | [Bird flu: What is avian influenza, how does it spread, which viruses infect humans and should we be worried? - ABC News](https://feedsoft.ai/events/16327-bird-flu-what-is-avian-influenza-how-does-it-spread-which-viruses-infect-humans.md) | -2.5% | +4.1% |
| 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 | 2016-12-14 | [Spread of avian flu noted in China, Korea, Europe](https://feedsoft.ai/events/73375-spread-of-avian-flu-noted-in-china-korea-europe.md) | +7.6% | +11.7% |
| SBM | 2022-12-23 | [Avian flu still spreading in the West](https://feedsoft.ai/events/16229-avian-flu-still-spreading-in-the-west.md) | +4.6% | +3.8% |
| SBM | 2026-05-05 | [Avian Influenza: Monitoring its spread in Latin America and the Caribbean - Americas](https://feedsoft.ai/events/15912-avian-influenza-monitoring-its-spread-in-latin-america-and-the-caribbean.md) | +3.4% | +2.5% |
| SBM | 2025-02-26 | [As bird flu spreads to cows and infected people, here’s what to know about the latest avian flu strains \| College of Veterinary Medicine](https://feedsoft.ai/events/16025-as-bird-flu-spreads-to-cows-and-infected-people-here-s-what-to-know-about-the.md) | -2.1% | +0.9% |

## Sources

- cidrap.umn.edu: https://www.cidrap.umn.edu/avian-influenza-bird-flu/cow-derived-avian-flu-can-infect-pigs-doesnt-spread-among-them-preprint

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