# More avian flu outbreaks in Pennsylvania, Colorado

> Highly pathogenic avian influenza was confirmed in 1.3 million commercial egg layers in Weld County, Colorado, and 722,000 birds in Lancaster County, Pennsylvania. Within the past 30 days, 59 flocks were affected, with 4.9 million birds involved across the US.

- Date: 2026-03-01 · published 2026-03-01T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/20603-more-avian-flu-outbreaks-in-pennsylvania-colorado
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybean Meal](https://feedsoft.ai/c/SBM.md)

## Why it matters

Large layer losses reduce egg supply and can support egg prices, adding modest demand for layer feed. The scale is significant but well below prior peak outbreaks, so feed price impact stays limited.

## Read by commodity

- SBM: neutral
- CORN: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2018-05-07 | [Further outbreaks of avian flu hit poultry in Asia, Africa \| WATTAgNet \| WATTPoultry.com](https://feedsoft.ai/events/64897-further-outbreaks-of-avian-flu-hit-poultry-in-asia-africa-wattagnet-wattpoultry.md) | +0.2% | +0.3% |
| CORN | 2022-11-03 | [U.S. Approaches Record Number of Avian Influenza Outbreaks in Wild Birds and Poultry \| Bird Flu \| CDC](https://feedsoft.ai/events/16231-u-s-approaches-record-number-of-avian-influenza-outbreaks-in-wild-birds-and.md) | -0.6% | -3.9% |
| CORN | 2021-11-15 | [Japan, South Korea report avian flu in poultry flocks \| WATTPoultry.com](https://feedsoft.ai/events/44062-japan-south-korea-report-avian-flu-in-poultry-flocks-wattpoultry-com.md) | -2.1% | +1.5% |
| CORN | 2026-02-24 | [Avian flu outbreak threatens to reverse falling egg prices](https://feedsoft.ai/events/20605-avian-flu-outbreak-threatens-to-reverse-falling-egg-prices.md) | +1.5% | +7.0% |
| CORN | 2020-01-03 | [Bird flu outbreak spreads in Poland - 9News](https://feedsoft.ai/events/54970-bird-flu-outbreak-spreads-in-poland-9news.md) | -1.4% | -1.5% |
| SBM | 2018-05-07 | [Further outbreaks of avian flu hit poultry in Asia, Africa \| WATTAgNet \| WATTPoultry.com](https://feedsoft.ai/events/64897-further-outbreaks-of-avian-flu-hit-poultry-in-asia-africa-wattagnet-wattpoultry.md) | -3.0% | -6.5% |
| SBM | 2022-11-03 | [U.S. Approaches Record Number of Avian Influenza Outbreaks in Wild Birds and Poultry \| Bird Flu \| CDC](https://feedsoft.ai/events/16231-u-s-approaches-record-number-of-avian-influenza-outbreaks-in-wild-birds-and.md) | -1.9% | -1.9% |
| SBM | 2026-02-24 | [Avian flu outbreak threatens to reverse falling egg prices](https://feedsoft.ai/events/20605-avian-flu-outbreak-threatens-to-reverse-falling-egg-prices.md) | +0.4% | +5.7% |

## Sources

- cidrap.umn.edu: https://www.cidrap.umn.edu/avian-influenza-bird-flu/more-avian-flu-outbreaks-pennsylvania-colorado

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