# HPAI in California is a mixed bag for markets

> Highly pathogenic avian influenza has been confirmed in 105 California dairy herds since August, the highest count of any state, with rumors of about 400 more suspected cases. Despite the outbreak cutting milk output potential, US dairy prices trended lower in late September and early October.

- Date: 2024-10-31 · published 2024-10-31T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/4684-hpai-in-california-is-a-mixed-bag-for-markets
- Commodities: [Milk (Class III)](https://feedsoft.ai/c/MILK.md)

## Why it matters

Dairy disease outbreaks would normally tighten milk supply, but weak demand for butter and cheese has offset this, so the net effect on dairy feed demand and prices is uncertain.

## Read by commodity

- MILK: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| MILK | 2026-05-05 | [Dairy farms in California may transmit H5N1 virus through multiple sources](https://feedsoft.ai/events/15913-dairy-farms-in-california-may-transmit-h5n1-virus-through-multiple-sources.md) | +0.4% | -0.2% |
| MILK | 2025-04-01 | [Bird Flu's Varied Impacts on Egg and Milk Markets](https://feedsoft.ai/events/25732-bird-flu-s-varied-impacts-on-egg-and-milk-markets.md) | -8.4% | -6.5% |
| MILK | 2025-03-12 | [Bird Flu's Varied Impacts on Egg and Milk Markets \| College of Agricultural and Environmental Sciences](https://feedsoft.ai/events/25604-bird-flu-s-varied-impacts-on-egg-and-milk-markets-college-of-agricultural-and.md) | -0.2% | -7.2% |
| MILK | 2026-03-20 | [Why We Must Vaccinate US Dairy Cattle Against HPAI H5N1 \| The Journal of Infectious Diseases \| Oxford Academic](https://feedsoft.ai/events/15928-why-we-must-vaccinate-us-dairy-cattle-against-hpai-h5n1-the-journal-of.md) | +0.1% | +4.5% |
| MILK | 2024-07-10 | [Bird flu response in Michigan sparks COVID-era worry on farms \| Reuters](https://feedsoft.ai/events/29269-bird-flu-response-in-michigan-sparks-covid-era-worry-on-farms-reuters.md) | -0.1% | +2.6% |

## Sources

- hoards.com: https://hoards.com/article-35848-hpai-in-california-is-a-mixed-bag-for-markets.html

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