# Tests confirm H5N1 in Oklahoma dairy herd; 13 states now affected | CIDRAP

> Oklahoma confirmed its first highly pathogenic avian influenza outbreak in a dairy herd, bringing the number of affected US states to 13. USDA reported that H5N1 can spread between cattle through respiratory and mammary routes, and a total of 157 outbreaks have been confirmed.

- Date: 2024-07-15 · published 2024-07-15T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/16076-tests-confirm-h5n1-in-oklahoma-dairy-herd-13-states-now-affected-cidrap
- Commodities: [Milk (Class III)](https://feedsoft.ai/c/MILK.md)

## Why it matters

Infected dairy herds reduce milk output and raise biosecurity concerns, which can pressure milk supply and prices. Spread to new states increases uncertainty for dairy producers.

## Read by commodity

- MILK: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| MILK | 2024-04-03 | [HPAI Fails to Impact Dairy Prices So Far - Why Markets Could Actually See Some Growth in the Near Future - Dairy Herd](https://feedsoft.ai/events/6733-hpai-fails-to-impact-dairy-prices-so-far-why-markets-could-actually-see-some.md) | -4.7% | -5.0% |
| MILK | 2024-06-15 | [Bird flu risk is restricted to those who work with dairy cattle — for now : NPR](https://feedsoft.ai/events/16088-bird-flu-risk-is-restricted-to-those-who-work-with-dairy-cattle-for-now-npr.md) | +0.3% | -0.6% |
| MILK | 2024-04-11 | [States Restrict Dairy Cattle Movement - Zia Commodities, LLC](https://feedsoft.ai/events/30682-states-restrict-dairy-cattle-movement-zia-commodities-llc.md) | -0.6% | +19.5% |
| MILK | 2024-08-30 | [Bird flu infects California dairy cows, widening US outbreak](https://feedsoft.ai/events/16067-bird-flu-infects-california-dairy-cows-widening-us-outbreak.md) | +10.5% | +13.1% |
| MILK | 2024-11-14 | [Additional HPAI detections in western US dairies and poultry flocks - United Egg Producers](https://feedsoft.ai/events/27435-additional-hpai-detections-in-western-us-dairies-and-poultry-flocks-united-egg.md) | -0.3% | -6.0% |

## Sources

- cidrap.umn.edu: https://www.cidrap.umn.edu/avian-influenza-bird-flu/tests-confirm-h5n1-oklahoma-dairy-herd-13-states-now-affected

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