# Publication : USDA ARS

> A USDA ARS research publication describes a 2020 highly pathogenic H7N3 avian influenza outbreak in US turkey farms in North Carolina and South Carolina. The virus evolved from a low-pathogenicity strain, and affected premises were depopulated.

- Date: 2020-08-21 · published 2020-08-21T12:00:00.000Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/51492-publication-usda-ars
- 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

Localised poultry losses in the US are small relative to national output, so the market effect is limited. The paper is mainly a scientific account of the outbreak.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2021-07-29 | [African swine fever confirmed in Dominican Republic pigs -USDA](https://feedsoft.ai/events/45944-african-swine-fever-confirmed-in-dominican-republic-pigs-usda.md) | +1.5% | -10.9% |
| HOGS | 2023-04-20 | [USDA looking at ASF vaccine, depopulation options \| Feed Strategy](https://feedsoft.ai/events/16190-usda-looking-at-asf-vaccine-depopulation-options-feed-strategy.md) | +0.6% | +7.9% |
| HOGS | 2026-10-11 | [Sub-Saharan Africa HPAI situation update](https://feedsoft.ai/events/15872-sub-saharan-africa-hpai-situation-update.md) | -6.6% | — |
| HOGS | 2018-10-30 | [USDA building a wall against African swine fever](https://feedsoft.ai/events/62435-usda-building-a-wall-against-african-swine-fever.md) | -1.5% | -4.3% |
| HOGS | 2023-04-22 | [USDA takes new steps in efforts to control CWD, bird flu and other animal diseases \| Wyoming Public Media](https://feedsoft.ai/events/16193-usda-takes-new-steps-in-efforts-to-control-cwd-bird-flu-and-other-animal.md) | +1.9% | +7.8% |
| SBM | 2021-07-29 | [African swine fever confirmed in Dominican Republic pigs -USDA](https://feedsoft.ai/events/45944-african-swine-fever-confirmed-in-dominican-republic-pigs-usda.md) | -0.7% | -1.2% |
| SBM | 2016-11-01 | [Biosecurity Education and Compliance are Critical in Preventing Avian Influenza Outbreaks \| USDA](https://feedsoft.ai/events/73878-biosecurity-education-and-compliance-are-critical-in-preventing-avian-influenza.md) | -1.3% | +0.1% |
| SBM | 2026-10-11 | [Sub-Saharan Africa HPAI situation update](https://feedsoft.ai/events/15872-sub-saharan-africa-hpai-situation-update.md) | -1.1% | -9.2% |

## Sources

- ars.usda.gov: https://www.ars.usda.gov/research/publications/publication/?seqNo115=375036

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