# Policy Matters

> Angus Journal's Policy Matters column describes USDA efforts to rebuild US defenses against New World screwworm. The parasite was eliminated from the US decades ago but spread back through Central America and Mexico, leading USDA to close the border to Mexican cattle in November 2024.

- Date: 2026-08-10 · published 2026-08-10T12:00:00.000Z
- Category: disease · region US · magnitude low
- Page: https://feedsoft.ai/events/17850-policy-matters
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Screwworm controls govern when Mexican feeder cattle can enter the US, so they shape the cattle supply outlook and price risk.

## Read by commodity

- FCATTLE: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| FCATTLE | 2025-02-18 | [USDA will not ban cattle imports from Mexico over latest screwworm case, agency says \| Reuters](https://feedsoft.ai/events/25979-usda-will-not-ban-cattle-imports-from-mexico-over-latest-screwworm-case-agency.md) | +2.2% | +6.9% |
| FCATTLE | 2020-11-20 | [Mexican Drug War Affects U.S. Cattle Program - Dairy Herd](https://feedsoft.ai/events/50121-mexican-drug-war-affects-u-s-cattle-program-dairy-herd.md) | +2.2% | +2.7% |
| FCATTLE | 2024-04-19 | [Strong cattle market fundamentals remain but expect 'jittery' futures markets - Agweek \| #1 source for agriculture news, farming, markets](https://feedsoft.ai/events/30860-strong-cattle-market-fundamentals-remain-but-expect-jittery-futures-markets.md) | +1.4% | +1.3% |
| FCATTLE | 2024-03-25 | [US, Mexico reach deal to continue cattle imports \| Latest Market News](https://feedsoft.ai/events/31160-us-mexico-reach-deal-to-continue-cattle-imports-latest-market-news.md) | -3.8% | -2.8% |
| FCATTLE | 2026-07-31 | [Cattle futures rebound as Mexican import fears ease - CME
						 \| The Beef Site](https://feedsoft.ai/events/18476-cattle-futures-rebound-as-mexican-import-fears-ease-cme-the-beef-site.md) | +0.5% | -3.7% |

## Sources

- angus.org: https://www.angus.org/angus-media/angus-beef-bulletin/abb-articles/2026/09/policy-matters

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