# Mexico steps up controls after new screwworm case near US border | AP News

> Mexico activated emergency controls after detecting a New World screwworm case in cattle in Nuevo León, the closest case to the U.S. border since the outbreak began. The animal was found in Sabinas Hidalgo and came from Veracruz. The detection marks the closest case to the U.S. border in the outbreak so far.

- Date: 2025-09-22 · published 2025-09-22T12:00:00.000Z
- Category: disease · region Mexico · magnitude high
- Page: https://feedsoft.ai/events/22810-mexico-steps-up-controls-after-new-screwworm-case-near-us-border-ap-news
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

The nearby case increases the chance that the border stays closed to Mexican cattle, keeping U.S. feeder and fed cattle supplies tight and prices firm.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2023-10-23 | [Mexico boosts controls on cattle after new screwworm case found near US border in Nuevo Leon](https://feedsoft.ai/events/33561-mexico-boosts-controls-on-cattle-after-new-screwworm-case-found-near-us-border.md) | +0.4% | -3.5% |
| LCATTLE | 2026-10-26 | [Cattle from Mexico are tested for screwworm at the border \| AP News](https://feedsoft.ai/events/17077-cattle-from-mexico-are-tested-for-screwworm-at-the-border-ap-news.md) | -0.7% | — |
| LCATTLE | 2026-02-02 | [USDA to release flies near US-Mexico border to fight screwworm pest \| Reuters](https://feedsoft.ai/events/20536-usda-to-release-flies-near-us-mexico-border-to-fight-screwworm-pest-reuters.md) | +1.4% | +4.3% |
| LCATTLE | 2024-11-25 | [US suspends Mexican cattle imports after New World screwworm case \| Reuters](https://feedsoft.ai/events/27346-us-suspends-mexican-cattle-imports-after-new-world-screwworm-case-reuters.md) | +1.6% | +3.8% |
| LCATTLE | 2026-08-22 | [US-Mexico: Screwworm is squeezing ranchers on both sides of the border \| CNN](https://feedsoft.ai/events/17847-us-mexico-screwworm-is-squeezing-ranchers-on-both-sides-of-the-border-cnn.md) | -1.6% | -2.8% |
| FCATTLE | 2023-10-23 | [Mexico boosts controls on cattle after new screwworm case found near US border in Nuevo Leon](https://feedsoft.ai/events/33561-mexico-boosts-controls-on-cattle-after-new-screwworm-case-found-near-us-border.md) | -2.0% | -5.5% |
| FCATTLE | 2026-10-26 | [Cattle from Mexico are tested for screwworm at the border \| AP News](https://feedsoft.ai/events/17077-cattle-from-mexico-are-tested-for-screwworm-at-the-border-ap-news.md) | -3.5% | — |
| FCATTLE | 2026-02-02 | [USDA to release flies near US-Mexico border to fight screwworm pest \| Reuters](https://feedsoft.ai/events/20536-usda-to-release-flies-near-us-mexico-border-to-fight-screwworm-pest-reuters.md) | +2.0% | -0.8% |

## Sources

- apnews.com: https://apnews.com/article/screwworm-mexico-cattle-tariffs-parasite-nuevo-leon-649a82dedfa81dc215aebba16bb8cc67

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