# What the U.S. can learn from Mexico's handling of the screwworm outbreak - VPM

> New World screwworm has spread north through Mexico over the past year and a half, and the USDA has confirmed cases in more than 30 cattle, sheep and goats in Texas over the past month. Mexico has supplied ranchers with sample kits and cross-border control efforts are ongoing. Sonora has not yet reported cases.

- Date: 2026-07-19 · published 2026-07-19T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/18298-what-the-u-s-can-learn-from-mexico-s-handling-of-the-screwworm-outbreak-vpm
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Ongoing screwworm detections in US livestock raise the risk of further movement restrictions and herd losses, which would keep cattle supplies tight and support prices.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2025-01-13 | [Mexican cattle banned from Texas due to screwworm threat - The Texas Tribune](https://feedsoft.ai/events/26445-mexican-cattle-banned-from-texas-due-to-screwworm-threat-the-texas-tribune.md) | +0.4% | +3.2% |
| 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 | 2025-05-13 | [Mexico to tighten cattle flows from south, rules out shutting border over screwworm](https://feedsoft.ai/events/24641-mexico-to-tighten-cattle-flows-from-south-rules-out-shutting-border-over.md) | -0.5% | +5.0% |
| 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% |
| LCATTLE | 2024-05-09 | [Nicaragua reports screwworm outbreak in cattle
						 \| The Cattle Site](https://feedsoft.ai/events/30190-nicaragua-reports-screwworm-outbreak-in-cattle-the-cattle-site.md) | +0.6% | +2.4% |
| FCATTLE | 2024-11-29 | [Mexico’s Screwworm Outbreak Delays Mexican Cattle Exports Into the US Until After the First of the Year - Oklahoma Farm Report](https://feedsoft.ai/events/27349-mexico-s-screwworm-outbreak-delays-mexican-cattle-exports-into-the-us-until.md) | -1.5% | +1.0% |
| FCATTLE | 2025-01-13 | [Mexican cattle banned from Texas due to screwworm threat - The Texas Tribune](https://feedsoft.ai/events/26445-mexican-cattle-banned-from-texas-due-to-screwworm-threat-the-texas-tribune.md) | +0.4% | -1.6% |
| 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% | — |

## Sources

- vpm.org: https://www.vpm.org/npr-news/2026-07-19/what-the-u-s-can-learn-from-mexicos-handling-of-the-screwworm-outbreak/

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