# New World screwworm cases spread across southern New Mexico and Arizona

> New World screwworm cases continue to spread in Texas and southern New Mexico and have reached Arizona. New Mexico has confirmed new cases in cattle and trapped flies across several southern counties, and the USDA reports 128 US cases since June with 65 active.

- Date: 2026-11-12 · published 2026-11-13T06:14:03.727Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/97266-new-world-screwworm-cases-spread-across-southern-new-mexico-and-arizona
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Spreading screwworm infestations in cattle raise livestock losses and movement restrictions, tightening cattle supply and supporting feeder and live cattle prices.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2025-07-10 | [Secretary Rollins Takes Decisive Action and Shuts Down U.S. Southern Border Ports to Livestock Trade due to further Northward Spread of New World Screwworm in Mexico \| USDA](https://feedsoft.ai/events/23699-secretary-rollins-takes-decisive-action-and-shuts-down-u-s-southern-border.md) | +2.6% | +6.8% |
| 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 | 2025-09-22 | [Mexico Confirms Case of New World Screwworm in Nuevo Leon \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/22806-mexico-confirms-case-of-new-world-screwworm-in-nuevo-leon-animal-and-plant.md) | -0.8% | +0.3% |
| LCATTLE | 2026-02-24 | [Border closure over New World Screwworm threat ripples across U.S. beef industry](https://feedsoft.ai/events/20539-border-closure-over-new-world-screwworm-threat-ripples-across-u-s-beef-industry.md) | -3.3% | -4.4% |
| LCATTLE | 2026-05-01 | [More Screwworm Cases in Mexico Threaten Cattle Trade With US](https://feedsoft.ai/events/19652-more-screwworm-cases-in-mexico-threaten-cattle-trade-with-us.md) | +0.1% | +1.1% |
| FCATTLE | 2025-07-10 | [Secretary Rollins Takes Decisive Action and Shuts Down U.S. Southern Border Ports to Livestock Trade due to further Northward Spread of New World Screwworm in Mexico \| USDA](https://feedsoft.ai/events/23699-secretary-rollins-takes-decisive-action-and-shuts-down-u-s-southern-border.md) | +1.6% | +7.7% |
| FCATTLE | 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) | +1.0% | +0.9% |
| FCATTLE | 2025-09-22 | [Mexico Confirms Case of New World Screwworm in Nuevo Leon \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/22806-mexico-confirms-case-of-new-world-screwworm-in-nuevo-leon-animal-and-plant.md) | -0.6% | +3.6% |

## Sources

- abqjournal.com: https://www.abqjournal.com/news/new-world-screwworm-spreads-rapidly-in-new-mexico/3161310

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