# You Have Screwworm Questions. We Have Answers

> Arizona officials outlined livestock movement rules as New World screwworm spreads across southeastern Arizona. Animals confirmed infested must remain on the property for 21 days or until wounds heal, while healthy animals may leave after inspection; officials also advise treating and monitoring infested animals to prevent larvae from completing their life cycle.

- Date: 2026-11-06 · published 2026-11-06T19:07:51.403Z
- Category: disease · region Arizona, United States · magnitude low
- Page: https://feedsoft.ai/events/84823-you-have-screwworm-questions-we-have-answers
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Quarantine and inspection rules can slow livestock movements and add handling costs, while wider spread could disrupt cattle marketing and production. The article describes localized controls, with no stated broad market impact yet.

## Read by commodity

- FCATTLE: bearish ▼
- LCATTLE: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2025-04-28 | [US and Mexico reach agreement on screwworm, Ag Secretary Rollins says \| Reuters](https://feedsoft.ai/events/25082-us-and-mexico-reach-agreement-on-screwworm-ag-secretary-rollins-says-reuters.md) | +0.4% | +3.8% |
| LCATTLE | 2025-04-30 | [United States and Mexico Reach Agreement to Resume Eradication Efforts on New World Screwworm](https://feedsoft.ai/events/25078-united-states-and-mexico-reach-agreement-to-resume-eradication-efforts-on-new.md) | +0.4% | +2.1% |
| LCATTLE | 2025-08-26 | [Cattle futures drop on screwworm fears and profit-taking - CME
						 \| The Beef Site](https://feedsoft.ai/events/23462-cattle-futures-drop-on-screwworm-fears-and-profit-taking-cme-the-beef-site.md) | +0.2% | -2.0% |
| LCATTLE | 2018-01-01 | [Canada Blocks Texas Cattle as Flesh-Eating Screwworm Returns to the US After 60 Years](https://feedsoft.ai/events/66963-canada-blocks-texas-cattle-as-flesh-eating-screwworm-returns-to-the-us-after-60.md) | -0.4% | +1.9% |
| LCATTLE | 2025-10-23 | [Mexican ag minister to discuss with US counterpart opening border to cattle amid screwworm outbreak \| Reuters](https://feedsoft.ai/events/22362-mexican-ag-minister-to-discuss-with-us-counterpart-opening-border-to-cattle.md) | -2.0% | -7.9% |
| FCATTLE | 2025-04-28 | [US and Mexico reach agreement on screwworm, Ag Secretary Rollins says \| Reuters](https://feedsoft.ai/events/25082-us-and-mexico-reach-agreement-on-screwworm-ag-secretary-rollins-says-reuters.md) | +1.5% | +3.4% |
| FCATTLE | 2025-04-30 | [United States and Mexico Reach Agreement to Resume Eradication Efforts on New World Screwworm](https://feedsoft.ai/events/25078-united-states-and-mexico-reach-agreement-to-resume-eradication-efforts-on-new.md) | +0.6% | +0.5% |
| FCATTLE | 2025-08-26 | [Cattle futures drop on screwworm fears and profit-taking - CME
						 \| The Beef Site](https://feedsoft.ai/events/23462-cattle-futures-drop-on-screwworm-fears-and-profit-taking-cme-the-beef-site.md) | +0.9% | +1.1% |

## Sources

- azfb.org: https://www.azfb.org/Article/arizona-screwworm-infested-zone-pin-registry

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