# Screwworm reappears in New Mexico ahead of port reopening |  Bloomberg News

> Screwworm has reappeared in New Mexico, according to a Bloomberg report carried by BusinessMirror. The find comes as US authorities prepare to reopen ports to Mexican livestock imports.

- Date: 2026-11-01 · published 2026-11-01T18:15:09.334Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/30934-screwworm-reappears-in-new-mexico-ahead-of-port-reopening-bloomberg-news
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md), [Live Cattle](https://feedsoft.ai/c/LCATTLE.md)

## Why it matters

Renewed screwworm detection near the border raises the risk that reopening ports will bring more Mexican cattle into the US supply, which would weigh on feeder and live cattle prices.

## Read by commodity

- FCATTLE: bearish ▼
- LCATTLE: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| FCATTLE | 2025-01-28 | [USDA’s APHIS and Mexico Getting Closer to Reopening the Border for Feeder Cattle With Updated Screwworm Protocols - Oklahoma Farm Report](https://feedsoft.ai/events/26446-usda-s-aphis-and-mexico-getting-closer-to-reopening-the-border-for-feeder.md) | -3.3% | -2.0% |
| FCATTLE | 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) | -4.7% | -6.4% |
| 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 | 2025-04-28 | [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 | 2025-11-14 | [Cattle Crash Early Friday on Lower Cash, Fear of Mexican Border Reopening - AgWeb](https://feedsoft.ai/events/6069-cattle-crash-early-friday-on-lower-cash-fear-of-mexican-border-reopening-agweb.md) | +1.1% | +0.6% |
| LCATTLE | 2025-01-28 | [USDA’s APHIS and Mexico Getting Closer to Reopening the Border for Feeder Cattle With Updated Screwworm Protocols - Oklahoma Farm Report](https://feedsoft.ai/events/26446-usda-s-aphis-and-mexico-getting-closer-to-reopening-the-border-for-feeder.md) | -0.6% | -3.9% |
| 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% |
| 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% |

## Sources

- businessmirror.com.ph: https://businessmirror.com.ph/2026/09/20/screwworm-reappears-in-new-mexico-ahead-of-port-reopening/
- breakingnownews.com: https://www.breakingnownews.com/border-crossing-reopens-under-tighter-checks-for-flesh-eating-screwworm-433403

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