# New World screwworm cases surge to 99 across Texas, New Mexico and Arizona

> USDA has confirmed 99 New World screwworm animal cases in Texas, New Mexico and Arizona since June, including nine new infestations since Monday. Of these, 42 cases are active, and detections rose sharply in October after a quiet August and September.

- Date: 2026-11-04 · published 2026-11-04T21:13:03.734Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/80527-new-world-screwworm-cases-surge-to-99-across-texas-new-mexico-and-arizona
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

A rapidly growing screwworm outbreak in US cattle country raises risk of movement restrictions and herd losses, which could tighten cattle supply and support live and feeder cattle prices.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| 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 | 2026-04-27 | [New World Screwworm cases surge, yet reopening speculation persists \| The National Provisioner](https://feedsoft.ai/events/19655-new-world-screwworm-cases-surge-yet-reopening-speculation-persists-the-national.md) | +0.6% | +3.2% |
| 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 | 2026-06-04 | [Texas Ranchers Brace as New World Screwworm Returns to US Soil After 6 Decades](https://feedsoft.ai/events/12087-texas-ranchers-brace-as-new-world-screwworm-returns-to-us-soil-after-6-decades.md) | +0.6% | -1.0% |
| 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% |
| FCATTLE | 2026-04-27 | [New World Screwworm cases surge, yet reopening speculation persists \| The National Provisioner](https://feedsoft.ai/events/19655-new-world-screwworm-cases-surge-yet-reopening-speculation-persists-the-national.md) | +1.0% | -4.8% |

## Sources

- tspantx.com: https://tspantx.com/new-world-screwworm-cases-surge-to-99-across-texas-new-mexico-and-arizona/

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