# Screwworm cases reach 71 across U.S.

> New World screwworm cases in the US have risen over recent days near the southern border, with new detections in dogs and a cat in Arizona, New Mexico and Texas, and cattle in New Mexico. USDA reports 71 total US cases, with 18 currently active.

- Date: 2026-11-02 · published 2026-11-03T06:13:09.630Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/77132-screwworm-cases-reach-71-across-u-s
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

A growing screwworm footprint in US livestock raises the risk of movement restrictions and herd losses, supporting cattle prices while adding uncertainty to the phased reopening of Mexican cattle imports.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2026-06-09 | [Texas screwworm case drives cattle rally](https://feedsoft.ai/events/18947-texas-screwworm-case-drives-cattle-rally.md) | +0.7% | -2.1% |
| 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% |
| LCATTLE | 2026-03-27 | [Screwworm Fears are Reshaping the U.S. Cattle Feeding Industry](https://feedsoft.ai/events/20119-screwworm-fears-are-reshaping-the-u-s-cattle-feeding-industry.md) | +2.5% | +5.6% |
| LCATTLE | 2026-06-04 | [US screwworm case puts ranchers on alert, rallies cattle prices By Reuters](https://feedsoft.ai/events/12084-us-screwworm-case-puts-ranchers-on-alert-rallies-cattle-prices-by-reuters.md) | +0.6% | -1.0% |
| FCATTLE | 2026-06-09 | [Texas screwworm case drives cattle rally](https://feedsoft.ai/events/18947-texas-screwworm-case-drives-cattle-rally.md) | +3.1% | +3.2% |
| FCATTLE | 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) | -1.9% | -1.6% |
| FCATTLE | 2025-05-27 | [Screwworm cases prompt another border closure](https://feedsoft.ai/events/24640-screwworm-cases-prompt-another-border-closure.md) | +0.5% | +0.6% |

## Sources

- farmweeknow.com: https://www.farmweeknow.com/livestock/screwworm-cases-reach-71-across-u-s/article_c87d4103-5c2f-479f-b884-27d4eface092.html

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