# USDA releases sterile flies near Uvalde to fight screwworm spread

> The USDA released sterile flies at a ranch near Uvalde, Texas, as part of efforts to contain New World screwworm. The agency reported seven active U.S. cases—six in Texas and one in New Mexico—and said it had released 142 million sterile flies in Texas since February.

- Date: 2026-11-08 · published 2026-11-09T00:15:40.419Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/88308-usda-releases-sterile-flies-near-uvalde-to-fight-screwworm-spread
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

Sterile-fly releases are intended to curb a disease threat to cattle and limit potential disruption to herd health and marketing; the article does not report a direct price effect.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2026-02-02 | [USDA to release flies near US-Mexico border to fight screwworm pest \| Reuters](https://feedsoft.ai/events/20536-usda-to-release-flies-near-us-mexico-border-to-fight-screwworm-pest-reuters.md) | +1.4% | +4.3% |
| LCATTLE | 2025-08-15 | [USDA to build Texas facility to fight flesh-eating screwworms \| Reuters](https://feedsoft.ai/events/23282-usda-to-build-texas-facility-to-fight-flesh-eating-screwworms-reuters.md) | +1.1% | -0.1% |
| LCATTLE | 2025-09-01 | [USDA ramps up screwworm fight as cattle futures surge](https://feedsoft.ai/events/23460-usda-ramps-up-screwworm-fight-as-cattle-futures-surge.md) | -1.4% | -3.5% |
| LCATTLE | 2025-08-18 | [All-out effort to fight New World screwworm needed](https://feedsoft.ai/events/23286-all-out-effort-to-fight-new-world-screwworm-needed.md) | +0.8% | -1.2% |
| LCATTLE | 2025-06-18 | [Secretary Rollins Announces Bold Plan to Combat New World Screwworm’s Northward Spread \| USDA](https://feedsoft.ai/events/24160-secretary-rollins-announces-bold-plan-to-combat-new-world-screwworm-s-northward.md) | -1.2% | -0.3% |
| FCATTLE | 2026-02-02 | [USDA to release flies near US-Mexico border to fight screwworm pest \| Reuters](https://feedsoft.ai/events/20536-usda-to-release-flies-near-us-mexico-border-to-fight-screwworm-pest-reuters.md) | +2.0% | -0.8% |
| FCATTLE | 2025-08-15 | [USDA to build Texas facility to fight flesh-eating screwworms \| Reuters](https://feedsoft.ai/events/23282-usda-to-build-texas-facility-to-fight-flesh-eating-screwworms-reuters.md) | +4.7% | +2.9% |
| FCATTLE | 2025-09-01 | [USDA ramps up screwworm fight as cattle futures surge](https://feedsoft.ai/events/23460-usda-ramps-up-screwworm-fight-as-cattle-futures-surge.md) | -1.0% | -2.4% |

## Sources

- krgv.com: https://www.krgv.com/videos/usda-releases-sterile-flies-near-uvalde-to-fight-screwworm-spread/

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