# US races to contain flesh-eating parasite screwworm, reports no further cases

> USDA confirmed a New World screwworm infestation in a calf in La Pryor, Texas, the first US farm case in decades. Officials set a 20-km movement restriction zone and checkpoints, and Agriculture Secretary Rollins said no other infestations had been found.

- Date: 2026-06-05 · published 2026-06-05T12:00:00.000Z
- Category: disease · region US · magnitude high
- Page: https://feedsoft.ai/events/18948-us-races-to-contain-flesh-eating-parasite-screwworm-reports-no-further-cases
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

The domestic case raises risk of livestock movement limits and herd losses, supporting cattle prices while sterile fly capacity is not due until late 2027.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| LCATTLE | 2026-06-03 | [Flesh-eating screwworm confirmed in Texas calf as parasite crosses border from Mexico \| Reuters](https://feedsoft.ai/events/18763-flesh-eating-screwworm-confirmed-in-texas-calf-as-parasite-crosses-border-from.md) | +0.0% | -0.7% |
| LCATTLE | 2025-06-02 | [How flesh-eating screwworms in cattle could raise US beef prices \| Reuters](https://feedsoft.ai/events/24157-how-flesh-eating-screwworms-in-cattle-could-raise-us-beef-prices-reuters.md) | +3.1% | +3.0% |
| LCATTLE | 2025-07-10 | [US again halts cattle imports from Mexico over flesh-eating screwworms \| Reuters](https://feedsoft.ai/events/23700-us-again-halts-cattle-imports-from-mexico-over-flesh-eating-screwworms-reuters.md) | +2.6% | +6.8% |
| LCATTLE | 2025-07-10 | [US recloses border with Mexico as flesh-eating parasite moves north \| AP News](https://feedsoft.ai/events/23705-us-recloses-border-with-mexico-as-flesh-eating-parasite-moves-north-ap-news.md) | +2.6% | +6.8% |
| LCATTLE | 2025-10-01 | [Mexico sees 32% jump in flesh-eating screwworm cases since August as cases move north \| Reuters](https://feedsoft.ai/events/22368-mexico-sees-32-jump-in-flesh-eating-screwworm-cases-since-august-as-cases-move.md) | -0.1% | +0.2% |
| FCATTLE | 2026-06-03 | [Flesh-eating screwworm confirmed in Texas calf as parasite crosses border from Mexico \| Reuters](https://feedsoft.ai/events/18763-flesh-eating-screwworm-confirmed-in-texas-calf-as-parasite-crosses-border-from.md) | +1.6% | +4.5% |
| FCATTLE | 2025-06-02 | [How flesh-eating screwworms in cattle could raise US beef prices \| Reuters](https://feedsoft.ai/events/24157-how-flesh-eating-screwworms-in-cattle-could-raise-us-beef-prices-reuters.md) | +3.8% | +4.0% |
| FCATTLE | 2025-07-10 | [US again halts cattle imports from Mexico over flesh-eating screwworms \| Reuters](https://feedsoft.ai/events/23700-us-again-halts-cattle-imports-from-mexico-over-flesh-eating-screwworms-reuters.md) | +1.6% | +7.7% |

## Sources

- bluewaterhealthyliving.com: https://bluewaterhealthyliving.com/news/business-and-economy/us-screwworm-case-puts-ranchers-on-alert-rallies-cattle-prices/

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