# New World Screwworm Confirmed in US - CME Feeder Cattle Futures Surge After Early Slide

> APHIS confirmed a New World screwworm case in a 3-week-old calf in Zavala County, Texas. CME feeder cattle opened sharply lower, then pared losses and moved higher into positive territory. Live cattle futures also gained.

- Date: 2026-06-04 · published 2026-06-04T12:00:00.000Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/12085-new-world-screwworm-confirmed-in-us-cme-feeder-cattle-futures-surge-after-early
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md), [Live Cattle](https://feedsoft.ai/c/LCATTLE.md)

## Why it matters

Uncertainty about supply and movement restrictions is weighing on cattle prices, but the reversal shows the confirmation was partly priced in. Movement restrictions could tighten feeder supplies over the coming weeks.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Linked price moves

| Commodity | Date | Window | Change % | z-score | Why linked |
| --- | --- | --- | --- | --- | --- |
| FCATTLE | 2026-06-03 | 1 | +3.1% | 3.3 | Describes the screwworm confirmation and feeder futures reversing an early slide into gains, consistent with the oversold market bouncing on supply concerns. |

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| 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% |
| 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 | 2025-05-12 | [Understand the $6.50 Surge in Feeder Cattle Futures - AgWeb](https://feedsoft.ai/events/24819-understand-the-6-50-surge-in-feeder-cattle-futures-agweb.md) | -0.4% | +4.6% |
| FCATTLE | 2023-10-23 | [Mexico boosts controls on cattle after new screwworm case found near US border in Nuevo Leon](https://feedsoft.ai/events/33561-mexico-boosts-controls-on-cattle-after-new-screwworm-case-found-near-us-border.md) | -2.0% | -5.5% |
| FCATTLE | 2026-06-05 | [Cattle futures rally on first US screwworm detection - CME
						 \| The Cattle Site](https://feedsoft.ai/events/12089-cattle-futures-rally-on-first-us-screwworm-detection-cme-the-cattle-site.md) | +1.8% | +2.0% |
| 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 | 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 | 2025-05-12 | [Understand the $6.50 Surge in Feeder Cattle Futures - AgWeb](https://feedsoft.ai/events/24819-understand-the-6-50-surge-in-feeder-cattle-futures-agweb.md) | +0.3% | +4.8% |

## Sources

- expanamarkets.com: https://www.expanamarkets.com/insights/article/new-world-screwworm-confirmed-in-us-cme-feeder-cattle-futures-surge-after-early-slide/

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