# Jump in screwworm cases adding upside pressure on feeders

> Screwworm cases rose sharply in the United States this month, according to the Hightower Report. Feeder cattle led the cattle complex higher on Friday, and December live cattle rallied to a new weekly high after an early dip.

- Date: 2026-11-13 · published 2026-11-14T00:08:53.202Z
- Category: disease · region US · magnitude medium
- Page: https://feedsoft.ai/events/98560-jump-in-screwworm-cases-adding-upside-pressure-on-feeders
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md), [Live Cattle](https://feedsoft.ai/c/LCATTLE.md)

## Why it matters

A rising screwworm caseload tightens cattle supply and movement, which supports feeder cattle prices and raises feed demand. It also increases the risk of trade restrictions on live cattle.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| FCATTLE | 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) | +2.6% | +1.1% |
| 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% |
| FCATTLE | 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) | +1.2% | -4.7% |
| FCATTLE | 2026-06-04 | [New World Screwworm Confirmed in US - CME Feeder Cattle Futures Surge After Early Slide](https://feedsoft.ai/events/12085-new-world-screwworm-confirmed-in-us-cme-feeder-cattle-futures-surge-after-early.md) | +3.4% | +5.3% |
| FCATTLE | 2026-05-20 | [Ranchers herd it all as fewer cattle pressure beef prices; screwworm lurks - Dallasfed.org](https://feedsoft.ai/events/19198-ranchers-herd-it-all-as-fewer-cattle-pressure-beef-prices-screwworm-lurks.md) | -4.0% | -0.6% |
| 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 | 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% |
| LCATTLE | 2026-06-04 | [New World Screwworm Confirmed in US - CME Feeder Cattle Futures Surge After Early Slide](https://feedsoft.ai/events/12085-new-world-screwworm-confirmed-in-us-cme-feeder-cattle-futures-surge-after-early.md) | +0.6% | -1.0% |

## Sources

- agupdate.com: https://agupdate.com/iowafarmertoday/mwo/livestock/article_4f048597-cb28-4fcb-b78c-e72ac9363e70.html

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