# Screwworm Infestations Surge Past 100 Across Texas, New Mexico and Arizona

> Confirmed New World screwworm infestations in the United States rose to 116 across Texas, New Mexico and Arizona, up nearly 47% from the previous Sunday; 56 cases remain active. Most cases involve livestock or pets, with detections in cattle, horses and a dog, while authorities also captured a wild screwworm fly in a New Mexico surveillance trap.

- Date: 2026-11-10 · published 2026-11-10T18:15:32.564Z
- Category: disease · region United States · magnitude medium
- Page: https://feedsoft.ai/events/92105-screwworm-infestations-surge-past-100-across-texas-new-mexico-and-arizona
- Commodities: [Live Cattle](https://feedsoft.ai/c/LCATTLE.md), [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md)

## Why it matters

The expanding livestock parasite threat could increase cattle losses and raise animal-health and control costs, tightening effective supply and supporting cattle prices if the outbreak worsens.

## 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 | 2025-04-28 | [Rollins to Mexico: Fight Screwworm Harder or Face New Trade Restrictions](https://feedsoft.ai/events/25083-rollins-to-mexico-fight-screwworm-harder-or-face-new-trade-restrictions.md) | +0.4% | +3.8% |
| LCATTLE | 2024-11-24 | [Mexico Notifies United States of New World Screwworm Detection \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/27344-mexico-notifies-united-states-of-new-world-screwworm-detection-animal-and-plant.md) | +1.6% | +3.8% |
| LCATTLE | 2024-11-26 | [Import Alert: New World Screwworm Restrictions for Live Animals Originating from or Transiting Mexico](https://feedsoft.ai/events/27345-import-alert-new-world-screwworm-restrictions-for-live-animals-originating-from.md) | +1.5% | +3.4% |
| LCATTLE | 2026-10-26 | [Cattle from Mexico are tested for screwworm at the border \| AP News](https://feedsoft.ai/events/17077-cattle-from-mexico-are-tested-for-screwworm-at-the-border-ap-news.md) | -0.7% | — |
| 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 | 2025-04-28 | [Rollins to Mexico: Fight Screwworm Harder or Face New Trade Restrictions](https://feedsoft.ai/events/25083-rollins-to-mexico-fight-screwworm-harder-or-face-new-trade-restrictions.md) | +1.5% | +3.4% |
| FCATTLE | 2024-11-24 | [Mexico Notifies United States of New World Screwworm Detection \| Animal and Plant Health Inspection Service](https://feedsoft.ai/events/27344-mexico-notifies-united-states-of-new-world-screwworm-detection-animal-and-plant.md) | +1.0% | +0.9% |

## Sources

- global-agriculture.com: https://www.global-agriculture.com/animal-health-welfare/screwworm-infestations-surge-past-100-across-texas-new-mexico-and-arizona/

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