# Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - Flesh-eating New World Screwworm could pose health risks to cattle, humans

> USDA suspended imports of live cattle, horses and bison through US southern border ports effective immediately due to the threat of New World screwworm. The article notes the parasite could pose health risks to both cattle and humans.

- Date: 2019-03-06 · published 2019-03-06T12:00:00.000Z
- Category: disease · region US · magnitude high
- Page: https://feedsoft.ai/events/60055-boston-herald-boston-news-sports-politics-opinion-entertainment-weather-and
- Commodities: [Feeder Cattle](https://feedsoft.ai/c/FCATTLE.md), [Live Cattle](https://feedsoft.ai/c/LCATTLE.md)

## Why it matters

Halting live cattle imports from Mexico reduces feeder supply entering US feedlots, which is bullish for cattle prices.

## Read by commodity

- FCATTLE: bullish ▲
- LCATTLE: bullish ▲

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| FCATTLE | 2019-03-06 | [Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - USDA threatens to halt Mexican beef imports over flesh-eating fly crisis](https://feedsoft.ai/events/60057-boston-herald-boston-news-sports-politics-opinion-entertainment-weather-and.md) | +0.3% | +2.8% |
| FCATTLE | 2019-03-06 | [Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - EXCLUSIVE: Cattle industry chief warns flesh-eating fly menaces US herds as Mexico yields on pest fight](https://feedsoft.ai/events/60054-boston-herald-boston-news-sports-politics-opinion-entertainment-weather-and.md) | +0.3% | +2.8% |
| FCATTLE | 2026-06-05 | [US races to contain flesh-eating parasite screwworm, reports no further cases](https://feedsoft.ai/events/18948-us-races-to-contain-flesh-eating-parasite-screwworm-reports-no-further-cases.md) | +1.8% | +2.0% |
| 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% |
| LCATTLE | 2019-03-06 | [Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - USDA threatens to halt Mexican beef imports over flesh-eating fly crisis](https://feedsoft.ai/events/60057-boston-herald-boston-news-sports-politics-opinion-entertainment-weather-and.md) | -0.9% | -1.7% |
| LCATTLE | 2019-03-06 | [Boston Herald - Boston news, sports, politics, opinion, entertainment, weather and obituaries - EXCLUSIVE: Cattle industry chief warns flesh-eating fly menaces US herds as Mexico yields on pest fight](https://feedsoft.ai/events/60054-boston-herald-boston-news-sports-politics-opinion-entertainment-weather-and.md) | -0.9% | -1.7% |
| LCATTLE | 2026-06-05 | [US races to contain flesh-eating parasite screwworm, reports no further cases](https://feedsoft.ai/events/18948-us-races-to-contain-flesh-eating-parasite-screwworm-reports-no-further-cases.md) | +0.4% | -2.4% |

## Sources

- markets.bostonherald.com: http://markets.bostonherald.com/bostonherald/article/barchart-2026-3-2-cattle-look-to-new-month-of-trade
- markets.bostonherald.com: http://markets.bostonherald.com/bostonherald/news/read/44711816/flesh

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