# African swine fever spreads across Vietnam's Ca Mau, Tay Ninh and An Giang as provinces tighten controls

> African swine fever has spread across three southern Vietnamese provinces, Ca Mau, Tay Ninh and An Giang, and local authorities have tightened controls. About 3,460 pigs have been culled across the three provinces this year, with most outbreaks on small farms lacking biosecurity.

- Date: 2026-11-05 · published 2026-11-05T06:12:24.439Z
- Category: disease · region Vietnam · magnitude low
- Page: https://feedsoft.ai/events/81223-african-swine-fever-spreads-across-vietnam-s-ca-mau-tay-ninh-and-an-giang-as
- Commodities: [Soybean Meal](https://feedsoft.ai/c/SBM.md), [Corn](https://feedsoft.ai/c/CORN.md)

## Why it matters

Culling and reduced pig herds cut domestic feed demand in Vietnam, a modest bearish signal for imported feed ingredients such as soybean meal and corn. The scale is small relative to global markets, so the price effect is limited.

## Read by commodity

- SBM: bearish ▼
- CORN: bearish ▼

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| SBM | 2019-05-13 | [Bangkok Post - Vietnam culls 1.2m pigs as African swine fever spreads](https://feedsoft.ai/events/58964-bangkok-post-vietnam-culls-1-2m-pigs-as-african-swine-fever-spreads.md) | +3.6% | +10.3% |
| SBM | 2018-09-06 | [China's vast pig market in lockdown as African swine fever spreads](https://feedsoft.ai/events/63014-china-s-vast-pig-market-in-lockdown-as-african-swine-fever-spreads.md) | +3.1% | +0.4% |
| SBM | 2019-12-19 | [African swine fever: Fears rise as virus spreads to Indonesia - BBC News](https://feedsoft.ai/events/55479-african-swine-fever-fears-rise-as-virus-spreads-to-indonesia-bbc-news.md) | -1.1% | -0.8% |
| SBM | 2019-02-27 | [Cases Keep Coming: African Swine Fever in Vietnam, China – American Association of Swine Veterinarians](https://feedsoft.ai/events/60496-cases-keep-coming-african-swine-fever-in-vietnam-china-american-association-of.md) | +0.8% | +2.6% |
| SBM | 2019-04-22 | [Pork and Soybean Markets Adjust to African Swine Fever - ProAg](https://feedsoft.ai/events/59588-pork-and-soybean-markets-adjust-to-african-swine-fever-proag.md) | -1.1% | -2.9% |
| CORN | 2019-05-13 | [Bangkok Post - Vietnam culls 1.2m pigs as African swine fever spreads](https://feedsoft.ai/events/58964-bangkok-post-vietnam-culls-1-2m-pigs-as-african-swine-fever-spreads.md) | +6.9% | +11.9% |
| CORN | 2018-09-06 | [China's vast pig market in lockdown as African swine fever spreads](https://feedsoft.ai/events/63014-china-s-vast-pig-market-in-lockdown-as-african-swine-fever-spreads.md) | -2.1% | +1.4% |
| CORN | 2019-12-19 | [African swine fever: Fears rise as virus spreads to Indonesia - BBC News](https://feedsoft.ai/events/55479-african-swine-fever-fears-rise-as-virus-spreads-to-indonesia-bbc-news.md) | +0.5% | +0.7% |

## Sources

- efeedlink.com: https://www.efeedlink.com/articles/african-swine-fever-spreads-across-vietnams-ca-mau-tay-ninh-and-an-giang-as-provinces-tighten-controls

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