Food waste blamed for Taiwan’s only ASF outbreak

Investigations into the territory’s only outbreak of African swine fever (ASF) so far point to poorly processed food waste as the source of the virus, while two members of the farm family are being held by officials amid other related allegations.

November 5, 2025

Food waste in metal trash bin with lid, including bananas, milk, vegetables, and produce

HighwayStarz | BigStock.com

Investigations after the confirmation of Taiwan’s first ASF outbreak last month appear to identify the source of the virus as incorrectly processed food waste. Directly impacted were approximately 300 pigs at a farm in the Taichung city area.

This week, two members of the family at the outbreak farm were detained by prosecutors, reported Focus Taiwan. During questioning, it is alleged that the duo may have forged documents relating to the outbreak. Because of the risks of destroying or forging evidence, collusion and witness interference, the two have been detained, according to the report.

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