African Swine Fever
African Swine Fever (ASF) is a highly contagious disease in pigs which is caused by ASF double-stranded DNA virus. It is not a zoonotic disease and will not infect human, hence does not cause any food safety risk. However, ASF virus demonstrates extremely high potential of transboundary transmission and the mortality rate of pigs infected with ASF could reach 100%. In addition, currently there is neither vaccine nor drug available for prevention or treatment of ASF. Thus, ASF is severely threatening the pig farming sector and relevant industries anywhere as well as the overall live pig supply.
ASF virus possesses high survivability in blood, faeces and tissues of the infected pigs and can persist for a long time, especially in uncooked or undercooked pork products contaminated by ASF virus. Cold environment favours the survival of ASF virus for even longer. In order to prevent the incursion of ASF virus into local farms, the farmers must implement stringent biosecurity measures.
- Latest local situation of Pig Disposal related to African Swine Fever (ASF)
Update on Pig Disposal related to African Swine Fever (ASF) in a licensed pig farm in Lau Fau Shan, Yuen Long, announced on 17 December, 2025.
| Date of operation | Number of pigs disposed | Accumulated number of pigs disposed | Number of staff involved | Remarks |
| 19 December 2025 | 192 | 192 | About 20 | |
| 20 December 2025 | 213 | 405 | About 20 | |
| 21 December 2025 | 198 | 603 | About 20 | |
| 22 December 2025 | 173 | 776 | About 20 | |
| 23 December 2025 | 202 | 978 | About 20 | |
| 24 December 2025 | 310 | 1288 | About 20 | Action is still on-going |
- Past local situation of Pig Disposal related to African Swine Fever
Past_local_situation_of_Pig_Disposal_related_to_African_Swine_Fever_ENG
- Posters (PDF version) (Chinese version only)
