April 12, 2021
FAO updates on ASF situation in Asia
The United Nations' Food and Agriculture Organization (FAO) has recently released an update on the African swine fever situation in Asia.
According to FAO, 11 African swine fever (ASF) outbreaks had struck six provinces in Mongolia as well as it capital, Ulaanbaatar, affecting 105 farms/households since the disease was first reported in the country in 2019.
As a result, more than 3,115 pigs — more than 10% of the total pig population in Mongolia — have died or been culled.
Since South Korea confirmed its first ASF outbreak in 2019, ASF has been detected in 16 domestic pig farms. From October 9, 2019 to March 31, 2021, a total of 1,281 ASF infected wild boars have been confirmed.
Since China confirmed its first outbreak in Liaoning province in 2018, ASF has been detected in 32 provinces, autonomous regions, municipalities and special administrative regions. Detection of a natural mutation in the ASF virus, including lower virulent ASF viruses from samples collected between June and December 2020 from domestic pigs in Hubei, Heilongjiang and Hebei provinces was announced.
Since the Philippines confirmed the first ASF outbreak in 2019, ASF outbreaks have been reported on Luzon, Mindanao and Leyte Islands. As of March 17, ASF had spread to 12 regions, 40 provinces, 466 cities and municipalities and 2,425 communities in the Philippines to date, causing a loss of over three million pigs.
In Malaysia, a total of 16 outbreaks (seven in domestic pigs, nine in wild boars) have been reported so far. Despite the spread of ASF in the state of Sabah, the main commercial farms supplying most of the state’s pork remain ASF-free, according to media quoted statements from the Minister of Sabah.
In Indonesia, as of March 6, 2020, the number of ASF infected areas in North Sumatra province reached 21 districts and cities. On February 19, 2021, reports on 443 outbreaks ranging from West Sumatra Province (December 2019) through Nusa Tenggara Timur Province were posted on OIE WAHIS. The disease spread to 10 out of 34 provinces in Indonesia.
In Timor-Leste, the disease hit on September 9, 2019, and spread to all districts of the country by December 2019.
Papua New Guinea confirmed four ASF outbreaks in four villages on March 5, 2020, and now there are six infected provinces.
Vietnam confirmed its first ASF outbreak in 2019, and now all 63 provinces/cities have experienced outbreaks. ASF caused a loss of about six million pigs, but by the end of 2020, the total sow inventory has increased to three million and the total number of pigs reached over 26 million, equaling 85% of the pre-ASF level.
Since Laos confirmed its first ASF outbreak in Salavan province on June 20, 2019, ASF outbreaks were reported in all 18 provinces between May and November 2019. The second round of infections happened in June 2020; ASF was detected in 15 districts in seven provinces.
Since Cambodia confirmed its first ASF outbreak in Ratanakiri province in 2019, ASF outbreaks were detected in five provinces.
Myanmar confirmed the first ASF outbreak on August 1, 2019, a total of six ASF outbreaks were reported in Shan state, two in Sagaing Region and one each in Kachin and Kayah states.
India announced the confirmation of ASF outbreaks (Genotype II) in Assam state that occurred in January-April 2020. Meghalaya state confirmed ASF cases in three districts of East, West and South West Khasi Hills, Ri-Bhoi and West Jaintia Hills districts in 2020.