‘The pigs have disappeared’: swine fever threatens food source for millions as disease hits wild herds

Scientists call for urgent intervention, as bearded pig populations are devastated by the deadly virus on islands such as Borneo

Populations of wild pigs are crashing due to the spread of African swine fever (ASF), threatening the livelihoods of millions who depend on them for food, researchers warn.

With a fatality rate of almost 100%, ASF has swept across Asia, Europe and Africa, devastating domestic and wild pig populations over the past 10 to 20 years. The impacts are especially significant in Borneo, in south-east Asia, where bearded pig numbers have declined by between 90% and 100% since it arrived on the island in 2021, researchers said.