Huge pig culls took place last week in Italy in an attempt to contain the country’s largest outbreak of African swine fever (ASF) virus since the 1960s, which threatened the entire pig-farming sector. ASF is deadly to pigs and poses a serious threat to the global pig industry but is not a danger to humans, according to the World Organisation for Animal Health (WOAH). The virus, the organisation said, “is highly resistant in the environment … [and can] survive on clothes, boots, wheels, and other materials”. It added: “It can also survive in various pork products, such as ham, sausages...