Up to 50 % of China 's breeding pigs may have been killed as a result of the country 's African swine fever epidemic . By Dominique Patton and Hallie Gu BEIJING, June 30 (Reuters) - The figure , which includes both sows that have died from the virus and those that have been slaughtered in an attempt to stop further outbreaks , is estimated to be twice as high as official estimates , according to a number of suppliers .
Up to 50 % of China 's breeding pigs may have been killed as a result of the country 's African swine fever epidemic . The figure , which includes both sows that have died from the virus and those that have been slaughtered in an attempt to stop further outbreaks , is estimated to be twice as high as official estimates , according to a number of suppliers .