Japanese encephalitis has been detected at three more South Australian (SA) piggeries, bringing the total number of cases in SA to four. According to a Department of Primary Industries and Regions SA (PIRSA) media release on Thursday, the detections were in the local government areas of Murray Bridge, Coorong, Loxton, and Waikerie. South Australia’s Chief Veterinary Officer Dr Mary Carr said that farmers should try to prevent pigs and horses from being infected by controlling mosquitoes and protecting animals from being bitten. “PIRSA urges all pig and horse owners to reduce the risk by controlling mosquitoes on your property, through eliminating breeding areas and using chemicals responsibly,” she said. “Prevent mosquitoes biting pigs and horses and protect yourself, your staff and your family.” This comes after 20 human cases of Japanese encephalitis virus (JEV) have been laboratory confirmed so far across the states of New South Wales, Queensland, South Australia, …