Poland confirmed the discovery of the fourth case of BSE

Lead: Polish authorities confirmed the discovery of a fourth case of BSE, Polish news agency PAP reported on Thursday The cow, from the Zamosc region in eastern Poland, was tested by a veterinarian for suspected BSE symptoms Three cases of mad cow disease were found in post-mortem examination There are two herds in Zamosc, one of which is located in the eastern town of krasnystaw, which is famous for its dairy products Piotr kolodziej, Poland's chief veterinary officer, claimed that the two herds had been slaughtered and destroyed It is not clear how the diseased cow was infected The first case of BSE in Poland was found in the southern mountainous area nowy sacz in May this year, and the following two cases, like the fourth, occurred in the eastern region Investigators believe the cases were caused by livestock being fed a diet containing meat and bone meal, which was infected by a deadly virus (author:) share to feed Weibo share to: