The second set of dead swans was discovered about 15 kilometres nine miles away at nasice on monday . croatian health authorities said the dead nasice birds would not be sent to britain for further examination because they believed the swans were from the same flock 克罗地亚第二批死亡的天鹅并没有被送往英国进行进一步的检测，因为有关人员确信这些天鹅和第一批死亡的天鹅属于同一个群体。
