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近几年来 ,乐都地区越冬池融冰后发生的鱼病呈上升趋势。自 1998— 2 0 0 1年观查结果表明 ,对鱼类春片鱼种造成危害较严重的鱼病灶部位归纳有两大类 ,即鲤鱼出血病和竖鳞病。这两种病的防治也各有不同。
In recent years, the prevalence of fish disease in the wintering ponds in Leduo is on the rise. From 1998 to 2001, the results of the survey showed that there are two major types of fish lesions that cause serious damage to the fish species, namely carp hemorrhage and ichthyosis. The prevention and treatment of these two diseases are also different.