科罗拉多州公园和野生动物管理局对伊格尔县虹鳟鱼身上的神秘疮疡进行了调查，怀疑是压力和细菌感染所致。 Colorado Parks and Wildlife investigates mysterious sores on rainbow trout in Eagle County, suspecting stress and bacterial infections.

科罗拉多州公园和野生动物管理局对伊格尔县虹鳟鱼身上的神秘疮疡进行了调查，怀疑是压力和细菌感染所致。 Colorado Parks and Wildlife investigates mysterious sores on rainbow trout in Eagle County, suspected to be caused by stress and bacterial infections. 交配后虹鳟鱼的免疫系统减弱可能是造成这一问题的原因之一，因为城市化会导致径流受到影响，从而引发更多的细菌感染。 The weakened immune systems of rainbow trout after mating may contribute to the issue, as urbanization leads to more bacterial infections due to affected runoff. 夏季可能会实施禁渔令，以促进虹鳟鱼种群恢复。 Fishing closures may be implemented during summer to allow for rainbow trout population recovery.