加拿大和挪威科学家都已经发现，来自渔场的海虱和其他寄生虫能感染经过的红鲑，导致红鲑的生存机率下降。

Studies by local and Norwegian scientists have found that sea lice and other parasites from the fish farms can infect the passing sockeye, reducing their chance of survival.

youdao

加拿大和挪威科学家都已经发现，来自渔场的海虱和其他寄生虫能感染经过的红鲑，导致红鲑的生存机率下降。

Studies by local and Norwegian scientists have found that sea lice and other parasites from the fish farms can infect the passing sockeye, reducing their chance of survival.

youdao