鲑鱼养殖和技术 – 1 级
23-10-2024 07:00
三文鱼养殖是一门大生意。但它也存在一些问题。
挪威和智利是最大的三文鱼生产国。鱼经常生病或死亡。小寄生虫攻击鱼类，使它们变得虚弱。要消灭寄生虫并不容易。一些养殖场，如挪威的诺洛克，使用化学品、淡水甚至激光来杀死寄生虫。
在智利，养殖场使用大量药物来保持鱼的健康。但这会对环境造成危害。现在，一些养殖场正在尝试一种新的养殖方式。他们用大水箱代替开放水域。这有助于使三文鱼养殖对环境更好。
您可以在三级部分观看原始视频。
挪威和智利的三文鱼养殖场正在使用什么方法来解决鱼类寄生虫和疾病问题，以及正在尝试什么新的养殖技术来改善三文鱼养殖对环境的影响？
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