完かん全ぜん養よう殖しょく

noun

recirculating aquaculture; closed-cycle fish farming

Technical term in agriculture for a system where water is reused and waste is treated, allowing fish to be raised in a controlled, closed environment.

• 完かん全ぜん養よう殖しょくシステムでは、水みずを循じゅん環かんさせて魚さかなを育そだてる。

  In a recirculating aquaculture system, fish are raised by circulating the water.

• この研けん究きゅう所じょはマグロの完かん全ぜん養よう殖しょくに成せい功こうした。

  This research institute succeeded in the closed-cycle farming of tuna.