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日本一家渔业公司制成了一种养殖比目鱼的新型设备。使用它饲养比目鱼,效益要比普通设备提高2倍左右。 这种养鱼新设备的主要特点是:饲养槽水位较浅,两端呈圆形,便于水流循环;槽内设置的喷水管向槽的四壁喷射水流,能进一步加快水的循环流动;循环水流能使鱼类排泄物和饲料残渣经槽底排水沟自行排除。由
A fishing company in Japan made a new type of equipment for the cultivation of flounder. Use it to raise flounder, the benefit than ordinary equipment to improve about 2 times. The main features of the new fish farming equipment are as follows: the feeding tank is shallow in water level and round at both ends, which facilitates the circulation of water; the sprinkler pipe provided in the tank spouts water on the four walls of the tank to further accelerate the circulation of water; Circulating water can make fish excrement and feed residue through the bottom drainage ditch self-exclusion. by