一、给鱼播放音乐加快生长。日本渔业专家通过试验证实，每次投喂饲料时，即将扬声器打开，播放各种音乐，众鱼会闻声赶来会餐。采用这种方法，不仅可提高饲料利用率，还能加快鱼的生长，提高鱼产量。 二、变换水温加快鱼苗生长。莫斯科农业大学试验养殖场采用变换水温的方法， First, give the fish to play music to speed up growth. Japanese fishery experts confirmed through experiments that each time the feed is fed, the loudspeaker is turned on and various music is played, and all the fish will come and eat. Using this method, not only can improve feed utilization, but also accelerate the growth of fish, increase fish production. Second, change the water temperature to speed up fry growth. Moscow Agricultural University experimental farms to change the water temperature method,