(一)增氧机的作用用增氧机可以控制水质,增加水中的溶氧量,使鱼生长在适宜的水中,淡水鱼最适宜和生长的水温为20～28℃。温度升高,大气压力降低,溶氧量均下降;同时,在这个温度区间,鱼的活动量较大,新陈代谢旺盛,耗氧率也较高;此外,在这个温度区间,池水中的粪便、淤泥等有机质分 (A) the role of aerator Using aerator to control water quality, increase the amount of dissolved oxygen in the water, so that fish grow in the appropriate water, the optimum temperature for freshwater fish and growth of 20 ~ 28 ℃. At the same time, in this temperature range, fish activity is larger, the metabolism is exuberant, oxygen consumption rate is also higher; In addition, in this temperature range, the water in the stool, Silt and other organic matter points