粗略看来,投饵工作似乎很简单,实际上其要求是很严格的。食欲的变化对人或对动物都是判断其是否健康的一个标志。通过投饵和对摄食状态的了解,往往能知道鱼是否生活正常。鱼生活于水中,养鱼以群体饲养为前提。对每一个体分别进行管理至少在目前阶段是不可能的。而且,鱼的生长、生理状况受到饲养环境的影响极大,而控制环境却需要花很多的劳力与资金。因此,在一 Roughly speaking, the bait job seems very simple, in fact, its requirements are very strict. Changes in appetite as a sign of whether or not it is healthy for humans or animals. By feeding and knowing the state of ingestion, it is often possible to know whether the fish are living normally. Fish living in the water, fish feeding to the premise of group. Managing each individual separately is not possible at least at this stage. Moreover, the growth and physiological status of fish are greatly affected by the environment in which they are kept. Controlling the environment requires much labor and money. So at one