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1.换水与调节水质:经过一个较长的越冬期后,鱼池水质老化,不利于鱼类的生长发育,应及时换入新水,一般将池水换去1/3~1/2即可,并要注意保持较低水位,以利于水温上升;以后随水温的升高,逐渐加深水位。
1. Change the water and adjust the water quality: After a long wintering period, fish pond water quality is aging, is not conducive to the growth of fish, should be promptly changed into new water, the general pool water to 1/3 ~ 1/2 can , And should pay attention to maintaining a low water level in order to facilitate the water temperature rise; later with the water temperature, and gradually deepen the water level.