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鱼苗怎么养
更新时间: 2021-05-23 06:39:58  

1、鱼苗孵出后2~3天,鱼的消化系统已初步发育完全,每天投喂2次,投喂量以1小时内吃完为宜;

2、第1次脱水约在孵化后10天至半个月后进行,以后每隔半月进行1次。

3、经过3次脱水的鱼苗,全长已达2厘米左右,应进行换水;

4、在鱼苗的生长过程中,应根据各种养殖鱼的特点,不断地择优去劣,以保证培育出优良品种。

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