天气预报 > 其他 > 冬天可以放鱼苗入塘养吗
冬天可以放鱼苗入塘养吗
更新时间: 2020-09-27 00:00:00  

冬天放鱼苗成活率低。水温在8至10摄氏度左右是放养鱼苗的最佳时机,业界有“腊水放养,鱼苗猛长”的说法。此刻水质安稳,鱼体健壮,在捕捉和运送途中鱼体不易受伤,死亡率和发病率低。鱼苗及早得到稀养,提前适应环境,早开食增重快。放养时,宜选在晴天正午进行,温度过低的霜天和雨雪天不宜放养,要避免冻伤鱼体。“春放鱼苗鱼发瘟,冬放鱼苗长三分”。

关键词: 冬天 可以 鱼苗

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