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冬天鱼塘里水少鱼多会怎么样

更新时间: 2020-09-27 00:00:00     

冬季水面结冰,隔绝了空气,如果鱼过多会造成缺氧死亡。而且冬季雨水少,易造成鱼塘水位降低,塘水浅、水温变化快、温差大,对鱼生长不利。

冬季养鱼注意事项:

1、防缺氧:有几种环境在冬季易发生缺氧死鱼:一是肥水鱼塘;二是深潭死水鱼塘;三是网箱养殖。应和夏秋季一样加强防范、遏制缺氧泛塘死鱼现象发生;

2、防冻害:寒冷的冬天常常使越冬的鱼种受到冻害,可设障避害,在鱼塘北边用木竹棍打桩围上编织袋或稻草秸秆,设置人工屏障来抵挡北风。

关键词: 冬天 鱼塘 怎么样

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