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qing tang yao yu fang yu bing
Author(s): ZHOU Yuying
Pages: 63-
64
Year: 2013
Issue:
4
Journal: Fishery Guide to be Rich
Abstract: <正>鱼体越冬期间往往会带有一定的细菌或寄生虫,当春季水温升高后,竖鳞病、寄生虫病就容易暴发,并严重影响存活个体后期的生长。因此,冬春清塘放养时必须重视塘鱼的病害防治,以达到事半功倍的效果。在冬春清塘时,对于老鱼塘或淤泥较多的鱼塘,清塘时挖出过多的淤泥,用生石灰或漂白粉进行清塘消毒。按常规用量全池泼洒池塘消毒剂(如溴氯灵),
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