越冬鱼塘春季管理措施

Shandong Fisheries(2017)

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Abstract
无论鱼种还是成鱼越冬池塘,经过漫长的越冬季节,鱼的体质均有所降低.池塘冰层厚度一般在50cm左右,春季冰全部化开后,不仅使池塘水温有所变化,也将使池塘水深增加三分之一左右,引起水质的变化,而水温及水质的变化,易导致鱼类产生应激反应,加之越冬的鱼类本身体质下降,容易导致鱼类患病或加重疾病,体质过差者可发生死亡现象.
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