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我国西北地区冬季气温偏低,池塘封冻与甲鱼冬眠期较长,人工养殖甲鱼在每年越冬期间均出现体质衰弱及大量死亡现象,笔者分析养殖甲鱼越冬死亡的原因,并总结预防措施如下,以供同行借鉴。 一、甲鱼越冬死亡原因分析 1.水质原因 一方面,池塘封冻时间过长,水体与空气接触
In winter, the temperatures in the northwest of China are low, the ponds are frozen and the turtle hibernation period is longer. The artificial breeding turtles show the phenomena of frailty and death during the wintering period each year. The author analyzes the causes of overwintering death of turtles and summarizes the precautionary measures as follows Peer reference. First, the reasons for the death of turtle overwintering 1. Water quality reasons, on the one hand, the pond freezing time is too long, contact with air and water