论文部分内容阅读
一般在“寒露”前后,池塘水温逐渐下降到16℃左右时,红罗非鱼就不能适应了,因此,在我国大部分地区10月中旬第一次寒潮来临之前,就应将亲鱼或鱼种捕起进行越冬管理工作。一、越冬前的准备1.修建越冬池越冬池宜建于背风、向阳、水质较好、水源、电源都比较方便的地方
Generally, before and after “cold dew”, red water tilapia can not be adapted when the water temperature in the pond gradually drops to around 16 ° C. Therefore, before the first cold wave comes in most parts of China in mid-October, broodstock or fish species Catching up for winter management. First, the preparation before winter 1. Overwintering the pool to build winter pool should be built in the lee, sunny, good water quality, water, power are more convenient place