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鱼种是获得养鱼优质高产高效的关键。为使鱼种长得膘肥体壮,安全越冬必须强化鱼种秋季培育。一、加强水质调节 培育鱼种的池塘,经过几个月的饲养,水质逐渐老化,要加强水质调节,以改善水体环境。调节方法:一是换注新水。即将原池塘水放出1/3—1/2,再加注新水。初秋时7天换水一次,秋分前后10天
Fish species is the key to high quality, high yield and high efficiency of fish farming. In order to grow fish grow fat and strong, safe winter must strengthen the cultivation of fingerlings in autumn. First, to strengthen water quality regulation Breeding fish ponds, after several months of feeding, water quality gradually aging, to strengthen water quality regulation, in order to improve the water environment. Adjustment method: First, change the new water injection. Will release the original pond water 1 / 3-1 / 2, then add new water. Change the water once in autumn 7 days, before and after the autumn equinox 10 days