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培育吃食性鱼苗鱼种,我国传统的喂养方法是投喂豆粉或豆浆,一日数次,定时全池洒喂。但朝鲜釜山水产大学鱼类养殖试验站发现,用含豆粉40%的饵料喂养鲤鱼苗种,鱼生长不快。经过营养含量分析,他们在豆粉饵料中添加2%的二价磷酸钠,鱼生长效果显著。初重73.3克的鲤鱼日生长率达1.619%,饵料系数1.431;初重26.7克的鲤鱼种,日生长率为1.589%,饵料系数1.558。
Nurturing edible fish fry species, China’s traditional feeding method is to feed soybean flour or soy milk, several times a day, regular pool sprinkling. However, Fisheries University Pusan Fisheries Aquaculture Test Station found that 40% of the diet containing the flour feeding carp seed, fish unhappy. After the analysis of nutritional content, they add 2% of the divalent sodium phosphate in the soy meal, the fish growth effect is remarkable. The carp with the initial weight of 73.3 grams had the growth rate of 1.619% and the food coefficient of 1.431. The carp with the initial weight of 26.7 grams had the daily growth rate of 1.589% and the food coefficient of 1.558.