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一、亲鱼培育(一)池塘基本条件亲鱼池应建在背风向阳处,面积以1~3亩为宜,水深1.5米,池底要求平坦和肥沃,进排水方便。池水溶氧要求在4毫克/升以上,。池水pH 值以7~8为宜。或在6.5~8.5之间,每亩放养亲鱼100~150公斤。(二)春季强化培育春季水温上升时亲鱼池应施足基肥,每亩施有机肥250公斤,水质育肥后酌施少量追肥。每日应适量投喂颗粒饲料,或豆饼、菜饼、麦麸、豆渣等,棉籽饼不宜
First, the broodstock breeding (a) the basic conditions of the pond The broodstock pond should be built in the leeward sunny area of 1 to 3 acres is appropriate, the water depth of 1.5 meters, the bottom requirements of flat and fertile, easy access to drainage. Dissolved oxygen in the pond water requirement is above 4 mg / L. The pH value of the pond water should be 7-8. Or between 6.5 ~ 8.5, stocking broodstock per acre 100 ~ 150 kg. (B) to strengthen the cultivation of spring water temperature rise in spring when the progenitor pond foot-based fertilizer should be applied per acre of organic fertilizer 250 kg, water quality fertilizer after a small amount of top dressing. Should be appropriate daily feeding pellets, or bean cake, vegetable cake, wheat bran, bean dregs, cottonseed cake should not