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一、亲鱼培育１．亲鱼的越冬培育冬季当水温在２０℃以上时，亲鱼能正常摄食，必须投放饲料，日投饲量为鱼体重的２％～３％。饲料以蛋白质３０％左右的人工颗粒饲料为主，每隔２～３天还喂谷芽和青菜各１次（约占鱼体重的１％左右）。当水温降至１８～２０℃时投喂量可减少到
First, broodstock breeding 1. Broodstock breeding broodstock winter When the water temperature above 20 ℃, the broodstock can normal feeding, must feed, daily feeding amount of fish body weight of 2% to 3%. Feed to 30% of the protein artificial pellets based, every 2 to 3 days also fed Guya and vegetables each one (about 1% of the body weight of fish). When the water temperature dropped to 18 ~ 20 ℃ when feeding can be reduced to