金鱼在繁殖和生长过程中娇嫩虚弱,因此,应精心培育和饲养。1.亲鱼的选择选择体形端正、品种特征明显、体质健壮、色彩鲜艳、遗传性能稳定的2～4龄金鱼作亲鱼。2.产前准备产卵池面积1～2平方米,深30 ～40厘米,内壁光滑、平整,水深20厘米左右,或盆缸数个。鱼巢一般选用金鱼藻,叶密而较软,鱼卵易附着;也可以用蒸煮过的棕丝,扎把做鱼巢。从外塘捞出新鲜水草要用20毫克/千克高锰酸钾浸泡20分钟,杀灭附着小虫,然后置清水中备用。3.亲鱼配比和催产4～5月,水温升到16℃以上后亲鱼性腺趋于成 Goldfish delicate and weak in the breeding and growth process, therefore, should be carefully nurtured and raised. 1. The choice of broodstock Choose body shape, variety characteristics are obvious, robust physique, colorful, stable genetic performance of 2 to 4 years of goldfish broodstock. 2. Prenatal preparation Spawning pool area of ​​1 to 2 square meters, 30 to 40 cm deep, smooth, smooth, water depth of about 20 cm, or a few pots. Hens usually use algae algae, leaves dense and soft, easy to attach the fish eggs; also can be cooked brown silk, tie to do the nest. Remove the fresh water from the outer pond to 20 mg / kg of potassium permanganate soak for 20 minutes to kill attached worms, and then cleared of water for use. 3. Pro-fish ratio and oxytocin 4 to 5 months, the water temperature rose to above 16 ℃ gonads tend to become pro-fish