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怎样提高金鱼的人工授精孵化率和成活率直接关系到养殖的效益,笔者根据自己的经验总结了以下四点注意事项: 1 亲鱼的选择:选拔体质健壮,特征明显,成熟度好的金鱼作亲鱼,一般情况下2～4龄鱼成熟最好。 2 鱼具的消毒:孵化缸,鱼巢、捞海在使用前全部用10×10~(-6)高锰酸钾浸泡消毒。 3 人工授精:挑选出成熟的亲鱼按雌雄分别放在两个盆中,以方便取放。挤卵和精液间隔时间不能超过2min,可两人同时操作,以缩短
How to improve the artificial insemination of goldfish hatching rate and survival rate is directly related to the benefits of farming, the author based on their own experience summed up the following four points to note: 1 broodstock choice: selection of strong physique, characteristics, maturity, good goldfish broodstock , Under normal circumstances 2 to 4 years old fish best. 2 fish disinfection: hatching tanks, fish nests, fishing sea before use all with 10 × 10 ~ (-6) potassium permanganate disinfection. 3 artificial insemination: the selection of mature broodstock by male and female were placed in two pots for easy access. The time between squeezing eggs and semen can not exceed 2min, but two people can operate simultaneously to shorten the time