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目前“家鱼”人工繁殖过程中影响孵化、出苗率的因素较多,我们经过多年的探讨总结,现将各因素分析如下:1亲鱼培育 培育应从产后入手,由于产后亲鱼体弱,应配备充足的水源;根据不同亲鱼,设置不同配方,配制适口的全价饲料,以精料为主,青料为辅,来补充能量,尽快恢复体质;冬季来临之前,强化培育,大水大肥,使亲鱼能够抵抗冬天体能的消耗;春天,随着水温的提高,逐步调整饲料结构,以青料为主,精料为辅,注意水体消毒,预防疾病,经常冲注新水,刺激性腺发育,使冬季储备的脂肪尽快转化为性腺。
At present, there are many factors that affect the rate of hatching and emergence in artificial propagation of “home fish”. After many years of discussion, we have summarized the following factors: 1. The broodiness should be started after childbirth. Equipped with adequate water; according to different broodstock, set up different formulations, preparation of palatability full price feed, mainly concentrate, green material supplemented to supplement the energy as soon as possible to restore physical; before the onset of winter, intensive cultivation, large water and fertilizer , So that the broodstock can resist the consumption of physical fitness in winter; in spring, as the water temperature increases, the feed structure is gradually adjusted to green materials, supplemented by fine materials, water disinfection, disease prevention, often red water injection to stimulate gonadal development , So that winter reserves of fat into gonads as soon as possible.