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本月,家鱼人工繁殖工作接近尾声,不要忽视亲鱼的产后培育。产后亲鱼池要保证池水清新,饵料新鲜营养,投饵、施肥次多量少,使亲鱼体质迅速得到恢复。鱼苗池要加强管理,分期注水,调节水质,池水由开始的50—60cm加至出塘前的1.2—1.5m为好。坚持巡塘,视水色肥瘦,以决定投饵,施肥和冲水的时间和数量;观察鱼的活动和生长情况,发现病害及时治疗和消除。夏花鱼种分塘前要进行拉网锻炼,一般密集锻炼1—2次,以增强鱼种体质,减少在分塘或运输中的死
This month, the domestic fish artificial breeding work is coming to an end, do not ignore the broodstock after childbirth. Postpartum broodstock ponds to ensure fresh water, fresh nutrition feed, feeding, fertilizing a small number of times, the broodstock quickly restored body constitution. Fish ponds to strengthen management, water injection, adjust the water quality, water from the beginning of 50-60cm added to the pond before the 1.2-1.5m as well. Adhere to Xuntang, depending on the color of fat, in order to decide the time and amount of feeding, fertilization and flushing; observation of fish activity and growth, and found that disease treatment and elimination in time. Summer fish species pond before the network to pull the net exercise, generally intensive exercise 1-2 times to enhance the species of fish species, reduce the dead in the pond or transport