在每年的11月前后,因鱼种秋放和并池越冬,会空出一部分鱼种池,这些空出的鱼种池一般要到来年的4月下旬以后鱼苗发花时再利用,空闲期达5个月以上。利用这些冬春空闲的鱼种池蓄养商品成鱼,既可均衡鱼货市场供应,又能提高池塘利用率,增加经济收 Before and after November of each year, due to autumn stocking of fish species and pool overwintering, part of the fish species pool will be vacated. These vacated species ponds will generally be reused after the fry bloom in late April of the following year, Up to 5 months or more. The use of these winter and spring idle fish ponds stocked fish products, both the balance of fish market supply, but also improve the utilization of ponds and increase economic income